HP Color LaserJet 9500 Service Manual
HP Color LaserJet 9500 Manual
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HP Color LaserJet 9500 manual content summary:
- HP Color LaserJet 9500 | Service Manual - Page 1
service hp color LaserJet 9500n hp color LaserJet 9500hdn - HP Color LaserJet 9500 | Service Manual - Page 2
- HP Color LaserJet 9500 | Service Manual - Page 3
hp color LaserJet 9500 series printer service - HP Color LaserJet 9500 | Service Manual - Page 4
are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein. Part number: C8546-90956 Edition 1, 9/2003 - HP Color LaserJet 9500 | Service Manual - Page 5
care reseller sales and service support center 48 Ordering related documentation and software 49 Warranty 50 Limited warranty for print cartridge and image drum life 50 Transfer unit and fuser warranty 50 HP maintenance agreements 50 Onsite service agreements 51 3 Product configuration - HP Color LaserJet 9500 | Service Manual - Page 6
86 NVRAM initialization 87 Cold reset 89 4 Product maintenance Preventative maintenance 92 Image transfer kit 92 Image cleaning kit 92 Image fuser kit 92 Cleaning the printer and accessories 93 General cleaning 93 Cleaning spilled toner 93 Vacuum specifications 93 First aid measures - HP Color LaserJet 9500 | Service Manual - Page 7
cable/connector damage areas 186 Potential damage areas while servicing 186 Consumables 187 Toner cartridges (print cartridges 187 Process cartridges (image drums 189 Waste toner bottle (toner collection bottle 191 Transfer cleaner (cleaning blade 192 Transfer roller 193 External covers 194 - HP Color LaserJet 9500 | Service Manual - Page 8
252 Secondary transfer assembly (T2 253 Pickup unit 258 Temperature and humidity sensor 266 High-voltage power supply 267 Low-voltage power supply 268 Registration assembly 269 Delivery fan 276 Fuser fan 277 P-crg (image drum) drive assembly 278 T-crg (print cartridge) drive assembly 282 - HP Color LaserJet 9500 | Service Manual - Page 9
cartridge drive assembly (image drum drive 473 Toner cartridge drive assembly (print cartridge drive 474 Fuser drive assembly 476 Cassette assembly 478 Paper pickup assembly (1 of 3 480 Paper pickup assembly (2 of 3 482 Paper pickup assembly (3 of 3 484 Manual feed pickup assembly (tray - HP Color LaserJet 9500 | Service Manual - Page 10
8 ENWW - HP Color LaserJet 9500 | Service Manual - Page 11
HP color LaserJet 9500 series printer functions . PCL submenu Service menu 79 Table 37. Maximum custom sizes 84 Table 38. Minimum custom sizes 84 Table 39. Update messages 105 Table 40. Troubleshooting a firmware update 105 Table 41. Troubleshooting a firmware update failure 105 Table 42. Printer - HP Color LaserJet 9500 | Service Manual - Page 12
374 Table 75. General jam troubleshooting 381 Table 76. Alphabetical error messages 389 Table 77. Numerical error messages 400 Table 78. DIP switch settings 438 Table 79. Tray 4 light pattern interpretation 440 Table 80. Term decoder 444 Table 81. Kits and supplies 445 Table 82. Accessories - HP Color LaserJet 9500 | Service Manual - Page 13
(2 of 2 494 Table 111. Delivery feed assembly 495 Table 112. Face down delivery feed assembly 496 Table 113. Delivery cover assembly 497 Table 114. Fuser assembly 498 Table 115. PCB assemblies 499 Table 116. Tray 4 main body (1 of 2 501 Table 117. Tray 4 main body (2 of 2 503 Table 118. Tray - HP Color LaserJet 9500 | Service Manual - Page 14
12 List of tables ENWW - HP Color LaserJet 9500 | Service Manual - Page 15
26 Figure 5. HP color LaserJet 9500n printer dimensions (top and front views 28 Figure 6. HP color LaserJet 9500hdn printer dimensions (top . T driver circuit 135 Figure 32. Fuser control circuit 136 Figure 33. Low-voltage power supply circuit 137 Figure 34. High-voltage power supply circuit 138 - HP Color LaserJet 9500 | Service Manual - Page 16
cleaning toner not charged by brushes (step 12 165 Figure 59. Image density detection control 167 Figure 60. Paper-path system motors, clutches, and solenoids 169 Figure 61. Paper-path system switches, sensors fuser 204 Figure 99. Release the fuser door pistons 204 Figure 100. Remove the fuser - HP Color LaserJet 9500 | Service Manual - Page 17
step 2 images 228 Figure 133 fuser 245 Figure 159. Release the ITB 246 Figure 160. Open the ITB door 246 Figure 161. Slide the ITB out of the printer 247 Figure 162. Remove the ITB 247 Figure 163. Remove the right front cover 248 Figure 164. Remove the density and registration sensor - HP Color LaserJet 9500 | Service Manual - Page 18
sensor 266 Figure 197. Remove the high-voltage power supply 267 Figure 198. Disconnect the low-voltage power supply 268 Figure 199. Remove the low-voltage power supply 214. Remove the delivery fan 276 Figure 215. Remove the fuser fan 277 Figure 216. Disconnect the P-crg drive assembly connectors - HP Color LaserJet 9500 | Service Manual - Page 19
the fuser front paper sensor 300 Figure 250. Remove the fuser sensor PCA mounting screws 301 Figure 251. Disconnect the fuser sensor PCA 301 Figure 252. Engine test button 321 Figure 253. Engine test print page 322 Figure 254. Sample configuration page 324 Figure 255. Sample supplies status - HP Color LaserJet 9500 | Service Manual - Page 20
drive assembly (image drum drive 473 Figure 303. Toner cartridge drive assembly (print cartridge drive 474 Figure 304. Fuser drive assembly 476 pickup assembly (3 of 3 484 Figure 309. Manual feed pickup assembly (tray 1) (1 of 2 486 Figure 310. Manual feed pickup assembly (tray 1) (2 of 2 - HP Color LaserJet 9500 | Service Manual - Page 21
overview 25 External assembly locations 25 Accessories 26 Space requirements 27 Printer with packaging 27 Printer physical dimensions 28 Setup 30 Media specifications 31 Guidelines for selecting media 31 Supported media and capacity for input and output 32 Recommended media 33 Special - HP Color LaserJet 9500 | Service Manual - Page 22
tab print cartridges z Four image drums z PostScript® (PS) Level 3 emulation with 35 built-in PS language fonts z HP printer command language (PCL) 6 driver z HP PCL 5c driver for compatibility with previous products z Printer job language (PJL) z Printer management language z 80 scalable TrueTypeTM - HP Color LaserJet 9500 | Service Manual - Page 23
HP color LaserJet 9500 series printer (continued) Expandability z HP color LaserJet 9500 duplexer (standard in the 9500hdn model) z 3,000-sheet stapler/stacker (for the 9500hdn model only) z 3,000-sheet stacker (for the 9500hdn on the 9500hdn model) Wireless printing z Supports wireless printing - HP Color LaserJet 9500 | Service Manual - Page 24
production number of the printer. An example of a image drums Weight with print cartridges and 174 kg (383 lb) image drums in packaging Table 3. Packaged specifications Specification HP color LaserJet 9500n Height 1,313 mm (51.7 inches) Width 1,200 mm (47.2 inches) HP color LaserJet 9500hdn - HP Color LaserJet 9500 | Service Manual - Page 25
void the product warranty. Table 5. Power consumption Printer state Printing (24 ppm) Standby (Ready) Low PowerSave (ENERGY STAR®) High PowerSave (Blue Angel) Off HP color LaserJet 9500n 722 W 171 W 69 W 32 W - HP Color LaserJet 9500 | Service Manual - Page 26
Note Table 6. Environmental specifications Allowable condition Operating temperature 10° to 30° Celsius (C) (50° to 86° Fahrenheit [F]) Relative humidity 10 to 80 percent Storage temperature 15° to 30° C (59° to 86° F) Storage humidity 5 percent to 95 percent Table 7. Noise level - HP Color LaserJet 9500 | Service Manual - Page 27
-cord connector Left side access door Three EIO slots Figure 3. Accessory power connector HP Jetdirect print server RJ-45 connector Back and left side assembly locations HP Jet-Link connector HP Fast InfraRed (FIR) connector Foreign interface harness (FIH) Parallel cable connector ENWW Chapter - HP Color LaserJet 9500 | Service Manual - Page 28
Accessories 3,000-sheet stapler/stacker (C8085A) or 3,000-sheet stacker (C8084A) Multifunction finisher (C8088A) Figure 4. Duplexer (C9674A) Accessories HP Fast InfraRed receiver (FIR) (C4103A) 26 Chapter 1 Product information ENWW - HP Color LaserJet 9500 | Service Manual - Page 29
box that contains the HP color LaserJet 9500 series printer is 1,200 mm (47.2 inches) wide and 1,022 mm (40.2 inches) deep. The shipping box that contains the HP color LaserJet 9500n is 1,313 mm (51.7 inches) high, and the shipping box that contains the HP color LaserJet 9500hdn is 1,488 mm (58 - HP Color LaserJet 9500 | Service Manual - Page 30
Printer physical dimensions 358 mm 465 mm (14.1 inches) 682 mm (26.9 inches) (18.3 inches) 455 mm 767 mm (30.2 inches) (17.9 inches) 887 mm (34.9 inches) Figure 5. HP color LaserJet 9500n printer dimensions (top and front views) 28 Chapter 1 Product information ENWW - HP Color LaserJet 9500 | Service Manual - Page 31
358 mm 465 mm (14.1 inches) 682 mm (26.9 inches) (18.3 inches) 455 mm 767 mm (30.2 inches) (17.9 inches) 1,212 mm (47.8 inches) Figure 6. HP color LaserJet 9500hdn printer dimensions (top and front views) ENWW Chapter 1 Product information 29 - HP Color LaserJet 9500 | Service Manual - Page 32
(for the 9500hdn only). See the install guide that came with the finishing device. The shipping box contains the following items: z HP color LaserJet 9500 series printer z One power cord z Control panel overlay z Consumables box • Four print cartridges • Four image drums • One image cleaning blade - HP Color LaserJet 9500 | Service Manual - Page 33
service manual and in the HP color LaserJet 9500 User Reference Guide HP specifications might cause problems for the printer, requiring repair. Such repair is not covered by the Hewlett-Packard warranty or service agreements. The HP color LaserJet 9500 series printers in the printer driver results in - HP Color LaserJet 9500 | Service Manual - Page 34
mm (5.8 z 182 by 210 mm (7.2 8.3 inches) by 8.3 inches) by 8.3 inches) Table 11. Supported media weights Printing task Simplex and manual duplex Auto duplex Tray 1 z 64 to 220 g/m2 (17- to 58-lb bond) z 64 to Damage to the printer and jams might result. 32 Chapter 1 Product information ENWW - HP Color LaserJet 9500 | Service Manual - Page 35
Paper is designed specifically for use with the HP color LaserJet 9500 series printers. Characteristics 120 g/m2 (32-lb bond), 200 sheets, high-gloss finish coating on both sides, 95 bright Use for: brochures, catalogs, business plans, photographs, and images 200 g/m2 (75-lb cover), 100 sheets - HP Color LaserJet 9500 | Service Manual - Page 36
(Q1298A) A4 (Q1298B) TOUGH PAPER Use for: training manuals and general office printing 5 mil thick (approximately 44-lb bond equivalent), 50 sheets, satin finish coating on both sides, waterproof, tearproof HP Color LaserJet Transparencies letter (C2934A) A4 (C2936A) StoraEnso Futura Laser Cover - HP Color LaserJet 9500 | Service Manual - Page 37
GLOSSY 75-105 g/m HEAVY 106-163 g/m HP HEAVY GLOSSY (if using HP-brand media) NON HP HEAVY GLOSSY (if using non-HP-brand media) CARDSTOCK>164 g/m Special media should be compatible with the heat and pressure produced by the printer. Figure 7. Sample seams ENWW Chapter 1 Product information 35 - HP Color LaserJet 9500 | Service Manual - Page 38
When selecting labels, consider the quality of each component: z Adhesives: The adhesive material should be stable at 200° C (392° F), which is the printer fusing temperature. z Arrangement: Do not use labels that have exposed backing between them. Labels can peel off sheets with spaces between the - HP Color LaserJet 9500 | Service Manual - Page 39
panel when you load the tray, and in the printer driver when you print your print job. Transparency specifications To avoid damaging the printer, use only transparencies that are recommended for use in color laser printers. z Construction: Prior to printing, transparencies should lie flat with - HP Color LaserJet 9500 | Service Manual - Page 40
the paper, but can cause problems in the fuser and transfer areas of HP LaserJet printers. The surface resistivity and moisture content can be greatly altered, resulting in print-quality problems. Hard surface coatings increase wear on the rollers and media guides. All chemically treated media must - HP Color LaserJet 9500 | Service Manual - Page 41
minimum and maximum supported sizes on page 32. z Carbonless media. Carbonless media (NCR) is not supported by HP LaserJet printers. z Recycled with respect to the specifications listed in this manual, and the HP LaserJet Printer Family Print Media Guide. See "Media assessment tools and suppliers" - HP Color LaserJet 9500 | Service Manual - Page 42
Example Basis weight field test The basis weight should be indicated on the package label. If the label is not available, a simple field test can determine the basis weight of paper. The basis weight of paper is equal to the weight of 2,000 sheets of paper, or about four full packages. Weigh a full - HP Color LaserJet 9500 | Service Manual - Page 43
Note Table 17. Paper weight equivalence (continued) U.S. postcard thickness (mm) 0.23 U.S. bond weight (lb) U.S. text/ book weight (lb) U.S. cover weight (lb) U.S. bristol U.S. index weight (lb) weight (lb) U.S. tag weight (lb) Europe metric weight (g/m2) 47 119 65 80 97 108 176 53 - HP Color LaserJet 9500 | Service Manual - Page 44
, it is recommended that users do not continually use this paper in the printer. Moisture content field test Specification: Use paper with 4 percent to 6 percent to determine if excess moisture or dryness is the cause of a problem with paper. Grain field test Grain direction is usually specified on - HP Color LaserJet 9500 | Service Manual - Page 45
the rollers for colored ink buildup from preprinted logos or letterhead, and for toner buildup or spots. Inspect printed output for repetitive defects and smearing. If necessary, have users contact the forms vendor to ensure paper fusing compatibility with HP LaserJet printers. ENWW Chapter - HP Color LaserJet 9500 | Service Manual - Page 46
. Products are subject to change, and HP has no control over such changes. However /humidity meter #3T331 Industrial Motor Service 2000 Albright Montgomery, IL 60538 Wood pulp test kit 4280-2 Shape Products 1127 57th Avenue Oakland, CA 94621 (800) 444-0015 pH test kit 4360-2 Shape Products - HP Color LaserJet 9500 | Service Manual - Page 47
sales and service support center 48 Ordering related documentation and software 49 Warranty 50 Limited warranty for print cartridge and image drum life 50 Transfer unit and fuser warranty 50 HP maintenance agreements 50 Onsite service agreements 51 ENWW Chapter 2 Service approach 45 - HP Color LaserJet 9500 | Service Manual - Page 48
Service approach The HP color LaserJet 9500 is designed to be diagnosed over the phone, and repaired in the field. Repair of the printer normally begins with a three-step process: 1 Isolate the problem to the major system (the host computer, the network or server, or the printer). 2 Isolate the - HP Color LaserJet 9500 | Service Manual - Page 49
can be ordered through Parts Direct Ordering. Supplies Media and print cartridges can be ordered directly from Hewlett-Packard. See chapter 8 for ordering information. World Wide Web Printer drivers, updated HP printer software, and product and support information can be obtained from one of the - HP Color LaserJet 9500 | Service Manual - Page 50
sales and service support center The Customer Care Reseller Sales and Support Center is available to assist resellers and service technicians. To reach this support center, call (1) (800) 544-9976. HP authorized resellers and support To locate authorized HP resellers and support, call (1) (800 - HP Color LaserJet 9500 | Service Manual - Page 51
Part number HP LaserJet Family Print Media Guide 5963-7863 HP JetDirect Print Server Administrator's Guide 5971-3257 PCL/PJL Technical Reference Package 5021-0377 End user documentation is available electronically at http://www.hp.com/support/lj9500 ENWW Chapter 2 Service approach 49 - HP Color LaserJet 9500 | Service Manual - Page 52
and requirements, see the HP color LaserJet 9500 Use Guide. Limited warranty for print cartridge and image drum life This HP product is warranted to be free from defects in materials and workmanship during its useful life (end of life is indicated by a printer control panel low-life message - HP Color LaserJet 9500 | Service Manual - Page 53
to your site for calls made during normal HP business hours. Next-day onsite service This agreement provides support by the next working day following a service request. Extended coverage hours and extended travel beyond HP's designated service zones are available on most onsite agreements (for - HP Color LaserJet 9500 | Service Manual - Page 54
52 Chapter 2 Service approach ENWW - HP Color LaserJet 9500 | Service Manual - Page 55
64 System Setup submenu 69 Output Setup submenu 71 I/O submenu 71 Resets submenu 74 Diagnostics menu 75 Service menu 79 Service ID 79 Restoring the Service ID 80 Converting the Service ID to an actual date 80 Settings and defaults 81 Configure the control panel display language 81 - HP Color LaserJet 9500 | Service Manual - Page 56
that shows up to four lines of text, supplies-status indicators, and printer animations. PAUSE/RESUME button Graphical display BACK button UP . Control panel features, and key functions Feature or key (Select) (Back) (Up) (Down) (CLEAR) (HELP) CANCEL JOB Function z Opens the main menu. z - HP Color LaserJet 9500 | Service Manual - Page 57
Table 20. Control panel features, and key functions (continued) Feature or key Function PAUSE/RESUME Numeric keypad z Returns the printer to the ready state (or to printing) from the menus or the online help. z Toggles between PAUSE and RESUME. z Can be used to type numeric - HP Color LaserJet 9500 | Service Manual - Page 58
functions are activated. All menus and their associated items are available when the printer is error or one of the following items: z READY, if the printer is online. z OFFLINE, if the printer of these values can be overridden from the print driver or a user software program. The content of the - HP Color LaserJet 9500 | Service Manual - Page 59
private, stored, quick copy, or proof and hold jobs are on the printer hard disk or in RAM memory, the message NO STORED JOBS appears when a PIN must be provided. If you select PRINT, the printer prompts you to specify the number of copies to print (1 to 32,000) ENWW 3 Product configuration 57 - HP Color LaserJet 9500 | Service Manual - Page 60
FONT LIST Generates a typeface list of all PCL fonts available on the printer. The printer returns to the online READY state when the page is completed. PRINT PS FONT LIST Generates a typeface list of all PS fonts available on the printer. The printer returns to the online READY state when the - HP Color LaserJet 9500 | Service Manual - Page 61
prints on any supported size of media HP HEAVY GLOSSY TOUGH PAPER ENVELOPE Use this item to specify the type of media in each tray. TRAY - HP Color LaserJet 9500 | Service Manual - Page 62
Table 23. Paper handling menu default settings (continued) Item Values Explanation TRAY CUSTOM UNIT OF MEASURE X DIMENSION Y DIMENSION This message appears when the custom switch is in the CUSTOM position and you select CUSTOM from the list of media sizes. The values listed are available - HP Color LaserJet 9500 | Service Manual - Page 63
The configure device menu contains all of the administrative functions. Printing submenu Some items in this menu are available in a software program or the printer driver (if the appropriate printer driver is installed). Printer driver and software program settings override control panel settings - HP Color LaserJet 9500 | Service Manual - Page 64
OVERRIDE A4/ YES LETTER=NO NO MANUAL FEED=OFF OFF ON COURIER FONT=REGULAR REGULAR DARK WIDE A4=NO YES NO PRINT PS ON ERRORS=OFF OFF PCL Note It is best to set the duplex option in the printer driver or software program. (Printer driver and software settings override control panel - HP Color LaserJet 9500 | Service Manual - Page 65
Note PCL submenu Gain access to this submenu through the Printing submenu. Some items in this menu can be opened in a software program, or in the printer driver (if the appropriate printer driver is installed). Printer driver and software settings override control panel settings. If no private, - HP Color LaserJet 9500 | Service Manual - Page 66
X options to adjust the image alignment using values between -20 and +20. PLAIN PREPRINTED LETTERHEAD TRANSPARENCY PREPUNCHED LABELS BOND RECYCLED COLOR LIGHT164 g/m2 GLOSSY 75-105 g/m2 HP HEAVY GLOSSY NON HP HVY GLOSSY - HP Color LaserJet 9500 | Service Manual - Page 67
DOWN 2 settings first. This might result in a darker image. If it does not, some medias require that the better transfer; exceptionally rough media can show problems that will not be addressed by these from the start and the stop of a strip of color), turn this item ON. Otherwise, leave this item - HP Color LaserJet 9500 | Service Manual - Page 68
increase. CALIBRATE NOW Select CALIBRATE NOW to start a printer calibration (D-max, Dhalf, and CPR calibrations are performed). PROCESS CLEANING PAGE Use this item to print a single blank page that might help clean the fuser rollers after a fuser-related jam. 66 3 Product configuration ENWW - HP Color LaserJet 9500 | Service Manual - Page 69
to 74 g/m². Use for light media. z Optimized for heavy media 106 to Use for heavy media. 163 g/m². z The printer engine operates at halfspeed to provide enough heat to correctly fuse the image because heavy media has more mass to heat. z Optimized for card stock heavier Use for cardstock. than 164 - HP Color LaserJet 9500 | Service Manual - Page 70
have z TONER MODE uses a lower density noticed toner scatter on your color table for high-resistivity media print jobs, associate the media to avoid notice changes in print print job, to keep the fuser hot. If the quality when using HP heavy fuser is not hot enough gloss can drop glossy media - HP Color LaserJet 9500 | Service Manual - Page 71
the printer function. Configure the printer according color mode to monochrome mode. AUTO maps to the default option (SPEED for the HP color LaserJet 9500), SPEED maps to LOOK AHEAD (the printer the MANUALLY FEED PROMPT options opens its own submenu: USE REQUESTED TRAY z EXCLUSIVELY. The printer - HP Color LaserJet 9500 | Service Manual - Page 72
If an error prevents printing, the message remains on the display, and the printer does not print until is pressed. SUPPLIES LOW= CONTINUE printer functions when sensors report a low-supply situation. CONTINUE: The printer continues to print while the SUPPLIES LOW message appears. STOP: The printer - HP Color LaserJet 9500 | Service Manual - Page 73
submenu Table 31. Parallel Input submenu Item and Values default setting HIGH SPEED=YES YES NO ADVANCED ON FUNCTIONS=ON OFF Explanation The printer accepts faster parallel communications that are used for connections with newer computers. Turn the bidirectional parallel communication on - HP Color LaserJet 9500 | Service Manual - Page 74
exists, the DHCP RELEASE and DHCP RENEW menus are available to set lease options. z MANUAL. Provides access to parameters that can be manually configured at the printer control panel. If selected, the MANUAL z SETTINGS menu is available to configure the parameters. Use the ENABLE submenu to select - HP Color LaserJet 9500 | Service Manual - Page 75
Table 32. EIO submenu (continued) Item Values LINK SPEED AUTO 10T HALF 10T FULL 100THALF 100TFULL SECURE WEB HTTPS REQUIRED HTTPS OPTIONAL RESET SECURITY NO YES Explanation (For 10/100Base-TX print servers only) Use this item to select the network link speed and communication mode for the 10 - HP Color LaserJet 9500 | Service Manual - Page 76
TIME menu item. The default value for POWERSAVE is ON. RESET SUPPLIES This item notifies the printer that a new supply kit is installed. Only supplies that the printer cannot detect as changed appear (new cleaning kit, new transfer kit, and new fuser kit). 74 3 Product configuration ENWW - HP Color LaserJet 9500 | Service Manual - Page 77
panel, and to show the 50 most recent events. printer errors. Use and to scroll through the event log contents. PQ TROUBLESHOOTING Prints a series of pages that are useful to identify print quality problems (follow the printed instructions). Use this item to print eight pages to help you - HP Color LaserJet 9500 | Service Manual - Page 78
individual parts independently to BELT ONLY help you isolate failures, noises, print quality problems, and IMAGE DRUM MOTORS other issues. The results of the test depend on your CARTRIDGE MOTORS observation of the printer during the test to determine the DEVELOPER MOTORS source of the - HP Color LaserJet 9500 | Service Manual - Page 79
problems and media The operator is prompted to handling faults by stopping the printer in the middle of a print enter a stop time value. cycle to observe the point in the process where the image third of ITB image cleaned z 12,500 ms: Page partially delivered to face-down tray COLOR BAND TEST - HP Color LaserJet 9500 | Service Manual - Page 80
and drive assemblies when the back of the printer is removed, and to isolate problems in the image drums or the image drum developer drive assemblies. YMCK LASERS Use this item to make sure that the four laser scanner assemblies are functioning correctly. FUSER MOTOR Use this item to test the - HP Color LaserJet 9500 | Service Manual - Page 81
page count number is zero for new printers. CLEANING KIT COUNT Set the total cleaning kit page count if the formatter is replaced. TRANSFER KIT COUNT Set the total transfer kit page count if the formatter is replaced. FUSER KIT COUNT Set the total fuser kit page count if the formatter is - HP Color LaserJet 9500 | Service Manual - Page 82
9 x 30 = 270. c Add 17 to 270: 270 + 17 = 287. Thus, DDD = 287. Converting the Service ID to an actual date You can use the printer's Service ID number to determine whether the printer is still under warranty. Convert the Service ID into the installation date as follows: 1 Add 1990 to YY to get the - HP Color LaserJet 9500 | Service Manual - Page 83
for each menu item. Configure the control panel display language You can set the printer to show messages and print configuration pages in another supported language. The following are supported languages: z Czech z Danish z Dutch z English z Finnish z French z German z Greek z Hungarian z Italian - HP Color LaserJet 9500 | Service Manual - Page 84
the input trays You can configure the HP color LaserJet 9500 series printer input trays by type and size. You guides are set to the same Standard marking. Otherwise, set the switch to Custom and use the instructions in the following section. Note If the media size is marked on the tray guide - HP Color LaserJet 9500 | Service Manual - Page 85
. The X dimension is the width of the page as it feeds into the printer. See table 36 and table 37 for maximum and minimum dimension measurements. 7 The tray 3, or tray 4 1 Open the tray. 2 Make sure that the media guides rest against the stack of media in the tray. 3 Set the custom/standard switch - HP Color LaserJet 9500 | Service Manual - Page 86
dimension is the length of the page as it feeds into the printer. See table 36 and table 37 for maximum and minimum dimension 17 inches) Table 38. Minimum custom sizes Tray 1 Tray 2 and tray 3 Tray 4 Simplex and manual duplex Auto duplex z 98 by 170 mm (3.9 by z 148 by 210 mm (5.8 z 182 by - HP Color LaserJet 9500 | Service Manual - Page 87
Note Printable area The HP color LaserJet 9500 limits the printable area to 4.23 mm (0.17 inch) +/- 2 mm (0.01 inch) from the edges of the media, and also limits the maximum image size to 297 mm by 460 mm (11.7 by 18.1 inches). Margins can be manipulated within a software program to print up to 2 - HP Color LaserJet 9500 | Service Manual - Page 88
until all three error lights illuminate steadily. 5 Press until INITIALIZE DISKS appears on the display panel. 6 Press . 7 The printer begins initializing the disk (this might take a moment). The control panel displays the HP event logo and eventually - HP Color LaserJet 9500 | Service Manual - Page 89
needed values in the service menu. Before initializing NVRAM, print a configuration page and a supplies status page to gather the following information: z total page count and color page count z transfer kit count z fuser kit count z serial number To initialize NVRAM 1 Turn the printer on and watch - HP Color LaserJet 9500 | Service Manual - Page 90
reset. Items that are saved include: z event/error log z model number z model name z printer name z printer serial number z formatter serial number z service ID (born-on date) z control panel language z default paper size z cold reset paper size z auto cleaning page size z total duplex counts z non - HP Color LaserJet 9500 | Service Manual - Page 91
is complete. To skip disk Use the skip disk function to turn on the printer without recognizing the hard disk. This is useful for troubleshooting hard disk problems without having to remove the hard disk. 1 Turn off the printer, and then turn the printer on again. 2 Press and hold during the memory - HP Color LaserJet 9500 | Service Manual - Page 92
90 3 Product configuration ENWW - HP Color LaserJet 9500 | Service Manual - Page 93
Preventative maintenance 92 Image transfer kit 92 Image cleaning kit 92 Image fuser kit 92 Cleaning the printer and accessories 93 General cleaning 93 Cleaning procedures 94 Cleaning the post charger 94 Cleaning the separation guide, feed guide, and front fuser guide 94 Cleaning the fuser - HP Color LaserJet 9500 | Service Manual - Page 94
-Packard recommends that you place an order for a replacement image fuser kit when the ORDER FUSER KIT message first appears on the control panel display. The product number for the image fuser kit for the HP color LaserJet 9500 series printer is C8556A. 92 Chapter 4 Product maintenance ENWW - HP Color LaserJet 9500 | Service Manual - Page 95
has occurred, some toner might remain on the rollers and guides inside of the printer. The pages that print immediately after the jam can pick up this toner. A blank cleaning page is printed after a jam occurs in the fuser area. Note To clean skin and clothing of toner spills, remove as much toner - HP Color LaserJet 9500 | Service Manual - Page 96
, make sure that the blue handle of the post charger cleaner is positioned at the far left of the image transfer belt. Cleaning the separation guide, feed guide, and front fuser guide Clean these guides with lint-free cloth. If any dirt or dust cannot be removed, use alcohol on the lintfree cloth - HP Color LaserJet 9500 | Service Manual - Page 97
inside of the right door. 10 Using one hand to support the underside of the transfer roller, turn the roller image transfer belt as you insert the roller into the printer. 11 Swing the green lever up, and then close the front doors. Cleaning the registration roller unit z Registration roller: Clean - HP Color LaserJet 9500 | Service Manual - Page 98
life remaining z the estimated number of pages remaining z the number of pages printed z other supplies information Authentic HP print cartridges for the HP color LaserJet 9500 series printer have the following part numbers: Print cartridge Product number Part number Black C8550A C8550-67901 - HP Color LaserJet 9500 | Service Manual - Page 99
on end) z in a temperature that is listed above z away from ammonia or other organic-solvent fumes Never ship the printer with print cartridges or image drums installed. Excessive vibration during shipping can cause toner to leak, contaminating the printer. ENWW Chapter 4 Product maintenance 97 - HP Color LaserJet 9500 | Service Manual - Page 100
number of pages remaining z the number of pages printed z the other supply information Authentic HP image drums for the HP color LaserJet 9500 series printer have the following part numbers: CAUTION Image drum Product number Part number Black Cyan Yellow Magenta C8560A C8561A C8562A C8563A - HP Color LaserJet 9500 | Service Manual - Page 101
upgrades Note Note Note Downloading the new firmware from the HP Web site For support information about downloading new firmware from the Web, go to: http://www.hp.com/go/clj9500_firmware Downloading the new firmware to the printer The printer can receive an .rfu update to a printer as long as it - HP Color LaserJet 9500 | Service Manual - Page 102
the appropriate printer port (such See "Printer messages during . See "Printer messages during firmware window. Remote firmware update through a Windows network If the printer is shared on a Windows network, follow these instructions. 1 From a command prompt or in an MS-DOS window "Printer printer - HP Color LaserJet 9500 | Service Manual - Page 103
using FTP on a direct network connection If the HP color LaserJet 9500 series printer uses a direct network connection, use file transfer protocol (FTP) to update your HP LaserJet firmware. Complete the following steps for your operating system. Windows operating systems 1 Take note of the TCP/IP - HP Color LaserJet 9500 | Service Manual - Page 104
Terminal window on Download and install the program from: http://download.cnet.com/downloads/0-10207-100-5250613.html Follow these instructions to use Fetch. 1 Start the program by clicking on the Fetch icon. 2 Type the IP address of the printer in the Host: box 102 Chapter 4 Product maintenance - HP Color LaserJet 9500 | Service Manual - Page 105
the firmware file for the printer. The HP LaserJet utility can be found on the HP color LaserJet 9500 printing-system software CD-ROM that came with the printer. If you do not have the software CD-ROM, you can obtain the HP LaserJet utility by downloading the latest printer installer from http://www - HP Color LaserJet 9500 | Service Manual - Page 106
Windows NT 4.0, Windows 2000, Windows XP, and Windows Server 2003. Follow the instructions below to update the printer software remotely by using the LPR command. 1 From a command window window. Using HP Web JetAdmin to download the firmware to the printer This procedure requires that you install HP - HP Color LaserJet 9500 | Service Manual - Page 107
side of the window. Scroll if necessary Troubleshooting a firmware update failure Cause Action The .rfu file is corrupted. The printer recognizes that the file is corrupted and rejects the update. Download the file again and send the new file to the printer. Download the file from: http://www.hp - HP Color LaserJet 9500 | Service Manual - Page 108
Table 41. Troubleshooting a firmware update failure Cause Action The upgrade is interrupted. See table 40. A flash hardware failure occurred. The device might have a hardware failure. 106 Chapter 4 Product maintenance ENWW - HP Color LaserJet 9500 | Service Manual - Page 109
circuit 131 DC controller operations 134 T driver circuit 135 Fuser control circuit 136 Low-voltage power supply 137 High-voltage power supply circuits 138 Post charger power supply unit 138 Motors and fans 139 Switches, solenoids, clutches, and sensors 142 Formatter 146 DIMM slots 146 - HP Color LaserJet 9500 | Service Manual - Page 110
158) z paper pickup (page 169) Relationships among the four systems are represented in figure 15: Laser/scanner system Engine-control system Image-formation system Figure 15. To external devices through the formatter Printer systems Paper-pickup system 108 Chapter 5 Theory of operation ENWW - HP Color LaserJet 9500 | Service Manual - Page 111
16 15 14 13 Printer components ENWW Table 42. Printer components Key Description 1 Face-down tray delivery sensor flag 2 Face-down tray paper-full sensor flag 3 T cartridges (T-CRG; print cartridges) 4 Laser/scanner assemblies 5 P cartridges (P-CRG; image drums) 6 Intermediate transfer belt (ITB - HP Color LaserJet 9500 | Service Manual - Page 112
system controls the operational sequences. Table 44 describes the sequences. The sequence of operation from the time power is turned on until the printer enters the standby state is described in table 43. Figure 17. Power-on block diagram Table 43. Power-on sequence Order Description 1 Power - HP Color LaserJet 9500 | Service Manual - Page 113
bias is turned off z fuser temperature control occurs z TOP signal turns on (engine to formatter output signal) z image control occurs z high-voltage control occurs z paper pickup control occurs z next-page-pickup timing is coordinated z toner is supplied to the drum cartridge z jam/door-open - HP Color LaserJet 9500 | Service Manual - Page 114
ENWW Figure 18. Timing chart (1 of 2) 112 Chapter 5 Theory of operation Power Switch ON Sequence 1 Drum Motor 2 ITB Motor 3 Registration Motor 4 Fuser Motor 5 Scanner Motor 6 Positive Charging Brush (AC) 7 Positive Charging Brush (DC) 8 Negative Charging Brush (DC) 9 Primary Charging Bias (AC) 10 - HP Color LaserJet 9500 | Service Manual - Page 115
Chapter 5 Theory of operation 113 Figure 19. Timing chart (2 of 2) ENWW Power Switch ON Sequence 1 /T OP 2 POST 3 /T OPR 4 Secondary Transfer Clutch 5 Secondary Transfer Bias (+) 6 Secondary Transfer Bias (-) 7 Static Charge Eliminating Bias 8 Pickup Motor 9 Pre-registration Feed Clutch 10 - HP Color LaserJet 9500 | Service Manual - Page 116
paper width sensor J3006 2 1 J3025L J3025DH J3025D J3026L J3026LH 1 2 3 4 5 J3027L J3027LH J3027D 11 10 9 8 7 6 5 4 3 2 1 J803 T driver PCA J3026D switch 3 2 1 4 3 2 1 J1501 J3034 PS1502 SR6 Fuser front paper sensor PS1501 Fuser sensor PCA J109 13 12 11 10 9 8 7 6 5 4 - HP Color LaserJet 9500 | Service Manual - Page 117
diagram (2 of 4) ENWW Upper fuser heater 2 H1 1 FT15 FT11 FT14 FT10 2 Lower fuser heater Upper thermistor Lower thermistor Upper optional) A4 B3 FT3 J3007DB 1 2 3 J608 1 2 3 4 J616 P driver PCA High-voltage power supply PCA 2F J9001 1 6 GND(SG) 2 3 4 7 +5V 5 HVSEL 4 - HP Color LaserJet 9500 | Service Manual - Page 118
1 PFXFANX 6 J806 J819 J811 T driver PCA J821 J808 J823 16 RDILCKP 15 2 3 2 4 J1301L Color misregistration sensor (L) Fuser fan FM4 Ozone fan FM7 Drum encoder (Bk) P SP S J701K J610 M M7 Drum motor (Bk) Drum encoder (C) P SP S J701C M M8 Developing motor (Bk) M M5 Drum motor (C) Drum - HP Color LaserJet 9500 | Service Manual - Page 119
9 8 7 6 5 4 3 2 1 J817 J816 13 J802 J802 J815 J804 J805 T driver PCA J813 J814 J812 J807 J822 J818 J809 J820 (Bk) TTMPSNSX 1 GND(SG) 2 THUMSNSX 3 2 RED(+) 2 1 T-LC motor T-LC motor rotation sensor rotation sensor (C) (Y) M J3049D J3049DH M 1 J3049L RED(+) 2 - HP Color LaserJet 9500 | Service Manual - Page 120
13 LDILCKP O INTERLOCK RELAY DRIVE signal J102 1 PSFNLCK 2 P24VEN 3 PSFNSPD 4 PSSSOPN 5 /POFF 6 GND(SG) I High POWER SUPPLY FAN LOCK DETECTION signal O +24 V OUTPUT ENABLE signal O POWER SUPPLY FAN SPEED SWITCHING signal I High SOFT SWITCH OPEN DETECTION signal O Low POWER OFF signal 118 - HP Color LaserJet 9500 | Service Manual - Page 121
Table 46. FFC input/output signals on the DC controller (continued) Connector Pin Signal name I/O Logic Signal description J103 1 FP3_3V 2 FPO 3 FPI 4 FPCK 5 /FPCS 6 FPGND 7 +5V 8 +5V 9 GND(SG) 10 VDO41 11 /VDO41 12 VDO42 13 /VDO42 14 VDO31 15 /VDO31 16 VDO32 17 /VDO32 18 VDO21 19 /VDO21 20 VDO22 - HP Color LaserJet 9500 | Service Manual - Page 122
GND(SG) 9 ENCLON 10 ENC11 11 ENC12 I DRUM ENCODER signal I DRUM ENCODER signal I DRUM ENCODER signal I DRUM ENCODER signal I DRUM ENCODER signal I DRUM ENCODER signal O DRUM ENCODER ON signal I High DRUM ENCODER signal I High DRUM ENCODER signal J106 1 /DEC1 2 /ACC1 3 /DEC2 4 /ACC2 - HP Color LaserJet 9500 | Service Manual - Page 123
CPR signal I RIGHT CPR signal O T DRIVER SERIAL CLOCK signal 1 High T DRIVER SERIAL DATA signal O Low T DRIVER TIMING signal O High T DRIVER I TONER DENSITY SENSOR OUTPUT signal I TONER DENSITY SENSOR OUTPUT signal I RIGHT CPR SENSOR ANALOG signal I LEFT CPR SENSOR ANALOG signal J107 - HP Color LaserJet 9500 | Service Manual - Page 124
Table 46. FFC input/output signals on the DC controller (continued) Connector Pin Signal name I/O Logic Signal description J108 1 VDO11O 2 GND(SG) 3 /VDO11O 4 LDCTRL10 5 LDCTRL11 6 LDCTRL12 7 VDO12O 8 GND(SG) 9 /VDO12O 10 PDOOUT1 11 GND(SG) 12 +5LD O High VIDEO signal O Low VIDEO signal O - HP Color LaserJet 9500 | Service Manual - Page 125
Table 46. FFC input/output signals on the DC controller (continued) Connector Pin Signal name I/O Logic Signal description J113 continued 6 /FSSULONG 7 /FSLHD 8 /FSUHD 9 FSHDE 10 FSRLL 11 +5V 12 GND(SG) 13 GND(PG) 14 FSTHSWI O Low SLOW-UP CIRCUIT DRIVE signal O Low PRESSURE ROLLER TEMPERATURE - HP Color LaserJet 9500 | Service Manual - Page 126
Table 46. FFC input/output signals on the DC controller (continued) Connector Pin Signal name I/O Logic Signal description J118 1 GND(SG) 2 UPAPERS 3 UPTS 4 UPVS2 5 +3LED 6 UPVS1 7 LPAPERS 8 PRS 9 LPTS 10 LPVS2 11 LPVS1 12 RLDOORS 13 LFEEDSA 14 LFEEDSB 15 UFEEDSA 16 UFEEDSB I High UPPER CASSETTE - HP Color LaserJet 9500 | Service Manual - Page 127
ENWW Table 46. FFC input/output signals on the DC controller (continued) Connector Pin Signal name I/O Logic Signal description J121 13 +3LED continued 14 GND(SG) 15 OHTSS I 16 +3LED 17 GND(SG) 18 XMFEDSNS I TRANSPARENCY DETECTION signal MULTIPLE FEED DETECTION signal J122 1 ULSIZE1 I - HP Color LaserJet 9500 | Service Manual - Page 128
Connector location J3035 J3008 (TH4) J116 J3033 J117 J121 J3030 J123 J3036 J3022 J3026 J3025 J3081 J3027 J3101 J302J83071J3029 J3032 J3031 J3100 J3009 J3010 J3011 J108 J109 J110 J111 J115 J1501 J122 J3023 J3034 J3024 J3012 J118 J120 J125 J13 J11 J12 J54J52 J3007 J3001 J3000 Figure - HP Color LaserJet 9500 | Service Manual - Page 129
J3051 J3053 J3052 J3050 J3055 J3054 J3060 J3070 J3056 J3058 J3057 J3064 J3063 J3062 J3059 J3061 J3078 J3089 J3002 J3004 J3005 J3003 J3006 J3084 J819 J818 J817 J816 J815 J823 J1001 J113 J102 J802 J820 J810 J103 J130 J9002 J812 J3078 J3089 J3019 J119 J300 J11 J60 J61 J9 J3 J201 J3002 - HP Color LaserJet 9500 | Service Manual - Page 130
J3048 J3049 J3047 J809 J3046 J814 J808 J3068 J3067 J3066 J822 J807 J3065 J813 J3085 J3013 J3080 J3015 J3020 J1701 J1302 J1301 J3073 J3014 J3072 J3074 J1301 J1302 J1007 J1002 J1006 J3079 J3087 J811 J3086 J804 J805 J1003 J16 J17 J1008 J1009 J18 J12 J3040 J19 J1004 J3038 J13 - HP Color LaserJet 9500 | Service Manual - Page 131
J603 J617 J602 J615 J604 J605 J614 J606 J613 J607 J612J618 J701Y J701M J3090 J3091 J3092 J3093 J609 J610 J611 J3094 J3075 J701C J3095 J3096 J3097 J701K J3098 J821 J801 J616 J803 J601 J901 J3016 J3017 J1701 J1401 J1402 J3082 J3069 J106 J608 J112 J411 J3018 J1403 J114 J104 - HP Color LaserJet 9500 | Service Manual - Page 132
the laser/scanner, image-formation, and paper-pickup systems according to the instructions it receives from the formatter. The engine-control system consists of the DC controller printed circuit assembly (PCA), the T driver PCA, the high-voltage power-supply PCA, the fuser power supply PCA, and the - HP Color LaserJet 9500 | Service Manual - Page 133
unit Fuser control circuit DC controller PCA IC3 DSP AC input To Sub CPU Lowvoltage power supply +24 V +5 V +3.3 V FM5 CL3 CL FM8 Density sensor Color registration sensor SR5 SR6 SR24 SR42 PS1501 PS1502 Duplexer IC1 Main CPU IC2 ASIC Formatter PCA P driver M M2 M M4 M M6 M M8 Drum - HP Color LaserJet 9500 | Service Manual - Page 134
circuit (2 of 2) IC1 Main CPU Table 47. Motors, fans, clutches, solenoids, and sensors Number Description M1 Drum motor (yellow) M3 Drum motor (magenta) M5 Drum motor (cyan) M7 Drum motor (black) M2 Developing motor (yellow) M4 Developing motor (magenta) M6 Developing motor - HP Color LaserJet 9500 | Service Manual - Page 135
SR23 Pickup roller shaft home-position sensor SR24 Lower right door sensor SR42 Front secondary transfer paper sensor SR43 Last paper sensor SR45 ITB rotation sensor PS1501 Fuser delivery paper sensor PS1502 Engaging/disengaging sensor SW3 Tray 2 paper length detection switch SW5 - HP Color LaserJet 9500 | Service Manual - Page 136
the following printer operations, according to instructions from the main CPU: • laser/scanner operation • communication with the formatter • high-voltage power-supply circuit operation • rotation of the fuser/delivery motor and drum motor • operation of the motors and sensors • communication with - HP Color LaserJet 9500 | Service Manual - Page 137
CPU FM1 FM2 FM3 FM4 FM6 FM7 SL2 SL PS901 PS902 SR2 PS1401 PS1402 Right door switch Left door switch Figure 31. T driver circuit IC2 T-CPU T driver PCA M M M M M M M M12 M13 M14 M15 SR7 SR8 SR9 SR10 M16 M18 M20 ATR sensor Temperature/humidity sensor SR44 ENWW Chapter 5 Theory of operation 135 - HP Color LaserJet 9500 | Service Manual - Page 138
printer is running hot, wait at least five minutes before unplugging the power cord. This allows the fans to cool the fuser control circuit. Fuser roller Upper thermoswitch Upper-center thermistor Upper-edge thermistor Upper fuser heater Fuser temperature detection signal Power supply unit Fuser - HP Color LaserJet 9500 | Service Manual - Page 139
motor/pickup motor/ lifter motor/pickup roller/down motor Drum/ITB/registration/fuser motor +5 V +24 VA +24 VB Figure 33. Low-voltage power supply circuit +5 V Switches Solenoids Sensors Memory PCA +24 VA +24 VB T driver Fan/T-CRG motor/ automatic registration/ PCA scanner motor - HP Color LaserJet 9500 | Service Manual - Page 140
(T1) Static charge eliminator Secondary transfer roller (T2) Primary charging roller Negative cleaning brush Positive cleaning brush Post charging unit Post charging power supply unit Post charging high-voltage generation circuit SUBPHVOUT SBP1HVOUT SBP2HVOUT SBP3HVOUT TR11HVOUT TR12HVOUT - HP Color LaserJet 9500 | Service Manual - Page 141
fan Fuser motor Fuser fan Upper right fan Ozone fan Registration motor Pickup motor Print cartridge motors ITB motor Drum motor Developing motor Figure 35. Motors and fans ENWW Table 48. Motors and fans Number Description Function Type Direction/ speed Controlled by Failure Service detection - HP Color LaserJet 9500 | Service Manual - Page 142
Table 48. Motors and fans (continued) Number Description Function Type M10 Fuser motor Drives the DC fuser rollers motor and the delivery roller. Also releases the fuser roller pressure by reversing, which makes a cracking noise. M11 Registration Drives the DC motor secondary motor - HP Color LaserJet 9500 | Service Manual - Page 143
T driver Yes RH7- 1544- 000CN FM4 FM5 Fusing fan Cools the fuser DC and print motor cartridge area. T driver Yes Power supply Cools T driver z One speed RH32237000CN (220 V) Yes RH7- 1546- 000CN Yes RH7- 1564- 000CN No RG5- 6180- 000CN The HP color LaserJet 9500 duplex - HP Color LaserJet 9500 | Service Manual - Page 144
-full notice sensor ITB temperature sensor Print cartridge motor rotation sensors ITB rotation sensor Transparency sensor Last paper sensor Tray 1 paper sensor Temperature/ humidity sensor Density sensor Color registration sensors Front fusing paper sensor ITB sensor Figure 37. Sensors 142 - HP Color LaserJet 9500 | Service Manual - Page 145
PS1502 SR1 Waste toner-full notice sensor Waste toner-full warning sensor Fuser delivery paper sensor Engaging/disengaging sensor Tray 1 paper sensor SR2 Upper left door sensor SR3 Registration paper sensor SR4 Transparency sensor Controlled by Service part number DC controller RG5-6097 - HP Color LaserJet 9500 | Service Manual - Page 146
controller RG5-6179-000CN Secondary transfer assy. SR43 Last paper sensor DC controller RG5-6090-000CN Manual feed paper pickup assy. SR44 ITB sensor DC controller WG8-5362-000CN Photo interrupter SR45 ITB rotation sensor DC controller RG5-6188-000CN Process cartridge drive assy. 144 - HP Color LaserJet 9500 | Service Manual - Page 147
Controlled by Service part number TH4 ITB temperature sensor DC controller RG5-6180-000CN ITB assy. N/A Temperature/humidity sensor DC controller RG5-6153-000CN Humidity sensor assy. N/A Density sensor DC controller RG5-6123-000CN Registration assy. N/A Color registration sensor DC - HP Color LaserJet 9500 | Service Manual - Page 148
Formatter The formatter is responsible for the following functions: z receiving and processing print data from the various printer interfaces z monitoring control panel inputs and relaying printer status and error information (through the control panel and the bidirectional I/O) z developing and - HP Color LaserJet 9500 | Service Manual - Page 149
. The formatter heartbeat LED does not indicate that the firmware is operating correctly. If the formatter heartbeat LED is visible, check other printer systems for problems and consider performing a firmware upgrade. See "Firmware upgrades" on page 99. ENWW Chapter 5 Theory of operation 147 - HP Color LaserJet 9500 | Service Manual - Page 150
The laser/scanner system is the laser/scanner unit that forms a latent image on the photosensitive drum based on the VDO and /VDO signals sent from the formatter. This printer contains four laser/ scanner units (one for each color), and each laser/scanner unit is structured the same. VDO1 VDO2 - HP Color LaserJet 9500 | Service Manual - Page 151
The laser/scanner unit of this printer contains two laser diodes in the laser unit. The printer employs the "dual-beam method," scan across the drum at a constant speed. Then, a latent image is formed on the drum surface by constant-speed rotation of the photosensitive drum and constant-speed - HP Color LaserJet 9500 | Service Manual - Page 152
to the logic circuit in the laser driver IC. The laser driver IC then performs the automatic emission control of the laser diodes (APC), the image mask control, and a forced light emission of each laser diode. The logic circuit performs the following functions: z starts the print mode when all of - HP Color LaserJet 9500 | Service Manual - Page 153
, and the CNT2 signal is low, LD1 and LD2 are automatically turned off and the sample hold circuit enters the hold state (image mask state). Also, the laser driver IC converts the controlled laser light amount to the C12 and C22 voltages and stores the amounts. ENWW Chapter 5 Theory of operation - HP Color LaserJet 9500 | Service Manual - Page 154
, and the CNT2 signal is low, all of the signals from the CPT to the laser driver IC, LD1, and LD2 are turned off automatically. The sample-hold circuit then enters the image mask state. During the image mask state, LD1 and LD2 do not emit light even if the VDO1, /VDO1, VDO2 - HP Color LaserJet 9500 | Service Manual - Page 155
Laser failure detection This printer performs a correct laser control by detecting the laser control status from the DC controller. The laser failure detection determines a laser failure, Beam detect failure, and Beam detect error from the ASIC in the DC controller, which monitors the laser current - HP Color LaserJet 9500 | Service Manual - Page 156
on the photosensitive drum. DC controller driver IC. The scanner motor, which is integrated with the scanner motor drive circuit, is a three-phase, 12-pole, DC, brushless motor with a built-in hall device. The scanner motor speed control process includes the following functions: 1 When the printer - HP Color LaserJet 9500 | Service Manual - Page 157
scanning magnification. The CPR calibration control performs the following functions: z image CPR range adjustment z laser-beam-skew calibration Image CPR adjustment Image CPR adjustment information is adjusted for each color. This adjustment includes the following functions: z determination of the - HP Color LaserJet 9500 | Service Manual - Page 158
CPR sensors Detection patterns ITB Standard color (C) CPR detection pattern Measured color (Y) Measured color (M) Measured color (K) Figure 44. Color plane registration (CPR) adjustment 156 Chapter 5 Theory of operation ENWW - HP Color LaserJet 9500 | Service Manual - Page 159
Cam Photosensitive drum Figure 45. Note Laser beam skew calibration Laser adjustment The following two types of alignment that are adjusted manually: z inter-dot runout (lengthens the scan line) z parallelism See Adjusting the laser/scanner assemblies (page 223) for more information about these - HP Color LaserJet 9500 | Service Manual - Page 160
z the ITB z the post charger z the secondary transfer roller z the fuser z the cleaning blade assembly Print cartridges Lasers Fuser Cleaning blade assembly Image drums Developing Photosensitve cylinder drum Primary transfer roller Print cartridges Primary charging roller Negative charging - HP Color LaserJet 9500 | Service Manual - Page 161
even, negative charge. 3 The dc bias is applied to control density. This procedure occurs in the same way for all four image drums. Primary charging roller Photosensitve drum ac bias dc bias Figure 47. Note Primary charging (step 1) Step 2 1 A laser beam strikes the charged surface of the OPC to - HP Color LaserJet 9500 | Service Manual - Page 162
of toner is fed from the print cartridge into the image drum. 2 When in the image drum, the non-magnetic toner is mixed with the magnetic carrier surfaces. 8 As the toner is used, the automatic toner replenishment (ATR) sensor in the P cartridge detects the toner-to-carrier ratio. The T-cartridge - HP Color LaserJet 9500 | Service Manual - Page 163
to the primary transfer roller (T1). 2 Negatively-charged toner on the image drum is attracted to the positive charge on the primary transfer roller and to the for each primary color in the order of YMCK, and creates piles of four toner colors on the belt. Photosensitve drum ITB Primary transfer - HP Color LaserJet 9500 | Service Manual - Page 164
the HP color LaserJet 8550. The post charger is not used for all printed pages. ac bias Post charging unit ITB dc bias Figure 51. Post charging (step 5) Step 6 1 Media is fed between a nip that is formed by the ITB, secondary transfer backing roller (T2 backing roller), and the image transfer - HP Color LaserJet 9500 | Service Manual - Page 165
(step 7) Step 8 1 Heat and pressure are applied to melt toner to the media. The two fuser rollers are rubber-coated to handle thick media and for improved gloss levels. Halogen heaters Fuser roller Media Toner Pressure roller Figure 54. Fusing (step 8) ENWW Chapter 5 Theory of operation 163 - HP Color LaserJet 9500 | Service Manual - Page 166
charge is positive, and the second charge is negative. Developing cylinder Developing unit Photosensitive drum Residual toner Figure 56. ITB Primary transfer roller OPC cleaning Primary charging roller Negative charging brush Positive charging brush 164 Chapter 5 Theory of operation ENWW - HP Color LaserJet 9500 | Service Manual - Page 167
OPC, and then it is returned to be used again. ac bias Developing cylinder dc bias Photosensitive drum Figure 57. OPC cleaning toner collection (step 11) Step 12 1 During the OPC cleaning, some positively charged toner that was not charged negatively in step 10 adheres to the primary charging - HP Color LaserJet 9500 | Service Manual - Page 168
controller performs the following actions to obtain an optimal image: z various high-voltage DC bias controls z ATR sensor control voltage calibration The environment calibration control is performed at the following times: z when the printer is turned on z after replacing the P-crg z during extreme - HP Color LaserJet 9500 | Service Manual - Page 169
density detection control occurs when the density sensor strikes light at the four-color image density patterns on the ITB, and measures pattern density from the reflected light intensity. The DC controller controls the density sensor. The sensor is located above the ITB and consists of a LED and - HP Color LaserJet 9500 | Service Manual - Page 170
photosensitive drum for each color. Optimum primary charging bias and developing bias are determined in the D-max, based on the image data sent sensor, and sends the data to the formatter. 3 The formatter performs the halftone calibration, based on the density data, to obtain an ideal halftone image - HP Color LaserJet 9500 | Service Manual - Page 171
print media by using different feed rollers. This printer includes three standard paper pickup sources (tray 1, three clutches, and two solenoids. The 10 paper sensors on the paper path detect the reach or the passage 1. M11 Faceup deflector M9 M10 ITB Fuser roller CL3 CL2 CL1 SL1 SL2 Pressure - HP Color LaserJet 9500 | Service Manual - Page 172
SR3 SR4 SR5 SR20 SR19 SR11 SR12 SR43 SR1 MPPCA SR15 SR16 SR23 SR22 SR21 SR13 SR14 SR17 SR18 Figure 61. Paper-path system switches, sensors, and PCA Note For more information about the paper-path system, see "Switches, solenoids, clutches, and - HP Color LaserJet 9500 | Service Manual - Page 173
the sheets of media individually from the tray into the printer, and transports each sheet to the fuser. The main mechanisms used in tray pickup and paper the paper-width-detection switches and registration paper sensor based on the media size specified by the formatter. The length - HP Color LaserJet 9500 | Service Manual - Page 174
feed roller, and separation roller for tray 3 and performs a pickup operation from tray 3. 5 The sheets in tray 2 or tray 3 are fed into the printer individually as the pickup roller, feed roller, and separation roller rotate. 6 After a pickup operation is completed, the M24 stops as the M23 begins - HP Color LaserJet 9500 | Service Manual - Page 175
Lifting-up operation The lifting-up operation keeps the surface of the print media stack at a specified position. This stabilizes the pickup operation for any print-media size that the tray holds. Pickup roller Feed roller Lifter Lifter gear Separation roller Figure 63. Lifting-up operation - HP Color LaserJet 9500 | Service Manual - Page 176
tray 1 pickup operation includes the following steps: 1 The tray 1 paper sensor (PS1301) detects media in tray 1. 2 After a print command is input roller picks up a single page. 5 The single page feeds into the printer after the separation pad clears any multifeed pages. M11 Tray 1 pickup roller - HP Color LaserJet 9500 | Service Manual - Page 177
by variations in the variable resistor that is interlocked to the document size guide. If the detected width differs from the width that is specified by the , indicates this to the formatter, and stops the printer. Media Document size guide MPPCA Figure 65. Tray 1 paper-width detection Feed - HP Color LaserJet 9500 | Service Manual - Page 178
, the tray 1 last-paper detection detects that the tray is out of paper before image writing to avoid soiling the photosensitive drum and the ITB. This detection is performed with the last paper sensor (SR43) monitoring rotations of the last-paper-detection roller located on tray 1. Normal paper - HP Color LaserJet 9500 | Service Manual - Page 179
the internal trays to the registration, secondary transfer, and fuser. It also indicates the drive relationships between the clutches and the paper path motors. The preregistration motor does not provide any registration function. M11 M9 ITB CL3 CL2 CL1 Secondary transfer roller Registration - HP Color LaserJet 9500 | Service Manual - Page 180
SR11; SR12) z Tray 3 feed sensor A/B (SR13;SR14) z Registration paper sensor (SR3) z T2 input sensor (SR42) z Fuser input sensor (SR6) z Fuser output sensor (PS1501) z Face-down bin output sensor (PS901) z Duplexer media reverse sensor (SR33) z Duplex media path sensor (SR31) z Duplexer media refeed - HP Color LaserJet 9500 | Service Manual - Page 181
is turned on. • The printer is returning from SLEEP mode. • A door is closed after a jam occurs. • Tray 2 feed sensor A (SR11) • Tray 3 feed sensor A (SR13) • Front fusing paper sensor (SR6) • Front secondary transfer paper sensor (SR42) • Fuser delivery paper sensor (PS1501) z Paper undeliverable - HP Color LaserJet 9500 | Service Manual - Page 182
180 Chapter 5 Theory of operation ENWW - HP Color LaserJet 9500 | Service Manual - Page 183
cable/connector damage areas 186 Potential damage areas while servicing 186 Consumables 187 Toner cartridges (print cartridges 187 Process cartridges (image drums 189 Waste toner bottle (toner collection bottle 191 Transfer cleaner (cleaning blade 192 Transfer roller 193 External covers 194 - HP Color LaserJet 9500 | Service Manual - Page 184
unit 258 Temperature and humidity sensor 266 High-voltage power supply 267 Low-voltage power supply 268 Registration assembly 269 Delivery fan 276 Fuser fan 277 P-crg (image drum) drive assembly 278 T-crg (print cartridge) drive assembly 282 Fuser motor 284 Fuser drive assembly 285 DC - HP Color LaserJet 9500 | Service Manual - Page 185
servicing, turn the power off but allow the printer to remain plugged in with the cooling fans running for at least 10 minutes before unplugging the power cord. WARNING! Exercise caution when working on the printer. The printer can have sharp sheet-metal edges. Note Always remove the image drums - HP Color LaserJet 9500 | Service Manual - Page 186
are needed to service the printer and the finishing heads on the printer. Be sure to use a #2 Phillips screwdriver. If you have an electric or multi-speed screwdriver, Sheet metal to plastic Table 51. Common torque values Material HP recommended torque value Plastic to metal 5.5 lb-inch Metal to - HP Color LaserJet 9500 | Service Manual - Page 187
when you are fastening the cover or the lock. A partially seated FFC can cause irreparable damage to the cartridge e-labels and can cause motor stall errors. ENWW Chapter 6 Removal and replacement 185 - HP Color LaserJet 9500 | Service Manual - Page 188
evenly to avoid tearing out a single wire. Potential damage areas while servicing The following are potential areas for damage while the printer is being serviced: z the print cartridge bottoms (remove the print cartridges when servicing areas near them) z the white plastic tab on the P-cartridge - HP Color LaserJet 9500 | Service Manual - Page 189
Consumables Toner cartridges (print cartridges) 1 Open the front doors. Figure 70. Gain access to the toner cartridges 2 Rotate the blue lever clockwise. Figure 71. Rotate the toner cartridge lever ENWW Chapter 6 Removal and replacement 187 - HP Color LaserJet 9500 | Service Manual - Page 190
3 Pull the toner cartridge out. Figure 72. Remove the toner cartridge Note If necessary, repeat these steps for the other three toner cartridges. 188 Chapter 6 Removal and replacement ENWW - HP Color LaserJet 9500 | Service Manual - Page 191
Note Process cartridges (image drums) Image drums must be placed face-down on a flat, clean surface. 1 Rotate the green lever clockwise. Figure 73. Gain access to the process cartridge door 2 Rotate the blue dial counterclockwise. Figure 74. Rotate the process - HP Color LaserJet 9500 | Service Manual - Page 192
3 Open the process cartridge door. Figure 75. Open the process cartridge door 4 Pull the process cartridge out. Figure 76. Remove the process cartridges Note If necessary, repeat these steps for the other three process cartridges. 190 Chapter 6 Removal and replacement ENWW - HP Color LaserJet 9500 | Service Manual - Page 193
Waste toner bottle (toner collection bottle) 1 Hold the top of the waste toner bottle and pull it out. Figure 77. Remove the waste toner bottle ENWW Chapter 6 Removal and replacement 191 - HP Color LaserJet 9500 | Service Manual - Page 194
Transfer cleaner (cleaning blade) 1 Rotate the blue lever down. Figure 78. Unlock the transfer cleaner 2 Pull out the transfer cleaner. Figure 79. Remove the transfer cleaner 192 Chapter 6 Removal and replacement ENWW - HP Color LaserJet 9500 | Service Manual - Page 195
Note Transfer roller Do not touch the surface of the transfer roller. 1 Rotate the green lever clockwise. Figure 80. Disengage the ITB to release the transfer roller 2 Grasp the blue tab and pull the transfer roller out. Figure 81. Remove the transfer roller ENWW Chapter 6 Removal and - HP Color LaserJet 9500 | Service Manual - Page 196
External covers Control panel overlay 1 Insert a small screwdriver and remove the control panel overlay. Figure 82. Remove the control panel overlay 194 Chapter 6 Removal and replacement ENWW - HP Color LaserJet 9500 | Service Manual - Page 197
Control panel 1 Open the front doors. 2 Release two tabs on the underside of the control panel by pulling them toward the front of the printer. Figure 83. Release the control panel 3 Lift the control panel straight up. 4 Unplug the cable connector (callout 1) on the underside of the control panel. - HP Color LaserJet 9500 | Service Manual - Page 198
Right upper cover 1 Remove the ozone filter (callout 1). 2 Open the right intermediate transfer belt (ITB) door. 1 Figure 85. Gain access to the right upper cover mounting screws 3 Remove two screws (callout 2). 2 Figure 86. Remove the right upper cover mounting screws 196 Chapter 6 Removal and - HP Color LaserJet 9500 | Service Manual - Page 199
4 Pull out the bottom of the right upper cover and remove it. Figure 87. Remove the right upper cover ENWW Chapter 6 Removal and replacement 197 - HP Color LaserJet 9500 | Service Manual - Page 200
Left upper cover 1 Open the left upper door. Figure 88. Gain access the left upper cover mounting screws 2 Remove two screws (callout 1). 1 Figure 89. Remove the left upper cover mounting screws 3 Remove the left upper cover. 198 Chapter 6 Removal and replacement ENWW - HP Color LaserJet 9500 | Service Manual - Page 201
Top right cover 1 Remove the following assemblies: z Control panel. See page 194. z Right upper cover. See page 196. 2 Open the front doors. 3 Remove two screws (callout 1). 1 Figure 90. Remove the top right cover mounting screws 4 Remove the top right cover. Figure 91. Remove the top right cover - HP Color LaserJet 9500 | Service Manual - Page 202
To reinstall Make sure that the tabs and locator pins are lined up correctly (callout 2). Hint Loosen the front middle screw (callout 3) so the tabs are easier to insert. 2 3 Figure 92. Reinstalling the top right cover 200 Chapter 6 Removal and replacement ENWW - HP Color LaserJet 9500 | Service Manual - Page 203
Top left cover 1 Remove the following covers: z Left upper cover. See page 198. z Top right cover. See page 199. 2 Remove two screws (callout 1). 1 Figure 93. Remove the top left cover mounting screws (1 of 2) 3 Remove two screws (callout 2). 2 Figure 94. Remove the top left cover mounting - HP Color LaserJet 9500 | Service Manual - Page 204
right. Be careful not to damage the face-down output tray-full sensor and the control panel cable. Figure 95. CAUTION Remove the top left correctly positioned on the plastic cross hairs. Make sure that the output tray-full sensor (callout 3) is above the output bin, and be careful not to damage the - HP Color LaserJet 9500 | Service Manual - Page 205
Front doors 1 Remove the following covers: z Right top cover. See page 199. z Left top cover. See page 201. 2 Lift up and remove the front door. Figure 97. Remove the front doors ENWW Chapter 6 Removal and replacement 203 - HP Color LaserJet 9500 | Service Manual - Page 206
door. Figure 98. Hint CAUTION Gain access to the fuser 2 Push the spring-loaded door rod down and to the back to remove it from the bracket ( rods are under tension and the pins in the rods are not secure. 1 Figure 99. Release the fuser door pistons 204 Chapter 6 Removal and replacement ENWW - HP Color LaserJet 9500 | Service Manual - Page 207
3 Align the flat side of the pivot hole on the left side of the door with the flat sides of the pivot pin. Figure 100. Remove the fuser door 4 Rotate the door away from the printer. 5 Remove the fuser door. ENWW Chapter 6 Removal and replacement 205 - HP Color LaserJet 9500 | Service Manual - Page 208
Intermediate transfer belt (ITB) door 1 Remove the right back cover. See page 213. 2 Open the right lower door assembly, and remove one screw (callout 1) on the retaining strap of the door assembly. 1 Figure 101. Release the right lower door 3 Remove the right lower door assembly. Figure 102. - HP Color LaserJet 9500 | Service Manual - Page 209
4 Open the right upper door (ITB access door). Figure 103. Open the ITB door 5 Remove seven screws (callout 2). 6 Remove the shield (callout 3). Figure 104. Remove the wire harness shield 2 3 ENWW Chapter 6 Removal and replacement 207 - HP Color LaserJet 9500 | Service Manual - Page 210
Hint CAUTION Note 7 Disconnect one cable connector (callout 4), and unclip one wire harness (callout 5). 8 Push the spring-loaded door rod down and to the back to remove it from the bracket (callout 6). Hold the door with your left hand while holding the rod with your right hand. The rod is under - HP Color LaserJet 9500 | Service Manual - Page 211
10 Remove three screws (callout 7). 11 Open the right upper door slightly and remove the bracket (callout 8). 7 8 Figure 107. Remove the ITB door mounting screws 12 Shift the ITB door toward the back of the printer and remove it. ENWW Chapter 6 Removal and replacement 209 - HP Color LaserJet 9500 | Service Manual - Page 212
Left back cover 1 Remove 8 screws (callout 1). 1 Figure 108. Remove the left back cover 2 Remove the left back cover. 210 Chapter 6 Removal and replacement ENWW - HP Color LaserJet 9500 | Service Manual - Page 213
Left lower cover 1 Remove the following assemblies: z Fuser door. See page 204. z Left back cover. See page 210. 2 Remove four screws (callout 1). 1 Figure 109. Remove the left lower cover mounting screws 3 Remove tray 2 - HP Color LaserJet 9500 | Service Manual - Page 214
5 Depress two tabs (callout 4). 4 Figure 111. Release the left lower cover tabs 6 Remove the left lower cover. 212 Chapter 6 Removal and replacement ENWW - HP Color LaserJet 9500 | Service Manual - Page 215
Right back cover 1 Remove seven screws (callout 1), and depress the tab (callout 2) near the ITB access door. 2 1 Figure 112. Remove the right back cover 2 Remove the right back cover. ENWW Chapter 6 Removal and replacement 213 - HP Color LaserJet 9500 | Service Manual - Page 216
Back cover 1 Remove following covers: z Left back cover. See page 210. z Right back cover. See page 213. 2 Remove one filter (callout 1), and remove eight screws (callout 2). 1 2 Figure 113. Remove the back cover 3 Remove the back cover. 214 Chapter 6 Removal and replacement ENWW - HP Color LaserJet 9500 | Service Manual - Page 217
Major assemblies Process cartridge (image drum) door 1 Remove the four process cartridges. See page 189. 2 Rotate the green lever down. 3 Unclip the drum door hinge pins (callout 1) with a screwdriver. 1 Figure 114. Unclip the process cartridge door hinge pins 4 Unlock the process cartridge door. - HP Color LaserJet 9500 | Service Manual - Page 218
6 Remove the hinge pins. Figure 116. Remove the process cartridge door hinge pins 7 Remove the process cartridge door. Figure 117. Remove the process cartridge door Note After replacing the process cartridge door, print a laser alignment test page and, if necessary, perform a laser alignment - HP Color LaserJet 9500 | Service Manual - Page 219
Note Laser/scanner assembly 1 Remove the following covers: z Top right cover. See page 199. z Top left cover. See page 201. 2 Disconnect three connectors (callout 1), and remove four black screws (callout 2). Depending on which laser/scanner assembly needs to be removed, disconnect the appropriate - HP Color LaserJet 9500 | Service Manual - Page 220
To reinstall Make sure that the two metal shim stacks (callout 3) are not covering the laser/scanner mounting screw-holes. 3 Figure 120. Reinstall the laser/scanner assembly Note Print a laser/scanner adjustment test page before reinstalling the top right cover and the top left cover. See page - HP Color LaserJet 9500 | Service Manual - Page 221
adjustment can be printed without reconnecting the control panel. However, when the control panel is connected you can read printer error messages (if any errors occur) and know when the printer reaches the READY state. This procedure can only be performed using A4- or letter-size media. Using A3 or - HP Color LaserJet 9500 | Service Manual - Page 222
to come to the READY state. Figure 122. Prepare to print a laser/scanner adjustment page 4 When the printer reaches the READY state, depress and release the engine test button. The printer performs an internal calibration, and then a laser/scanner adjustment page prints. 220 Chapter 6 Removal and - HP Color LaserJet 9500 | Service Manual - Page 223
figure 123) and the center of the three gray bands under the Laser Scanner Adjustment Step 2 are inside of the zero range for all three colors (callout 2; figure 123), then no adjustment is required and this procedure is complete. The laser/scanner adjustment page has examples to help interpret the - HP Color LaserJet 9500 | Service Manual - Page 224
center of any of the three gray bands under the Laser/Scanner Adjustment Step 2 is outside of the zero range for any of the three colors (callout 5; figure 124), a laser/ scanner adjustment is required. The position of the center of the gray bands under the Laser/Scanner Adjustment Step 2 are - HP Color LaserJet 9500 | Service Manual - Page 225
page") and use several special tools that are included with the replacement laser/scanner assemblies, process cartridge drum drive assembly (image drum drive assembly), and image drum door. Two possible adjustments that can be made to a laser/scanner assembly. These adjustments must be made - HP Color LaserJet 9500 | Service Manual - Page 226
CAUTION Hint Note Laser scanner adjustment step 1 Make sure that you do not lose any shims inside the printer. Shims that remain inside the printer can damage the printer. If you are unsure of how to interpret the Laser Scanner Adjustment Step 1 part of the adjustment page, see figure 124. 1 Print - HP Color LaserJet 9500 | Service Manual - Page 227
. 2 Figure 126. Placing the initial laser/scanner S-shims 4 Place the metal adjustment plate (callout 3) in the printer. Loosely secure the plate with a screw. Note A screw is not provided with the tool kit. Use one of the screws that you removed when the top covers were removed. 3 Figure 127 - HP Color LaserJet 9500 | Service Manual - Page 228
or remove the number of S-shims that is indicated on the laser/scanner adjustment page to or from the S-shims on the black plastic shim guide. 6 7 Figure 129. Add or remove laser/scanner adjustment S-shims 226 Chapter 6 Removal and replacement ENWW - HP Color LaserJet 9500 | Service Manual - Page 229
and tighten the black adjustment screw (callout 10). 9 10 Figure 131. Tighten the laser/scanner assembly mounting screws 9 Cover the top of the printer to prevent light leaks, and then print another laser/scanner adjustment page (see page 219). If the numbers under the Laser Scanner Adjustment - HP Color LaserJet 9500 | Service Manual - Page 230
adjustment step 2 Make sure that you do not lose any shims inside the printer. The laser/scanner adjustment page has examples to help interpret the position of No adjustment required Figure 132. Reading the laser/scanner adjustment step 2 images 228 Chapter 6 Removal and replacement ENWW - HP Color LaserJet 9500 | Service Manual - Page 231
appears on the adjustment page under the Laser Scanner Adjustment Step 2 heading (callout 3). If centers of the gray bands are at zero for all three colors, no adjustment is required and the second adjustment is complete. If the center of the gray bands falls outside of the zero range, adjustment is - HP Color LaserJet 9500 | Service Manual - Page 232
up the laser/scanner assembly slightly. Pinch one of the two plastic shim retainers and pull the retainer and shim pile (callout 6) out of the printer. Repeat for the second retainer and shim pile (callout 7). 6 7 Figure 135. Remove the laser/scanner assembly shim retainers and shims 230 Chapter - HP Color LaserJet 9500 | Service Manual - Page 233
number of shims added or subtracted is reversed, and black is the reference color for this adjustment. Always add or subtract shims from the top of the shims is not equal, the laser/scanner will not be parallel to the printer frame when it is installed. Figure 136. Add or remove the laser/scanner - HP Color LaserJet 9500 | Service Manual - Page 234
Figure 137. Replace the laser/scanner adjustment shim retainers and shims 232 Chapter 6 Removal and replacement ENWW - HP Color LaserJet 9500 | Service Manual - Page 235
the laser/scanner assembly mounting screws 8 Print another laser/scanner adjustment page (see page 219). Make sure that you cover the top of the printer to prevent light leaks. CAUTION Make sure that you do not use previously printed laser/scanner adjustment pages to check for the correct laser - HP Color LaserJet 9500 | Service Manual - Page 236
gray bands under the Laser Scanner Adjustment Step 2 heading are inside of the zero range for all of the three colors (callout 9), the step 2 adjustment is complete. Replace the printer covers. 10 If any of the centers of the three gray bands under the Laser Scanner Adjustment Step 2 heading are - HP Color LaserJet 9500 | Service Manual - Page 237
Delivery unit 1 Remove the following covers: z Top left cover. See page 201. z Left back cover. See page 210. 2 Open the fuser access door. Figure 140. Gain access to the delivery unit 3 Push down the top of the left side front cover, and remove it by pulling - HP Color LaserJet 9500 | Service Manual - Page 238
4 Remove four screws (callout 1) and two shields (callout 2). 2 1 2 Figure 142. Remove the delivery unit shields 5 Disconnect two connectors (callout 3). 3 Figure 143. Disconnect the delivery unit connectors 236 Chapter 6 Removal and replacement ENWW - HP Color LaserJet 9500 | Service Manual - Page 239
6 Remove five screws (callout 4) 4 Figure 144. Remove the delivery unit mounting screws (1 of 2) 7 Remove two screws (callout 5). 5 Figure 145. Remove the delivery unit mounting screws (2 of 2) ENWW Chapter 6 Removal and replacement 237 - HP Color LaserJet 9500 | Service Manual - Page 240
8 Remove the delivery unit. Figure 146. Remove the delivery unit 238 Chapter 6 Removal and replacement ENWW - HP Color LaserJet 9500 | Service Manual - Page 241
steps 1 through 8 for the delivery unit. See page 235. 2 Remove one screw (callout 1). 1 Figure 147. Remove the delivery unit sensor 3 Remove the delivery unit sensor. To reinstall Install the delivery unit sensor on the replacement delivery unit. ENWW Chapter 6 Removal and replacement 239 - HP Color LaserJet 9500 | Service Manual - Page 242
Vertical feed unit 1 Remove the following covers and assemblies: z Top left cover. See page 201. z Delivery unit. See page 235. 2 Disconnect one connector (callout 1), and one retaining strap (callout 2), and remove one screw on the holding clamp (callout 3). 1 2 3 Figure 148. Gain access to the - HP Color LaserJet 9500 | Service Manual - Page 243
5 Open the fuser access door. Figure 150. Gain access to the left side middle cover mounting screws 6 Remove two screws (callout 4). 4 Figure 151. Remove the left side middle cover mounting screws ENWW Chapter 6 Removal and replacement 241 - HP Color LaserJet 9500 | Service Manual - Page 244
7 Remove the left side middle cover mounting bracket. Figure 152. Remove the left side middle cover mounting bracket 8 Remove three screws (callout 5), and disconnect one connector (callout 6). 6 5 Figure 153. Remove the vertical feed unit mounting screws 242 Chapter 6 Removal and replacement - HP Color LaserJet 9500 | Service Manual - Page 245
9 Remove the vertical feed unit. Figure 154. Remove the vertical feed unit Note When replacing the vertical feed unit, make sure to reconnect the connector. ENWW Chapter 6 Removal and replacement 243 - HP Color LaserJet 9500 | Service Manual - Page 246
Duplexer 1 Open the fuser access door. Figure 155. Gain access to the duplexer 2 Depress the green lever (callout 1), and pull the duplexer out until it stops. 1 Figure 156. Remove the duplexer 3 Tilt the duplexer up and remove it. 244 Chapter 6 Removal and replacement ENWW - HP Color LaserJet 9500 | Service Manual - Page 247
Fuser 1 Remove the duplexer. See page 244. 2 Rotate the two blue tabs inward. Figure 157. Unlock the fuser 3 Slightly lift up the fuser and pull it out. Figure 158. Remove the fuser ENWW Chapter 6 Removal and replacement 245 - HP Color LaserJet 9500 | Service Manual - Page 248
Intermediate transfer belt (ITB) 1 Open the front doors. Note Make sure that the green handle is down. Figure 159. Release the ITB 2 Open the ITB door. Figure 160. Open the ITB door 246 Chapter 6 Removal and replacement ENWW - HP Color LaserJet 9500 | Service Manual - Page 249
3 Grasp the blue handle, and slide the ITB out until it stops. Figure 161. Slide the ITB out of the printer CAUTION Do not let anything touch the surface of the ITB. 4 Depress the two blue levers (callout 1), and remove the ITB. 1 Figure 162. Remove the - HP Color LaserJet 9500 | Service Manual - Page 250
Density and registration sensor assembly 1 Remove the following covers and FRUs: z Upper right cover. See page 196. z Right the right front cover 3 Remove four screws (callout 4). 4 Figure 164. Remove the density and registration sensor mounting screws 248 Chapter 6 Removal and replacement ENWW - HP Color LaserJet 9500 | Service Manual - Page 251
4 Disconnect one connector (callout 5) and two clips (callout 6) from the post charger power supply. 6 5 Figure 165. Disconnect the density and registration sensor connector 5 Unclip two wire retainers (callout 7) and feed the wire through the hole in the chassis (callout 8; in this picture, the - HP Color LaserJet 9500 | Service Manual - Page 252
right front door to release the density and registration shutter. Remove the density and registration sensor assembly from the printer. When removing the density and registration sensor assembly, do not damage the sensor shutter where it contacts the front right door shutter lever (make sure you re - HP Color LaserJet 9500 | Service Manual - Page 253
Right back fan 1 Remove the following covers: z Right upper cover. See page 196. z Right back cover. See page 213. 2 Disconnect one connector (callout 1) and unclip one wire clip (callout 2). 3 Remove one screw (callout 3) and one metal harness retainer (callout 4). 4 Remove two screws (callout 5). - HP Color LaserJet 9500 | Service Manual - Page 254
Right front fan 1 Remove the following covers: z Right upper cover. See page 196. z Right back cover. See page 213. 2 Disconnect one connector (callout 1) and Unclip one wire clip (callout 2). 3 Remove one screw (callout 3) and one metal harness retainer (callout 4). 4 Remove two screws (callout 5). - HP Color LaserJet 9500 | Service Manual - Page 255
transfer assembly (T2) 1 Remove the following FRUs: z Four process cartridges. See page 189. z Transfer roller. See page 193. z Duplexer. See page 244. z Fuser. See page 245. z Intermediate transfer belt. See page 246. Hint Removing the front right door might make it easier to remove the secondary - HP Color LaserJet 9500 | Service Manual - Page 256
Note 4 Remove the link cover (callout 5). The green lever must be up. 5 Figure 173. Remove the T2 link cover 5 Slide the spring (callout 6) off the shaft to the left and out of the chassis. 6 Figure 174. Remove the T2 cam spring 6 Lower the green handle. 254 Chapter 6 Removal and replacement - HP Color LaserJet 9500 | Service Manual - Page 257
CAUTION 7 Remove the cable cover by pinching its sides (callout 7). Make sure to remove the cable cover carefully, because the cables are retained in the channel on the right side of the cover. 7 Figure 175. Remove the T2 wire harness cover 8 Disconnect one connector (callout 8), and remove two - HP Color LaserJet 9500 | Service Manual - Page 258
CAUTION 9 Remove the closest link (callout 11) first. Remove the link by unsnapping the plastic collar and sliding the link out. This link (callout 11) is not captive This link is not included when ordering a replacement or exchange secondary transfer assembly. Do not lose this link. 10 Remove the - HP Color LaserJet 9500 | Service Manual - Page 259
: a Position yourself on the right (ITB access) side of the printer. b Grasp the secondary transfer assembly with both hands. c Rotate the the links. z Make sure that the four links are reinstalled correctly and functioning properly. Test this by gently rotating the green lever to verify that motion - HP Color LaserJet 9500 | Service Manual - Page 260
Pickup unit 1 Remove the following covers: z Right upper cover. See page 196. z Back cover. See page 214. 2 Open the right lower door assembly, and remove one screw (callout 1) on the retaining strap of the right lower door assembly. 1 Figure 179. Release the right lower door 3 Remove the right - HP Color LaserJet 9500 | Service Manual - Page 261
4 Remove one screw (callout 2). Lift the right front cover (callout 3) up and then away from the printer. 2 3 Figure 181. Remove the right front cover 5 Open the ITB door. Figure 182. Open the ITB door ENWW Chapter 6 Removal and replacement 259 - HP Color LaserJet 9500 | Service Manual - Page 262
6 Remove seven screws (callout 4). 7 Remove the shield (callout 5). 4 Figure 183. 5 Remove the wire harness shield 8 Disconnect one cable connector (callout 6), and unclip one wire harness (callout 7). 9 Push the spring-loaded door rod down and to the back to remove it from the bracket (callout - HP Color LaserJet 9500 | Service Manual - Page 263
10 Close the right upper door. Figure 185. Gain access to the ITB door mounting screws 11 Remove three screws (callout 9). 12 Open the right upper door slightly and remove the bracket (callout 10). Figure 186. Remove the ITB door 9 10 ENWW Chapter 6 Removal and replacement 261 - HP Color LaserJet 9500 | Service Manual - Page 264
remove it. 14 Remove tray 2 and tray 3. 15 Remove two screws (callout 11) on the front of the printer. 16 Unhook the tab (callout 12) and disconnect the hook (callout 13). 17 Remove the lower right corner cover. 11 12 13 Figure 187. Remove - HP Color LaserJet 9500 | Service Manual - Page 265
19 Remove three screws (callout 14) and remove the right lower cover (callout 15). 14 15 Figure 189. Remove the right lower cover 20 Remove one screw (callout 16) and remove the door stop (callout 17). Hint Make sure that you orient the door stop correctly when you reinstall it. 17 16 Figure - HP Color LaserJet 9500 | Service Manual - Page 266
21 Remove four screws (callout 18) on the front of the printer. 18 Figure 191. Remove the tray guide mounting screws 22 Remove the tray 2 and tray 3 cassette guides. Figure 192. Remove the tray guides 264 Chapter 6 Removal and replacement ENWW - HP Color LaserJet 9500 | Service Manual - Page 267
23 Remove five screws (callout 19), disconnect two connectors (callout 20), and disconnect two wire clips (callout 21). 21 19 20 Figure 193. Disconnect the pickup unit connectors 24 Remove the pickup unit. Note You might need to use a slight amount of force when pulling out the pickup unit. - HP Color LaserJet 9500 | Service Manual - Page 268
1 Remove the right upper cover. See page 196. 2 Remove the white, plastic cover labeled "Up" (callout 1). 1 Figure 195. Remove the temperature and humidity sensor cover 3 Remove one screw (callout 2), and disconnect one connector (callout 3). 2 3 Figure 196. Remove the temperature and humidity - HP Color LaserJet 9500 | Service Manual - Page 269
screws around the high-voltage power supply. All of the high-voltage power supply mounting screws are black. 1 3 2 1 1 Figure 197. Remove the high-voltage power supply 3 Rotate the top of the high-voltage power supply outward. 4 Shift the high-voltage power supply to one side until the pivot - HP Color LaserJet 9500 | Service Manual - Page 270
two wire clips (callout 1), and remove one screw (callout 2). 2 1 Figure 198. Disconnect the low-voltage power supply 3 Remove four screws (callout 3). 3 Figure 199. Remove the low-voltage power supply 4 Remove the low-voltage power supply. 268 Chapter 6 Removal and replacement ENWW - HP Color LaserJet 9500 | Service Manual - Page 271
Registration assembly 1 Remove the following FRUs: z Pickup unit. See page 258. z High-voltage power supply. See page 267. 2 Disconnect one connector (callout 1) and remove three screws (callout 2). Hint Mark the screw holes on the chassis before removing the screws. 2 1 Figure - HP Color LaserJet 9500 | Service Manual - Page 272
5 Remove two covers (callout 4). 4 Figure 202. Remove two wire harness covers 6 Open the front doors. Figure 203. Gain access to the green ITB release lever 270 Chapter 6 Removal and replacement ENWW - HP Color LaserJet 9500 | Service Manual - Page 273
7 Push the green handle down. Figure 204. Lower the ITB release lever 8 Use the following steps to remove the right back ITB lift link: CAUTION Do not remove the e-ring (callout 5) from the claw assembly. a Remove the retainer clip and washer by using needlenose pliers (callout 6). b Use a small - HP Color LaserJet 9500 | Service Manual - Page 274
CAUTION c Slide the right back ITB lift link to the left and off. Make sure that you do not bend the right back ITB lift claw by pulling out too far. Figure 206. Remove the right back ITB lifting link 9 Disconnect one wire connector (callout 8). 10 Remove the registration drive assembly (callout - HP Color LaserJet 9500 | Service Manual - Page 275
11 Remove two screws (callout 10). 10 Figure 208. Remove the registration assembly plate mounting screws 12 Slide the plate toward the back of the printer. Figure 209. Remove the registration assembly plate (1 of 2) ENWW Chapter 6 Removal and replacement 273 - HP Color LaserJet 9500 | Service Manual - Page 276
it toward the front of the printer, and remove it. Figure 210. Remove the registration assembly plate (2 of 2) 14 Remove three screws (callout 11). CAUTION Make sure that the black process cartridge (image drum) is removed. The handle of a long-blade screw driver can damage the process cartridge - HP Color LaserJet 9500 | Service Manual - Page 277
15 Disconnect two connectors (callout 12). 12 Figure 212. Disconnect the registration assembly connectors 16 Lift the front of the registration assembly and unhook two white claws (callout 13). 17 Remove the registration assembly. 13 Figure 213. Remove the registration assembly To reinstall z - HP Color LaserJet 9500 | Service Manual - Page 278
Note Delivery fan 1 Remove the back cover. See page 214. 2 Disconnect one connector (callout 1). 3 Pry the two hooks (callout 2) away from the delivery fan. If you need to remove the duct, remove one screw (callout 3) and unhook the duct from the chassis. A long-shaft screwdriver might be needed. 1 - HP Color LaserJet 9500 | Service Manual - Page 279
1 Remove the back cover. See page 214. 2 Disconnect one connector (callout 1). 3 Pry the two hooks (callout 2) away from the fuser fan. 1 3 2 Figure 215. Remove the fuser fan 4 Remove the fuser fan. Note If you need to remove the duct, remove one screw (callout 3) and unhook the duct from the - HP Color LaserJet 9500 | Service Manual - Page 280
process cartridges (image drums) before removing the P-crg drive assembly. See page 189. 1 Remove the following covers and FRUs: z Back cover. See page 214. z Intermediate transfer belt. See page 246. z Delivery fan. See page 276. z Fuser fan and duct. See page 277. z High voltage power supply. See - HP Color LaserJet 9500 | Service Manual - Page 281
CAUTION 3 Use the following steps to remove the right back ITB lift link: Do not remove the e-ring (callout 5) from the cam assembly. a Remove the retainer clip and washer by using needlenose pliers (callout 3). b Use a small flatblade screwdriver to lift and unclip the retaining claw (callout 4) - HP Color LaserJet 9500 | Service Manual - Page 282
CAUTION 4 Disconnect the P-crg drive assembly connectors (callout 6; ribbon cables are not shown). Unhook the wire clips as required. Make sure that you remove the P-crg drive assembly connectors carefully. The connectors and ribbon cables can break easily, particularly the three lead connectors - HP Color LaserJet 9500 | Service Manual - Page 283
CAUTION The P-crg drive assembly is heavy. Place the assembly upside-down on a table to avoid damage to the assembly. Do not bend the high-voltage leaf spring on the backside of the assembly. 6 Lift the P-crg drive assembly off of the retaining hooks and remove it. 7 Print a laser/scanner - HP Color LaserJet 9500 | Service Manual - Page 284
assembly. See page 187. 1 Remove the following covers and FRUs: z Back cover. See page 214. z Delivery fan and fan duct. See page 276. z Fuser fan and duct. See page 277. 2 Remove three screws (callout 1). Disconnect two flat cables from the cable channel to the P-crg assembly (callout 2). Move the - HP Color LaserJet 9500 | Service Manual - Page 285
CAUTION 3 Disconnect all cable connectors except J813, J814, and J802. Remove 10 screws (callout 3). Make sure that the T-crg drive assembly cable connectors are removed carefully. The connectors can break easily. Make sure that you remove the T-crg drive assembly connectors carefully. The - HP Color LaserJet 9500 | Service Manual - Page 286
Fuser motor 1 Remove the back cover. See page 214. 2 Remove three screws (callout 1), and disconnect one connector (callout 2). Figure 223. Remove the fuser motor 3 Remove the fuser motor. 1 2 284 Chapter 6 Removal and replacement ENWW - HP Color LaserJet 9500 | Service Manual - Page 287
and FRUs: z Back cover. See page 214. z Fuser motor. See page 284. z Formatter cage. See page 289. z High voltage contact. See page 291. 2 Remove four screws (callout 1). 1 Figure 224. Remove the fuser drive assembly mounting screws 3 Remove the fuser drive assembly. ENWW Chapter 6 Removal and - HP Color LaserJet 9500 | Service Manual - Page 288
CAUTION DC controller 1 Remove the back cover. See page 214. 2 Disconnect all of the connectors on the board. Make sure that you remove the DC controller connectors carefully. The connectors and ribbon cables can break easily. Pull each wire with equal force and make sure to pull the connectors - HP Color LaserJet 9500 | Service Manual - Page 289
correct location, and that they are centered correctly into the connector. Not centering the cables and the FFCs correctly can cause motor, consumables, and other error messages. Make sure that the FFC does not back out of the connector when the retaining clip is fastened. CAUTION One of the FFC - HP Color LaserJet 9500 | Service Manual - Page 290
Formatter PCB 1 Remove eight screws (callout 1). 1 Figure 229. Remove the formatter PCB mounting screws 2 Remove the formatter PCB. Figure 230. Remove the formatter PCB 288 Chapter 6 Removal and replacement ENWW - HP Color LaserJet 9500 | Service Manual - Page 291
Formatter cage 1 Remove the following covers and FRUs: z Back cover. See page 214. z DC controller. See page 286. z Formatter PCB. See page 288. 2 Remove three screws (callout 1). 1 Figure 231. Remove the formatter cage mounting screws 3 Unclip six wire harnesses (callout 2). 2 Figure 232. - HP Color LaserJet 9500 | Service Manual - Page 292
Note 4 Reach inside the formatter cage and squeeze the formatter connector locking tabs. Push the connector out of the cage. Do not pull the cable connector too hard. Figure 233. Unplug the formatter PCB connector 5 Remove six screws (callout 4). 4 Figure 234. Remove the formatter cage - HP Color LaserJet 9500 | Service Manual - Page 293
Note High-voltage contact 1 Disconnect one connector (callout 1), and remove three screws (callout 2). In this picture, the formatter cage is removed so that you can see the screws more easily. Removing the formatter cage is not required to remove the high-voltage contact. It is, however, much - HP Color LaserJet 9500 | Service Manual - Page 294
Post charger power supply 1 Remove the back cover. See page 214. 2 Disconnect two connectors (callout 1). 1 Figure 236. Disconnect the post charger connectors 3 Remove the shield (callout 2). 2 Figure 237. Remove the cable shield 292 Chapter 6 Removal and replacement ENWW - HP Color LaserJet 9500 | Service Manual - Page 295
4 Remove one screw (callout 3). 3 Figure 238. Remove the post charger mounting screw 5 Lift up the post charger slightly and remove it. ENWW Chapter 6 Removal and replacement 293 - HP Color LaserJet 9500 | Service Manual - Page 296
Tray 1 pickup roller 1 Open the ITB door. 2 Unhook one claw (callout 1), slide the roller holder (callout 2), and remove the tray 1 pickup roller (callout 3). 3 2 1 Figure 239. Remove the tray 1 pickup roller 294 Chapter 6 Removal and replacement ENWW - HP Color LaserJet 9500 | Service Manual - Page 297
Tray 1 separation pad 1 Remove the ITB door. 2 Remove the tray 1 pickup roller. See page 294. 3 Unhook two claws (callout 1), and remove the pad cover (callout 2). 1 2 Figure 240. Unhook the tray 1 separation pad 4 Unhook two claws (callout 3), and remove the separation pad (callout 4). 4 3 - HP Color LaserJet 9500 | Service Manual - Page 298
Left door switch 1 Remove the left front door. See page 203. 2 Remove the ITB cleaner 3 Open the drum door. 4 Remove three screws (callout 1), and remove the inner cover (callout 2). 2 1 Figure 242. Remove the left door switch cover 5 Remove two screws (callout 3), disconnect one - HP Color LaserJet 9500 | Service Manual - Page 299
3). 3 1 2 Figure 244. Remove the right door switch mounting screws Hint It is easiest to reconnect the connector before fastening the right door switch to the printer chassis. ENWW Chapter 6 Removal and replacement 297 - HP Color LaserJet 9500 | Service Manual - Page 300
Unhook five claws (callout 1), and remove one cable cover (callout 2). 2 1 Figure 245. Unhook the ITB sensor cable cover 3 Disconnect one connector (callout 3), and remove the ITB sensor (callout 4). 3 4 Figure 246. Disconnect the ITB sensor connector 298 Chapter 6 Removal and replacement ENWW - HP Color LaserJet 9500 | Service Manual - Page 301
Upper left door sensor 1 Remove the delivery unit. See page 235. 2 Disconnect one connector (callout 1), and remove the upper left door sensor (callout 2). 1 2 Figure 247. Disconnect the upper left door sensor ENWW Chapter 6 Removal and replacement 299 - HP Color LaserJet 9500 | Service Manual - Page 302
2), and remove the fuser front guide (callout 3). 1 3 2 Figure 248. Remove the fuser front paper sensor mounting screws 3 Disconnect one connector (callout 4), and remove the fuser front paper sensor (callout 5). 4 5 Figure 249. Disconnect the fuser front paper sensor 300 Chapter 6 Removal - HP Color LaserJet 9500 | Service Manual - Page 303
1), and remove the fuser sensor bracket (callout 2). 1 2 Figure 250. Remove the fuser sensor PCA mounting screws 4 Disconnect one connector (callout 3), remove two screws (callout 4), and remove the fuser sensor PCA (callout 5). 4 3 5 Figure 251. Disconnect the fuser sensor PCA ENWW Chapter - HP Color LaserJet 9500 | Service Manual - Page 304
302 Chapter 6 Removal and replacement ENWW - HP Color LaserJet 9500 | Service Manual - Page 305
failures 329 Image formation and print-quality troubleshooting tools 330 Print-quality problems associated with the environment 330 Reseating consumables 330 Cleaning the post charger 330 Cleaning the post charger 330 Cleaning the fuser input 330 Print-quality troubleshooting pages 330 - HP Color LaserJet 9500 | Service Manual - Page 306
367 Toner halos or explosions occur around solid secondary colors 368 Control panel print-quality adjustments 370 Media and paper-path troubleshooting tools 373 Paper path jam sensors 373 Determine the problem source: print media or printer 378 Using the straightest paper path 379 Determine if - HP Color LaserJet 9500 | Service Manual - Page 307
configuration 436 Verify network and server operation 436 Jetdirect page 437 Tray 4 troubleshooting tools 438 Tray 4 diagnostics label 438 Tray 4 motor test 438 Tray 4 standalone running test 438 Tray 4 sensor test 439 Tray 4 light pattern interpretation 440 Tray 4 does not print media - HP Color LaserJet 9500 | Service Manual - Page 308
, identifying, and correcting problems with the HP color LaserJet 9500 series printer. This printer is designed for effective technician-supported, over-the-phone diagnosis. Always check online data bases for updates on known issues and troubleshooting methods. Troubleshooting process The list below - HP Color LaserJet 9500 | Service Manual - Page 309
Table 52. Pre-troubleshooting checklist (continued) Cover and doors z Are the covers and doors closed? z Are the front doors, the image drum door, right upper (ITB) door, left upper door, left lower (fuser access) door, paper-path access door, and right lower door closed correctly at power on? z - HP Color LaserJet 9500 | Service Manual - Page 310
. Control panel checks It is important to have the control panel functional as soon as possible in the troubleshooting process so that the printer diagnostics can be used to assist in locating printing errors. The control panel should show READY, PAUSED, or POWERSAVE ON. For information about - HP Color LaserJet 9500 | Service Manual - Page 311
and electrical troubleshooting tools Diagnosing and troubleshooting the HP color LaserJet 9500 is similar to the procedures for other laser jet printers. For the HP color LaserJet 9500, there are some complications because there are four print cartridges and four image drums. Engine diagnostic - HP Color LaserJet 9500 | Service Manual - Page 312
image drum) drive test only turns the image drums that are removed to avoid ITB damage. Disable cartridge test The disable cartridge test can be used for eliminating drum mechanics, diagnosis of color planedependent problems and all repeating defects, and noise problems. This test checks the printer - HP Color LaserJet 9500 | Service Manual - Page 313
selected: 1 Press the CANCEL JOB button. 2 Use or to scroll to EXIT DIAGNOSTICS, and then press . 3 The printer will re-boot. Sensor test (interactive) The sensor test can be used to determine if a bad sensor is causing a problem. If a tray is out and causes a warning message, the message covers the - HP Color LaserJet 9500 | Service Manual - Page 314
manually toggled, the control panel shows the sensors going from ON to OFF, and then from OFF to ON. If it is difficult to see the control panel message when toggling the sensors, remove the control panel so it hangs in front of the printer , and then press . 312 Chapter 7 Troubleshooting ENWW - HP Color LaserJet 9500 | Service Manual - Page 315
all of the printer components are installed. 2 Remove the toner collection bottle and the cleaning blade. 3 Replace the toner collection bottle without the cleaning blade. 4 Remove the four image drums. 5 Defeat the ITB from the front or the right side of the printer. Chapter 7 Troubleshooting 313 - HP Color LaserJet 9500 | Service Manual - Page 316
the motors and drive assemblies are working correctly, and to isolate image drum and image drum drive assembly problems. Interface problems can be easily detected, and the image drum motors test is helpful when the back of the printer is removed to check the motors and drive assemblies. This test - HP Color LaserJet 9500 | Service Manual - Page 317
easily detected, and the developer motors test is helpful when the back of the printer is removed to check the motors and drive assemblies. This test can also help isolate image drum and image drum drive assembly problems. Each motor is turned in sequence for approximately 10 seconds. For the print - HP Color LaserJet 9500 | Service Manual - Page 318
each of the four laser scanner assemblies individually for correct functionality. 1 Press to open the menus. 2 Use or to printer will re-boot. Pressing the CANCEL JOB button cancels the test. Component test: Fuser motor test The fuser motor test can be used to test the fuser Troubleshooting ENWW - HP Color LaserJet 9500 | Service Manual - Page 319
the test: 1 Use or to scroll to EXIT DIAGNOSTICS, and then press . 2 The printer will re-boot. Pressing the CANCEL JOB button cancels the test. Component test: Tray 2 , and then press . 2 The printer will re-boot. Pressing the CANCEL JOB button cancels the test. ENWW Chapter 7 Troubleshooting 317 - HP Color LaserJet 9500 | Service Manual - Page 320
to exit the test: 1 Use or to scroll to EXIT DIAGNOSTICS, and then press . 2 The printer will re-boot. Pressing the CANCEL JOB button cancels the test. Component test: Registration test The registration test . 4 Use or to scroll to REGISTRATION, and then press . 318 Chapter 7 Troubleshooting ENWW - HP Color LaserJet 9500 | Service Manual - Page 321
be used to test the face-up solenoid (SL2) for correct functionality. 1 Disable the interlocks on the left side (fuser access) door. 2 Use or to scroll to DIAGNOSTICS, and then press . 2 The printer will re-boot. Pressing the CANCEL JOB button cancels the test. ENWW Chapter 7 Troubleshooting 319 - HP Color LaserJet 9500 | Service Manual - Page 322
at mid-fuser z 8,500 milliseconds: Two-thirds of ITB image cleaned z 12,500 milliseconds: Page partially delivered to face-down output tray To adjust the delay times, one millisecond equals about 0.14 to 0.15 mm (66 milliseconds for 10 mm) of image or media travel. 6 When the printer stops, remove - HP Color LaserJet 9500 | Service Manual - Page 323
252. Engine test button Engine test print page The engine test print page verifies that the print engine is functioning correctly. This test is very useful for isolating printer problems because the formatter is completely bypassed during an engine test. The engine test print prints a full page of - HP Color LaserJet 9500 | Service Manual - Page 324
of the printer. If the LED is off, the formatter hardware is not seated correctly or is not functioning correctly. Re-seat the formatter hardware. If the LED is flashing, the formatter is functioning correctly. Look in other areas for the cause of the problem. 322 Chapter 7 Troubleshooting ENWW - HP Color LaserJet 9500 | Service Manual - Page 325
Configuration page z HP Jetdirect page z Supplies status pages z File directory page z Usage page For a complete list of the printer information pages, print printer settings, to help troubleshoot printer problems, or to verify installation of optional accessories, such as memory (DIMMs) and printer - HP Color LaserJet 9500 | Service Manual - Page 326
page, which contains information about the following attributes: A. Printer information (the "Printer Number" is the DC controller firmware version, and Color plane registration marks H. EP parameters A D B E C F H G Figure 254. Sample configuration page 324 Chapter 7 Troubleshooting ENWW - HP Color LaserJet 9500 | Service Manual - Page 327
pages Use the supplies status pages to view the current printer supply status, to help troubleshoot printer problems, or to verify printer information. Supplies page 1 elements A. Ordering information B. Print cartridge information C. Image drum information D. Recycling information A B C Figure - HP Color LaserJet 9500 | Service Manual - Page 328
Supplies page 2 elements A. Ordering information B. Image transfer kit information C. Image cleaning kit information D. Image fuser kit information E. Recycling information A B C D E Figure 256. Sample supplies status page (2 of 2) 326 Chapter 7 Troubleshooting ENWW - HP Color LaserJet 9500 | Service Manual - Page 329
HP Web Jetadmin) to determine how many simplex or duplex pages of each media size have been scanned on the copy module and printed on the printer . Average toner coverage is approximated by counting pixels. Jams are not counted. The data cannot be reset manually, and Troubleshooting 327 - HP Color LaserJet 9500 | Service Manual - Page 330
File directory page Use the file directory page to view current directory structures, to help troubleshoot printer problems, or to verify storage capabilities. File directory page elements A. Directory information A Figure 258. Sample file directory page 328 Chapter 7 Troubleshooting ENWW - HP Color LaserJet 9500 | Service Manual - Page 331
the image drum door). 2 Reseat the consumables. 3 Check for poor contact or corrosion on the consumable and on the door connections. 4 Reseat the connectors, particularly the FFCs, after servicing the printer. 5 Turn the printer on again. Signs that a bad connection might exist include: z sensor - HP Color LaserJet 9500 | Service Manual - Page 332
functionality of all of the consumables for the HP color LaserJet 9500 is dependent on correct seating to provide high-voltage continuity and correct registration. Turn off the printer and reseat the consumables if you suspect high-voltage contact problems or part registration problems. Cleaning - HP Color LaserJet 9500 | Service Manual - Page 333
The print-quality troubleshooting pages include: z two instruction pages z five target pages z one demonstration page z one configuration page Figure 259. Print-quality assessment page (1 of 2) ENWW Chapter 7 Troubleshooting 331 - HP Color LaserJet 9500 | Service Manual - Page 334
Figure 260. Print-quality assessment page (2 of 2) 332 Chapter 7 Troubleshooting ENWW - HP Color LaserJet 9500 | Service Manual - Page 335
Rulers Fuser ghost bar Numbered pages CPR gauges OPC ghost bar Figure 261. Print-quality assessment page attributes ENWW Chapter 7 Troubleshooting 333 - HP Color LaserJet 9500 | Service Manual - Page 336
more information. Highvoltage arcing Figure 262. Color band test page Printing a color band test 1 Press to open the is functioning correctly, and is helpful in troubleshooting print-quality problems. that the print cartridges are installed in the printer. Note Make sure that the tray switch - HP Color LaserJet 9500 | Service Manual - Page 337
assessing and correcting color plane registration problems. Note This procedure driver roller 100 mm (3.93 inches) Cleaning backing roller 100 mm (3.93 inches) Space between T1s 100 mm (3.93 inches) Fuser bottom 140 mm (5.51 inches) Fuser top 148 mm (5.83 inches) Chapter 7 Troubleshooting - HP Color LaserJet 9500 | Service Manual - Page 338
fused See "Missing color See "Blank" on page See "Hand or See "Fine, yellow image" on page 362 plane" on page 364. 365. fingerprints" on page dot background" on 365. page 367. See "Toner halos or explosions occur around solid secondary colors" on page 368. 336 Chapter 7 Troubleshooting ENWW - HP Color LaserJet 9500 | Service Manual - Page 339
Repeating marks (98 mm) Figure 264. Repeating marks (98 mm) ENWW Chapter 7 Troubleshooting 337 - HP Color LaserJet 9500 | Service Manual - Page 340
Repeating marks (45 mm) Figure 265. Repeating marks (45 mm) 338 Chapter 7 Troubleshooting ENWW - HP Color LaserJet 9500 | Service Manual - Page 341
of the OPC or the surface of the OPC is damaged. 2 Print a set of print-quality troubleshooting pages to isolate the problem to a single color plane. Replace the image drum for the indicated color. Marks repeat every 45 mm Contaminant is stuck to the 1 surface of the primary charging roller - HP Color LaserJet 9500 | Service Manual - Page 342
cannot be cleaned, replace the fuser assembly. Marks repeat Contamination exists on parallel to the the post T2 static charge feed direction eliminating comb (fuser several times on inlet). a page, but with no regular frequency Note Always troubleshoot the other components in the printer for the - HP Color LaserJet 9500 | Service Manual - Page 343
Lines and bands appear perpendicular to feed direction Figure 266. Lines and bands ENWW Chapter 7 Troubleshooting 341 - HP Color LaserJet 9500 | Service Manual - Page 344
is stuck to 1 the surface of the upper fuser roller, or the surface of the upper fuser roller is 2 damaged. Print a set of print-quality troubleshooting pages to isolate the problem to a single color plane. Replace the image drum for the indicated color. Partially remove the ITB and check the - HP Color LaserJet 9500 | Service Manual - Page 345
of gloss or density differences repeating at fuser frequency (149 mm or 140 mm) Band (scan direction 2 3 A flat spot on the fuser 1 roller is caused by unplugging the printer 2 (rather than using the power button cause of the power interruption. Replace the fuser. Replace the ITB. Dark lines 3 to - HP Color LaserJet 9500 | Service Manual - Page 346
Lines, streaks or scratches appear parallel to feed direction Figure 267. Lines, streaks, or scratches appear parallel to feed direction (1 of 2) 344 Chapter 7 Troubleshooting ENWW - HP Color LaserJet 9500 | Service Manual - Page 347
. 1 Print a set of print-quality troubleshooting pages to isolate the problem to a single color plane. 2 Remove the laser assembly and the image drum for the indicated color. 3 Use a flashlight to examine the area above the toner cartridge area. Carefully clean the area and remove any obstructions - HP Color LaserJet 9500 | Service Manual - Page 348
. Note Always troubleshoot the other components in the printer for the original cause of the contamination or roller damage before installing a new fuser assembly. z Replace the ITB. 1 Clean the post charger assembly. 2 Check the high-voltage path from the post charger power supply to the post - HP Color LaserJet 9500 | Service Manual - Page 349
toner This usually occurs on 1 very heavy media. Warm, still toner is scratched by media guide ribs. 2 Try a different type of media. Print a darker fill or a different pattern . 4 If duplexing, consider manual duplex. 5 Try printing to the face-up bin. ENWW Chapter 7 Troubleshooting 347 - HP Color LaserJet 9500 | Service Manual - Page 350
Diagonal bands or lines Figure 269. Diagonal bands or lines 348 Chapter 7 Troubleshooting ENWW - HP Color LaserJet 9500 | Service Manual - Page 351
sets of print-quality troubleshooting pages to try to fix the problem. If this does not work, it isolates the problem to a single color plane. 2 Reseat the image drum that matches the diagonal band pattern color. 3 Check the high-voltage power supply and connections to the image drum. Check for good - HP Color LaserJet 9500 | Service Manual - Page 352
Light or faint image and dropouts Figure 270. Light or faint image and dropouts 350 Chapter 7 Troubleshooting ENWW - HP Color LaserJet 9500 | Service Manual - Page 353
sensor window for blockage or contamination, and then select CALIBRATE NOW on the control panel. power supply is defective. Note Calibration errors are not reported as errors on the control panel. 5 If the problem is severe, replace the image drum that appears on the print-quality troubleshooting - HP Color LaserJet 9500 | Service Manual - Page 354
window for blockage or contamination, and select CALIBRATE NOW on the control panel. Check the bias contacts between the secondary transfer roller and the high-voltage power supply. Clean or repair them if necessary. z The secondary 6 Check the event log for calibration errors, and troubleshoot - HP Color LaserJet 9500 | Service Manual - Page 355
best to try other media types first because this is a universal setting that applies to all pages printed regardless of the media type. ENWW Chapter 7 Troubleshooting 353 - HP Color LaserJet 9500 | Service Manual - Page 356
of print-quality troubleshooting pages to isolate the contact exists. problem to a single color plane. z An image drum 2 cleaning brush failure exists because of bad connection or 3 toner overload. z The OPC or carrier has deteriorated. 4 z The high-voltage power supply is 5 defective - HP Color LaserJet 9500 | Service Manual - Page 357
Color plane misregistration Figure 272. Color plane misregistration ENWW Chapter 7 Troubleshooting 355 - HP Color LaserJet 9500 | Service Manual - Page 358
is 4 defective. Reseat the image drum for the misregistered color. Check the event log for calibration failures, and check the density calibration sensor window for blockage or contamination. Make sure that the sensor window cleaning mechanism is functioning correctly. z A laser scanner is - HP Color LaserJet 9500 | Service Manual - Page 359
color. Check the high-voltage contacts between the image drum and the print engine. Check for continuity back to the highvoltage power supply. Replace the image drum for the indicated color. Replace the high-voltage power supply. waves, similar to brush marks, in it Chapter 7 Troubleshooting - HP Color LaserJet 9500 | Service Manual - Page 360
Ghosted image (98 mm) Figure 274. Ghosted image (98 mm) 358 Chapter 7 Troubleshooting ENWW - HP Color LaserJet 9500 | Service Manual - Page 361
Ghosted image (140 mm) Figure 275. Ghosted image (140 mm) ENWW Chapter 7 Troubleshooting 359 - HP Color LaserJet 9500 | Service Manual - Page 362
print-quality troubleshooting page. 2 For an OPC ghost, remove and reseat the image drum for the indicated color. 3 Check the high-voltage contacts between the image drum and the print engine back to the high-voltage power supply. 4 Replace the image drum for the indicated color. 5 Replace the - HP Color LaserJet 9500 | Service Manual - Page 363
. Feed media from different trays to isolate the problem. z The DC controller PCA is faulty. 5 If the problem can be isolated to a single color plane with the print-quality troubleshooting pages, reseat the image drum for the indicated color. 6 Replace the indicated laser scanner if necessary - HP Color LaserJet 9500 | Service Manual - Page 364
Poorly fused image Figure 277. Poorly fused image (1 of 2) 362 Chapter 7 Troubleshooting ENWW - HP Color LaserJet 9500 | Service Manual - Page 365
Figure 278. Poorly fused image (2 of 2) Table 67. Poorly fused image Description Possible causes Solution Image is poorly z fused the fuser. z The fuser is faulty or 4 Replace the low-voltage power supply. damaged. z The low-voltage power supply is faulty. ENWW Chapter 7 Troubleshooting 363 - HP Color LaserJet 9500 | Service Manual - Page 366
troubleshooting pages to isolate the problem to a single color plane. Remove and reseat the image drum for the indicated color. Check the high-voltage contacts between the indicated image drum and the print engine back to the high-voltage power supply. Replace the image drum for the indicated color - HP Color LaserJet 9500 | Service Manual - Page 367
blank Possible causes z The high-voltage power supply is defective. z The DC controller PCA is defective. Solution 1 Print a set of print-quality troubleshooting pages to eliminate the possibility of a communication, driver, or software program problem. 2 If the blank pages persist, replace the - HP Color LaserJet 9500 | Service Manual - Page 368
by printing a few pages. Tell the customer to print 10 to 15 pages on lower-cost media, and to not touch the ITB. 366 Chapter 7 Troubleshooting ENWW - HP Color LaserJet 9500 | Service Manual - Page 369
background on all printed pages Possible causes Solution z The HP color If the 47 mm band countermeasure is undesirable, it can be turned LaserJet 9500 uses a off by using the control panel (CONFIGURE affect the life of the yellow print cartridge. halftone fill). Chapter 7 Troubleshooting 367 - HP Color LaserJet 9500 | Service Manual - Page 370
Toner halos or explosions occur around solid secondary colors Figure 283. Toner halos or explosions 368 Chapter 7 Troubleshooting ENWW - HP Color LaserJet 9500 | Service Manual - Page 371
for the media being used. Keep media wrapped until it is used. Select colors that are lower coverage (lighter and closer to primary). The customer might try and parts replacement (such as printer parts and consumables) will not alleviate toner explosions. ENWW Chapter 7 Troubleshooting 369 - HP Color LaserJet 9500 | Service Manual - Page 372
that the media being used is supported, and that the appropriate media type is specified from the control panel. T1 adjustment The HP color LaserJet 9500 features automatic color calibration to provide high-quality color output. In some situations, you can manually adjust the density balance of the - HP Color LaserJet 9500 | Service Manual - Page 373
mottled appearance on the leading edge. Try setting the printer to LEADING EDGE DOWN first. Depending on the type of LEADING EDGE DOWN/UP, and then press . High coverage 1 The HP color LaserJet 9500 implements a very fine yellow dot pattern that eliminates most banding associated Troubleshooting 371 - HP Color LaserJet 9500 | Service Manual - Page 374
causes image defects to appear on subsequent documents. Print two or three pages to clean the printer. If the problem persists, see the next section. z Print a fuser cleaning page. Press CONFIGURE DEVICE, then press PRINT QUALITY, and then press PROCESS CLEANING PAGE. 372 Chapter 7 Troubleshooting - HP Color LaserJet 9500 | Service Manual - Page 375
media handling can cause jams and image defects. Problems with print media are sometimes difficult to detect. Follow a standard troubleshooting procedure to help isolate media-related problems. Follow these steps: z Determine the problem source: print media or printer (page 378) z Isolate the source - HP Color LaserJet 9500 | Service Manual - Page 376
-down output sensor PS1501 Fuser output sensor Action for all media jams includes removing the media, checking the flags, testing the sensor with diagnostics, and checking the connectors from the sensor to the DC controller using the wiring diagram. The printer reports jams as 13 errors. These are - HP Color LaserJet 9500 | Service Manual - Page 377
area for jammed media. 2 If the job is multifeed, check for supported media, and check the pick, separation, and feed rollers in the fuser. 2 Check the three sensors for correct movement and functionality. 3 Make sure that the fuser, ITB, and T2 roller are seated correctly. Chapter 7 Troubleshooting - HP Color LaserJet 9500 | Service Manual - Page 378
for residual media inside and near the fuser. 3 Remove the fuser and check the exit sensor for correct movement and functionality. 4 Check the fuser rollers for damage and contamination. 5 Check the post fuser paper path for any obstruction. 6 Reseat the fuser. 376 Chapter 7 Troubleshooting ENWW - HP Color LaserJet 9500 | Service Manual - Page 379
area 13.10.00 JAM 2 Check the face-down and duplexer diverters INSIDE DUPLEXER for correct functionality. 3 Check the fuser and duplexer area feed roller driver trains. Lower left The switchback sensor detects Media 13.11.00 JAM 1 Remove the duplexer door media after a specified amount of - HP Color LaserJet 9500 | Service Manual - Page 380
media near the face-down output sensor. 2 Check for obstructions in the paper path. 3 Check the feed rollers and drive gear trains for damage. Determine the problem source: print media or printer When determining the cause of a printer failure, make a distinction between problems that relate to the - HP Color LaserJet 9500 | Service Manual - Page 381
, or another program. Make sure that the media is for laser or xerographic programs. z The transparencies that you are using are not designed for the HP color LaserJet 9500. Use only transparencies that are designed for HP color LaserJet printers. ENWW Chapter 7 Troubleshooting 379 - HP Color LaserJet 9500 | Service Manual - Page 382
printer. If the problem disappears, investigate storage and handling conditions. Isolate a media type When jams and other problems tray 3, or tray 4: reset the media guides in the correct position in the failing tray face-up bin z place the fuser levers in the up position and Troubleshooting ENWW - HP Color LaserJet 9500 | Service Manual - Page 383
colors are not what you expected when printed, select different colors in the software program or printer driver. z If you are using a reflective overhead projector and the images the HP LaserJet Printer Family Print Media Guide z the media is in poor condition z the printer needs to be cleaned If - HP Color LaserJet 9500 | Service Manual - Page 384
in the software program, but is set in the driver, the driver setting overrides the control panel settings. HP Web Jetadmin can override media types and sizes in certain conditions. See the HP LaserJet 9500 Series Printer User Reference Guide for more information. Clearing jams Open and close all - HP Color LaserJet 9500 | Service Manual - Page 385
problems might occur. See the HP LaserJet Printer Family Print Media Guide. 5 The printer might be dirty. See "Cleaning the printer and accessories" on page 93. Tests for troubleshooting paper-path problems , and then press . 5 Follow the printed instructions. ENWW Chapter 7 Troubleshooting 383 - HP Color LaserJet 9500 | Service Manual - Page 386
the printer is turned off and pressurizing when the printer is turned on. The sound might also occur after a media jam. The fuser rollers separate when the printer is turned off and after a jam to avoid flat spots on the fuser rollers and to facilitate clearing a jam. 384 Chapter 7 Troubleshooting - HP Color LaserJet 9500 | Service Manual - Page 387
the function of the key that was pressed. Error messages are limited to 19 seven-bit characters (or 9 two-byte characters) per line up, and to two lines. Unlike status and warning messages, error messages stop the printing process. The customer has to either fix the problem or give the printer - HP Color LaserJet 9500 | Service Manual - Page 388
for troubleshooting. The following items are tracked and shown on the event log: z critical errors (some errors that do not appear on the control panel) z jams z sensors sensing out of range z unexpected media size z complex pages z buffer overflow Print an event log The printer internal event - HP Color LaserJet 9500 | Service Manual - Page 389
starting on page 400. 1 Check the event log for specific error trends in the last 10,000 printed pages. 2 Ask the customer for any observed error trends. (For example, do jams tend to occur in a specific area of the printer?) 3 Record any specific error trends. ENWW Chapter 7 Troubleshooting 387 - HP Color LaserJet 9500 | Service Manual - Page 390
Sample event log page Figure 286. Sample event log page 388 Chapter 7 Troubleshooting ENWW - HP Color LaserJet 9500 | Service Manual - Page 391
. duplexer. 2 Make sure that the duplexer is for the HP color LaserJet 9500 (there should not be a fan installed in the duplexer). 3 Turn the printer on and check for other error messages. 4 Check the electrical contacts on the duplexer and on the printer for damage or obstructions. 5 Turn the - HP Color LaserJet 9500 | Service Manual - Page 392
: • Check the entire paper path for residual media, and remove any media that is found. • Check the paper-path sensors for correct movement and functionality. • Turn the printer off, remove all optional devices (such as EIOs, extra memory, finishing devices, and high-capacity inputs), and then turn - HP Color LaserJet 9500 | Service Manual - Page 393
on the T driver PCA. Close the right side lower door to continue printing. If the door was open when the printer was turned on, close the door, turn the printer off, and then turn the printer on again. Make sure that the interlock switch and the sensor flag are functioning correctly. Replace them - HP Color LaserJet 9500 | Service Manual - Page 394
turn the printer on again. 3 Make sure that the interlock switch and the sensor flag are functioning correctly. Replace them if necessary. "Left door switch" on page 296. 4 Check connector J3017 on the upper left door switch, intermediate connector J3016, and connector J821 on the T driver PCA - HP Color LaserJet 9500 | Service Manual - Page 395
HP Web Jetadmin to download or delete files and fonts (see the download cleaning kit. 7 Check connectors J1403, J1402, and J1401 on the waste sensor assembly; intermediate connector J3081; and connector J821 on the T driver PCA. 8 Replace the waste sensor assembly. ENWW Chapter 7 Troubleshooting - HP Color LaserJet 9500 | Service Manual - Page 396
error messages (continued) Message Description or explanation Recommended action INSTALL TRANSFER BELT INSTALL TRANSFER ROLLER z The ITB is not installed or cannot be 1 detected. 2 3 z The second transfer roller is not 1 installed, or there is a problem power supply. functionality, - HP Color LaserJet 9500 | Service Manual - Page 397
286. z The printer is waiting for media to be loaded in tray 1 for a manual feed. 1 error, press if the media you want is available in another tray. 3 Press to use a type and size that is available in another tray. 4 If the media is loaded in tray 1 but is not detected, check the tray 1 sensor - HP Color LaserJet 9500 | Service Manual - Page 398
off, and then turn the can no longer be used. printer on again to clear the error. z The requested operation could not be 1 performed. You might have attempted an illegal operation, such as trying to download a file to a nonexistent 2 directory. z The RAM disk has reached maximum 1 capacity - HP Color LaserJet 9500 | Service Manual - Page 399
C: J3047 • M: J3048 • Y: J3049 4 Replace the T driver PCA. See "Tcrg (print cartridge) drive assembly" on page 282. 5 Replace the DC controller PCA. See "DC controller" on page 286. z An error exists in the printer firmware z Resend a valid firmware image. upgrade. z The ROM disk had a critical - HP Color LaserJet 9500 | Service Manual - Page 400
. Alphabetical error messages the job. (The printer will not print until this step is followed.) If the media is landscape, the printer continues printing, but not closed completely. 1 Close the specified tray. 2 If this error appears with the tray installed correctly, check connector J52 for tray - HP Color LaserJet 9500 | Service Manual - Page 401
76. Alphabetical error messages ( driver. UNABLE TO STORE JOB z A job cannot be stored on the printer 1 The disk might be full. Try removing because of a memory, disk, or unneeded files from the disk. configuration problem. 2 Uncheck the hard disk in the driver. ENWW Chapter 7 Troubleshooting - HP Color LaserJet 9500 | Service Manual - Page 402
" on page 286. In the instance of a 10.90.YY error, the image drum is reporting toner concentration-to-carrier is very low. This error might occur when non-HP supplies are used. Make sure that the toner delivery system and shutters are functioning correctly. 400 Chapter 7 Troubleshooting ENWW - HP Color LaserJet 9500 | Service Manual - Page 403
the lower/ left door or the front doors. Removing the fuser might be helpful. Check the fuser output sensor (PS1501; see "Paper path jam sensors" on page 373) and its flag for correct functionality, and check the supporting connectors to the DC controller PCA. ENWW Chapter 7 Troubleshooting 401 - HP Color LaserJet 9500 | Service Manual - Page 404
sensor (PS901) within the specified time. z If this error reoccurs, it is a 13.09.00 INSIDE UPPER LEFT 2 DOOR error. sensor (PS901; see "Paper path jam sensors" on page 373) for correct functionality, and check the supporting connectors to the DC controller PCA. 402 Chapter 7 Troubleshooting - HP Color LaserJet 9500 | Service Manual - Page 405
error. 3 4 5 Remove the media from the fuser access area, the duplex diverter, or the face-down delivery area through the left lower door and the left upper door. Check the face-down sensor (PS901; see "Paper path jam sensors" on page 373) for correct functionality, and check the supporting - HP Color LaserJet 9500 | Service Manual - Page 406
unit. Clear the jam in the indicated area. Close the door so the printer attempts to clear the paper path. Make sure that the vertical transfer sensor is functional. If the error persists, replace the vertical transfer sensor. Replace the vertical transfer unit. Clear the jam in the indicated area - HP Color LaserJet 9500 | Service Manual - Page 407
sensors" on page 373) for correct functionality, and check the supporting connectors to the DC controller PCA. z A staple jam exists in the stapling unit. 1 Clear the jam. 2 Turn the printer off, and then turn the printer unit. 10 Replace the controller PCA. ENWW Chapter 7 Troubleshooting 405 - HP Color LaserJet 9500 | Service Manual - Page 408
assembly. 2 Clear the jam. Turn the printer off, and then turn the printer on again. 3 Clean the optical entry sensor. 4 Make sure that the entry sensor moves freely, and run the sensor check mode to test the entry sensor. 5 Calibrate the flipping sensor D/A clear. 6 Activate the reverse motor - HP Color LaserJet 9500 | Service Manual - Page 409
See "Supported media and capacity for input and output" on page 32. 3 Clear the jam. 4 Turn the printer off, and then turn the printer on again area. error. z A jam (delay jam) exists in the folding/booklet area. z Perform the steps for a 13.12.41 error. ENWW Chapter 7 Troubleshooting 407 - HP Color LaserJet 9500 | Service Manual - Page 410
if necessary. Check the duplex media path sensor (SR31; see "Paper path jam sensors" on page 373) for correct functionality, and check the supporting connectors to the DC controller PCA. If the error persists, replace the duplexer. See "Duplexer" on page 244. 408 Chapter 7 Troubleshooting ENWW - HP Color LaserJet 9500 | Service Manual - Page 411
area for residual media. 4 Check the ITB for media-caused damage. Replace the ITB if necessary. 5 Check the fuser input sensor (SR6; see "Paper path jam sensors" on page 373) for correct functionality, and check the supporting connectors to the DC controller PCA. ENWW Chapter 7 Troubleshooting 409 - HP Color LaserJet 9500 | Service Manual - Page 412
T2 input sensor (SR42), the fuser input sensor (SR6), and/or the fuser output sensor (PS1501) detect media when the printer doors are sensor (SR30; see "Paper path jam sensors" on page 373) for correct functionality, and check the supporting connectors to the DC controller PCA. If the error - HP Color LaserJet 9500 | Service Manual - Page 413
functionality (see "Paper path jam sensors" on page 373). Check the supporting connectors to the DC controller PCA. 20 INSUFFICIENT MEMORY z alternates with TO CONTINUE PRESS z This message indicates that more z data has been received from the computer than fits in the printer this error appears - HP Color LaserJet 9500 | Service Manual - Page 414
. 3 If the error does not clear, turn the printer off, and then turn the printer on again. 4 If the error persists, check the tray size sensor mechanisms, the registration sensor for correct functionality, and the supporting connectors to the DC controller PCA. 412 Chapter 7 Troubleshooting ENWW - HP Color LaserJet 9500 | Service Manual - Page 415
the media type for the tray. If the error does not clear, turn the printer off, and then turn the printer on again. 4 If the error persists, check the transparency sensor for correct functionality. Check connector J3032 on the transparency sensor, intermediate connector J3027, and connector J121 on - HP Color LaserJet 9500 | Service Manual - Page 416
and then turn the printer on again to possibly clear the error. Replace the fuser. Check the fuser/print engine electrical connectors J3019 for damage. Check connector J1501 on the fusing sensor PCA and connector J115 on the DC controller PCA. Check for a fuser drive or fuser motor failure. Replace - HP Color LaserJet 9500 | Service Manual - Page 417
assembly laser error CAUTION occurred. When servicing the printer with the top cover off, cover the top of the printer to X description prevent light leaks which might blind 1 = beam detect error the laser/scanner beam detect 2 = laser error sensors. Y description 0 = no color K = black - HP Color LaserJet 9500 | Service Manual - Page 418
error Y description 0 = no color K = black C = cyan M = magenta Y = yellow Recommended action CAUTION When servicing the printer with the top cover off, cover the top of the printer to prevent light leaks which might blind the laser/scanner beam detect sensors the T driver PCA. the T driver PCA. - HP Color LaserJet 9500 | Service Manual - Page 419
the DIMMs to a different slot. 53.XY.ZZ PRINTER ERROR z alternates with TO CONTINUE CYCLE POWER A problem exists with the printer memory. X DIMM type 1 = RAM z Turn the printer off, and then replace the DIMM that caused the error. Y device location 1 = DIMM slot 1 2 = DIMM slot 2 3 = DIMM slot - HP Color LaserJet 9500 | Service Manual - Page 420
components, image drum, and print cartridge for the missing or light color. Also, check for malformed or too light swatches, stray toner from cleaning failures, and ITB damage. Check connector J3014 at the density sensor, intermediate connector J3072 and J3080, and connector J808 on the T driver PCA - HP Color LaserJet 9500 | Service Manual - Page 421
image drum t/d ratio sensor 27 = ITB misalignment sensor 3 Print a laser alignment page to check for adjustable CPR problems. Note 4 27 = ITB misalignment sensor appears in the event log, but it might appear as a 54.00 error on the control panel. 5 28 = clean density/CPR sensor warning - HP Color LaserJet 9500 | Service Manual - Page 422
and registration sensor assembly" on page 248. 11 Replace the T driver PCA. See "Tcrg (print cartridge) drive assembly" on page 282. z 54.21, 54.22, 54.23, and 54.24 procedure 1 Turn the printer off, and then turn the printer on again to clear the error. 2 Check the indicated image drum for damaged - HP Color LaserJet 9500 | Service Manual - Page 423
.XX PRINTER ERROR (continued) 55.XX PRINTER ERROR alternates with TO CONTINUE CYCLE POWER 5 Replace the P driver PCA. See "P-crg (image drum) drive assembly" on page 278. 6 Replace the DC controller PCA. See "DC controller" on page 286. z 54.28 procedure 1 Make sure that the density/color sensor - HP Color LaserJet 9500 | Service Manual - Page 424
-path fan (FM2) 7 = fuser fan (FM4) 9 = ozone/exhaust fan (FM7) 4 5 6 7 Turn the printer off, and then turn the printer on again to clear the error. Turn the printer off and reseat the formatter. Print a configuration page to make sure that the formatter has the latest firmware image. If it does - HP Color LaserJet 9500 | Service Manual - Page 425
air temperature sensor 3 = CPU 3 4 = power supply 4 5 6 Turn the printer off, and then turn the printer on again to clear the error. If the error persists, reseat the print cartridges and the image drums. Check the PCA. See "DC controller" on page 286. ENWW Chapter 7 Troubleshooting 423 - HP Color LaserJet 9500 | Service Manual - Page 426
. HP color LaserJet 9500) 1 = motor startup error z Print cartridge motor errors 2 = motor rotation error (remove and shake) 3 = fuser motor startup error There are no 59 errors associated with 4 = fuser motor rotation error the print cartridge motor errors. When 5 = image drum motor - HP Color LaserJet 9500 | Service Manual - Page 427
then turn the printer on again to clear the error. 3 Remove and check the indicated image drum, and check the engine for damaged drive linkages. 4 Reseat the image drum. 5 Replace the image drum and the drive linkages if necessary. 6 Check connector J1 on the lowvoltage power supply, J210 and J202 - HP Color LaserJet 9500 | Service Manual - Page 428
) Message Explanation 59.XY PRINTER ERROR alternates with TO CONTINUE CYCLE POWER (continued) Recommended action 9 Check the color-appropriate connectors: • K: J610 and J613 on the P driver PCA, J701K for the encoder, and J3097 on the motor. • C: J607 and J614 on the P driver PCA, J701C for the - HP Color LaserJet 9500 | Service Manual - Page 429
to clear the error. 2 Remove and check the indicated image drum, and check the engine for damaged drive linkages. 3 Reseat the image drum and turn the printer on. 4 Use the hardware diagnostic tools from the control panel to test each motor for correct functionality. 5 Replace the image drum and the - HP Color LaserJet 9500 | Service Manual - Page 430
transfer roller and the cleaning blade/toner collection bottle. 7 Check connector J1 on the lowvoltage power supply, J210 and J202 on the high-voltage power supply, J608 and J612 on the P driver PCA, and J806 on the T driver PCA. 8 PCA (especially if the printer was recently serviced). ENWW - HP Color LaserJet 9500 | Service Manual - Page 431
driver T2 clutch error 1 Turn the printer off, and then turn the printer on again to clear the error. 2 Use the hardware diagnostic tools from the control panel to test each motor for correct functionality. 3 Remove and reseat the secondary transfer roller and the cleaning 7 Troubleshooting 429 - HP Color LaserJet 9500 | Service Manual - Page 432
error 1 occurred. 2 3 4 66.12.11 z A stapler carriage motor failure (M8) 1 OUTPUT DEVICE FAILURE occurred. 2 3 4 5 6 Check the indicated media tray for correct functionality 286. Turn the printer off, and then turn the printer on again to clear the error. Perform a Troubleshooting ENWW - HP Color LaserJet 9500 | Service Manual - Page 433
1 OUTPUT DEVICE FAILURE failure occurred. 2 Check all of the cable connections at the controller PCA. Turn the printer off, and then turn the printer on again to clear the error. 3 Activate the stacker bin fluctuation motor (M6) by performing a mechanical test. 4 Make sure that the stacker bin - HP Color LaserJet 9500 | Service Manual - Page 434
TO CONTINUE PRESS nonvolatile memory (NVRAM), and one or more printer settings is reset to its factory default. Printing can 2 continue, but there might be some unexpected functions because an error occurred in permanent storage. X description 3 0 = onboard NVRAM 1 = removable disk (flash - HP Color LaserJet 9500 | Service Manual - Page 435
the printer on again to clear the error. Remove the duplexer and check for proper seating, residual media, or obstructions. Check the inside of the duplexer and the duplex capacity for residual media or obstructions. Check the duplexer-side registration guides for correct functionality. Replace - HP Color LaserJet 9500 | Service Manual - Page 436
by YYYY. 2 Turn the printer off. Remove the EIO accessory card. Reseat the card securely into the specified slot. 3 Turn the printer on again. 4 Insert the card into a different slot. 5 If the error persists, the EIO accessory card might need to be replaced. 434 Chapter 7 Troubleshooting ENWW - HP Color LaserJet 9500 | Service Manual - Page 437
covered by the HP warranty. Refer the customer to the network administrator for assistance in troubleshooting network problems. If you think that the problem is because of a customer error, data, communication, application, or driver problem, verify that the print engine is functioning correctly. To - HP Color LaserJet 9500 | Service Manual - Page 438
Error occurs when printing a specific document z change the graphics mode in the printer properties z change the resolution setting in the printer properties z select a PostScript driver rather than a PCL (Windows -digit error code. Consult the HP Jetdirect Network Interface Configuration Guide for - HP Color LaserJet 9500 | Service Manual - Page 439
to view current network settings, to help troubleshoot printer problems, or to verify network statistics or protocol information. The Jetdirect page prints with the configuration page. Jetdirect page elements A. HP Jetdirect configuration B. Network statistics C. Protocol information A B C Figure - HP Color LaserJet 9500 | Service Manual - Page 440
Sensor test Off Off On On Note Make sure that you turn the power supply the printer, jams might occur because the printer will service LED on the controller PCA flashes in a pattern that indicates the problem (see table 79 for an interpretation of the LED patterns) 438 Chapter 7 Troubleshooting - HP Color LaserJet 9500 | Service Manual - Page 441
dark. • If the LED does not illuminate, a problem exists with the sensor. Replace the corresponding FRU. 5 To stop the test, set the power supply switch to the operational mode, and set the DIP switches on the controller PCA to the OFF position (see table 78). ENWW Chapter 7 Troubleshooting 439 - HP Color LaserJet 9500 | Service Manual - Page 442
the printer, and the bottom service light flashes regularly every 0.5 second. Table 79. Tray 4 light pattern interpretation Long Short (0.03 Error number these is the problem, replace tray 4. 2 1 13.11.11 The media does not reach the sensor. Open the door, Registration sensor and remove the - HP Color LaserJet 9500 | Service Manual - Page 443
support information 443 Terminology 444 Kits, supplies, image drum drive 473 Toner cartridge drive assembly (print cartridge drive 474 Fuser drive assembly 476 Cassette assembly 478 Paper pickup assembly (1 of 3 480 Paper pickup assembly (2 of 3 482 Paper pickup assembly (3 of 3 484 Manual - HP Color LaserJet 9500 | Service Manual - Page 444
Tray 4 500 Tray 4 main body 500 Tray 4 drive assembly 504 Tray 4 PCA location 505 Master parts lists 506 Alphabetical parts list 506 Numerical parts list 512 442 Chapter 8 Parts and diagrams ENWW - HP Color LaserJet 9500 | Service Manual - Page 445
www.hp.com/sbso/product/supplies z Canada: http://www.hp.ca/catalog/supplies z Europe: http://www.hp.com/go/supplies z Asia Pacific: http://www.hp.com/paper Customer support information Before visiting the printer support website (URL: www.hp.com/support/lj9500) or the Customer Services and Support - HP Color LaserJet 9500 | Service Manual - Page 446
Terminology Table 80. Term decoder HP term Parts listing Definition Image drum Print cartridge P-crg T-crg Process cartridge (carrier, OPC, charge roller, developer sleeve) Toner cartridge Toner collection bottle Image transfer roller Image transfer belt Post charger Waste toner bottle - HP Color LaserJet 9500 | Service Manual - Page 447
, yellow C8552A Print cartridge, magenta C8553A Image drum, black C8560A Image drum, cyan C8561A Image drum, yellow C8562A Image drum, magenta C8563A Image transfer Kit C8555A Image cleaning kit Fuser kit C8554A C8556A Service part number Description C8550-67901 Replacement print - HP Color LaserJet 9500 | Service Manual - Page 448
9500 printer CD- based service training materials User guide Electronic versions ready to print at: http://www.hp.com/support/lj9500 HP color LaserJet 9500 Series Printer Use guide and User reference guide Electronic versions ready to print at: http://www.hp.com/support/lj9500 Mini-manual - HP Color LaserJet 9500 | Service Manual - Page 449
black finish (M3 by 8) • Laser/scanner assemblies z Self-threading brass finish (M4) • Sheet metal to plastic Table 84. Common torque values Material HP recommended torque value Plastic to metal 5.5 lb-inch Metal to metal 10 lb-inch PCBA 5.5 lb-inch Plastic to plastic 5.5 lb-inch ENWW - HP Color LaserJet 9500 | Service Manual - Page 450
. Both tables also contain the figure numbers in this chapter that show the parts. Parts shown in magenta are FRUs. Other parts are not service-replaceable. Callout numbers that are followed by a "T" indicate the number of teeth on the specified gear. External covers and panels 24 1 See page 497 - HP Color LaserJet 9500 | Service Manual - Page 451
Table 85. External covers and panels (1 of 2) Ref Description Figure 288; 1 Cover, left upper Figure 288; 2 Cap, cover Figure 288; 3 Cover, left lower Figure 288; 4 Cover, left front Figure 288; 6 Cover, front right Figure 288; 7 Cover, front left Figure 288; 16 Cover, left back assembly - HP Color LaserJet 9500 | Service Manual - Page 452
See page 486. and See page 488. See page 453. Figure 289. External covers and panels (2 of 2) 450 Chapter 8 Parts and diagrams ENWW - HP Color LaserJet 9500 | Service Manual - Page 453
Table 86. External covers and panels (2 of 2) Ref Description Figure 289; 5 Cover, right lower Figure 289; 8 Cover, right back Figure 289; 9 Filter, air Figure 289; 10 Hood, fan Figure 289; 11 Cover, blanking Figure 289; 12 Tray, delivery movable Figure 289; 13 Cover, top right Figure 289; 14 - HP Color LaserJet 9500 | Service Manual - Page 454
Left cover assembly Figure 290. Left cover assembly Table 87. Left cover assembly Ref Description Figure 290; all Cover, left assembly Figure 290; 1 Dampener, left cover assembly 452 Chapter 8 Parts and diagrams Part number RG5-6149-000CN RG5-6185-000CN Qty 1 1 ENWW - HP Color LaserJet 9500 | Service Manual - Page 455
Right door assembly Figure 291. Right door assembly Table 88. Right door assembly Ref Description Figure 291; all Door, right assembly ENWW Part number Qty RG5-6108-000CN 1 Chapter 8 Parts and diagrams 453 - HP Color LaserJet 9500 | Service Manual - Page 456
Internal components (1 of 9) Figure 292. Internal components (1 of 9) 454 Chapter 8 Parts and diagrams ENWW - HP Color LaserJet 9500 | Service Manual - Page 457
right lower assembly Figure 292; 5 Cover, inner Figure 292; 6 Waste toner sensor assembly (J1402, J1403) Figure 292; 7 Waste toner bottle assembly Figure 292; ; 15 Cover, pickup cable Figure 292; 16 Cable, support left Figure 292; 17 Cable support right Figure 292; 18 Screw, RS M3X6 Part number - HP Color LaserJet 9500 | Service Manual - Page 458
Internal components (2 of 9) Figure 293. Internal components (2 of 9) 456 Chapter 8 Parts and diagrams ENWW - HP Color LaserJet 9500 | Service Manual - Page 459
Table 90. Internal components (2 of 9) Ref Description Figure 293; 1 Plate, mount Figure 293; 2 Screw, RS M3X12 Figure 293; 3 Soft link shaft assembly Figure 293; 4 Lift link front assembly Figure 293; 5 Lift link rear assembly Figure 293; 6 Lever assembly Figure 293; 7 Link rear unit Figure - HP Color LaserJet 9500 | Service Manual - Page 460
Internal components (3 of 9) See page 476. See page 495. See page 496. See page 498. Figure 294. Internal components (3 of 9) 458 Chapter 8 Parts and diagrams ENWW - HP Color LaserJet 9500 | Service Manual - Page 461
Figure 294; 5 Main fuser front guide assembly Figure 294; 6 Sub fuser front guide assembly Figure 294; 7 Screw, with washer M4X6 Figure 294; 8 Plate, feeder support Figure 294; 9 Plate, duplexing support Figure 294; 10 Plate, fuser positioning Figure 294; 11 Mount, lower fuser sensor Figure 294; 12 - HP Color LaserJet 9500 | Service Manual - Page 462
Internal components (4 of 9) Figure 295. Internal components (4 of 9) 460 Chapter 8 Parts and diagrams ENWW - HP Color LaserJet 9500 | Service Manual - Page 463
, holder lift Figure 295; 5 Support, cleaning front Figure 295; 6 Plate, positioning Figure 295; 7 cover, support plate Figure 295; 8 Support, side plate hinge Figure 295; 9 Pin, open/close cover support Figure 295; 10 Guide, support pin Figure 295; 11 Support, cleaning front Figure 295; 12 Plate - HP Color LaserJet 9500 | Service Manual - Page 464
Internal components (5 of 9) See page 492. See page 494. See page 490. See page 480. See page 482. See page 484. See page 472. Figure 296. Internal components (5 of 9) 462 Chapter 8 Parts and diagrams ENWW - HP Color LaserJet 9500 | Service Manual - Page 465
Screw, RS M3X6 Not orderable Not orderable Figure 296; 23 Guide, pickup Figure 296; 24 Guide, duplexing front Figure 296; 25 Guide, duplexing rear Not orderable Not orderable Not orderable Figure 296; 26 Guide, fuser support front Figure 296; 27 Cover, motor Not orderable Not orderable Figure - HP Color LaserJet 9500 | Service Manual - Page 466
Internal components (6 of 9) See page 473. See page 474. Figure 297. Internal components (6 of 9) 464 Chapter 8 Parts and diagrams ENWW - HP Color LaserJet 9500 | Service Manual - Page 467
297; 21 Intermediate transfer belt (ITB) duct unit Figure 297; 22 Screw, RS M3X6 Figure 297; 23 Screw, RS M3X8 Figure 297; 24 Guide, fuser support Figure 297; 25 Magenta cartridge rail assembly Figure 297; 26 Cyan cartridge rail assembly Figure 297; 27 Black cartridge rail assembly Figure 297; 28 - HP Color LaserJet 9500 | Service Manual - Page 468
Internal components (7 of 9) Figure 298. Internal components (7 of 9) 466 Chapter 8 Parts and diagrams ENWW - HP Color LaserJet 9500 | Service Manual - Page 469
298; 9 Cable, laser assembly (J108, J109, J110, J111, J3009, J3010, J3011, J3012) Figure 298; 10 M-purpose support assembly rear Figure 298; 11 Slide arm assembly Figure 298; 12 Humidity sensor assembly Figure 298; 13 Right interlock assembly Figure 298; 14 Fan (FM3, J3078) Figure 298; 15 Holder - HP Color LaserJet 9500 | Service Manual - Page 470
Internal components (8 of 9) Figure 299. Internal components (8 of 9) 468 Chapter 8 Parts and diagrams ENWW - HP Color LaserJet 9500 | Service Manual - Page 471
(8 of 9) Ref Description Part number Figure 299; 1 Support, right door stop Figure 299; 2 Cover, registration Figure 299 orderable Not orderable Figure 299; 9 Connector assembly (J3007) Figure 299; 10 End paper sensor assembly (J3023, J3076, J3024, J3077, SW3, J3023, SW4, J3024) RG5-5779- - HP Color LaserJet 9500 | Service Manual - Page 472
Internal components (9 of 9) Figure 300. Internal components (9 of 9) 470 Chapter 8 Parts and diagrams ENWW - HP Color LaserJet 9500 | Service Manual - Page 473
Guide, main cable Not orderable 1 Not orderable 1 Not orderable 1 Figure 300; 7 Power supply assembly 110-127 V (FM5, 100-127 V) Power supply assembly 15 Cable, high-voltage control (J101, J203) Figure 300; 16 Cable, fuser motor (J116, J3035) RG5-5940-000CN 1 RG5-5952-000CN 1 Figure 300 - HP Color LaserJet 9500 | Service Manual - Page 474
Registration drive assembly Figure 301. Registration drive assembly Note Callout numbers that are followed by a "T" indicate the number of teeth on the specified gear. For example, 21T is a gear with 21 teeth. Table 98. Registration drive assembly Ref Description Figure 301; all Registration - HP Color LaserJet 9500 | Service Manual - Page 475
Process cartridge drive assembly (image drum drive) Figure 302. Process cartridge drive assembly (image drum drive) Table 99. Process cartridge drive assembly (image drum drive) Ref Description Part number Qty Figure 302; all Process cartridge drive assembly (J613, J614, J615, M8, J609, J12, - HP Color LaserJet 9500 | Service Manual - Page 476
Toner cartridge drive assembly (print cartridge drive) Figure 303. Toner cartridge drive assembly (print cartridge drive) Note Callout numbers that are followed by a "T" indicate the number of teeth on the specified gear. For example, 21T is a gear with 21 teeth. 474 Chapter 8 Parts and diagrams - HP Color LaserJet 9500 | Service Manual - Page 477
RG5-6026-000CN Figure 303; 5 Toner cartridge motor assembly (M12, M13, M14, M15, J3046, J3047, J3048, J3049) Not orderable Figure 303; 6 crg driver PCB assembly (print cartridge drive) Figure 303; 7 Cable, right rear 1 (J808, J3080D) Figure 303; 8 Cable, right rear 2 (J807, J808, J820, J822, J823 - HP Color LaserJet 9500 | Service Manual - Page 478
Fuser drive assembly Figure 304. Fuser drive assembly Note Callout numbers that are followed by a "T" indicate the number of teeth on the specified gear. For example, 21T is a gear with 21 teeth. 476 Chapter 8 Parts and diagrams ENWW - HP Color LaserJet 9500 | Service Manual - Page 479
Table 101. Fuser drive assembly Ref Description Figure 304; all Fuser drive assembly Figure 304; 1 Motor, DC24 V (M10, J3035) Figure 304; 2 Coupler Figure 304; 3 Spring, compression Part number RG5-6018-000CN RH7-1519-000CN Not orderable - HP Color LaserJet 9500 | Service Manual - Page 480
Cassette assembly Figure 305. Cassette assembly Note Callout numbers that are followed by a "T" indicate the number of teeth on the specified gear. For example, 21T is a gear with 21 teeth. 478 Chapter 8 Parts and diagrams ENWW - HP Color LaserJet 9500 | Service Manual - Page 481
Plate, left stop Figure 305; 8 Plate, right stop Figure 305; 9 Claw, lock Figure 305; 10 Shaft, lock Figure 305; 11 Holder, lock Figure 305; 12 Guide Figure 305; 13 Gear, 20 teeth Figure 305; 14 Plate, grounding Figure 305; 15 Arm, cassette Figure 305; 16 Knob, cassette Figure 305; 17 Holder - HP Color LaserJet 9500 | Service Manual - Page 482
Paper pickup assembly (1 of 3) Figure 306. Paper pickup assembly (1 of 3) Note Callout numbers that are followed by a "T" indicate the number of teeth on the specified gear. For example, 21T is a gear with 21 teeth. 480 Chapter 8 Parts and diagrams ENWW - HP Color LaserJet 9500 | Service Manual - Page 483
RS M3X6 Not orderable Not orderable Not orderable Figure 306; 48 Ring, E Figure 306; 49 Paper width sensor unit (SW5, J52, SW6, J54) Not orderable Not orderable Figure 306; 50 Flag, sensor Figure 306; 51 Holder, gear Not orderable Not orderable Figure 306; 52 Spring, torsion Figure 306; 115 - HP Color LaserJet 9500 | Service Manual - Page 484
Paper pickup assembly (2 of 3) Figure 307. Paper pickup assembly (2 of 3) Note Callout numbers that are followed by a "T" indicate the number of teeth on the specified gear. For example, 21T is a gear with 21 teeth. 482 Chapter 8 Parts and diagrams ENWW - HP Color LaserJet 9500 | Service Manual - Page 485
Table 104. Paper pickup assembly (2 of 3) Ref Description Figure 307; 1 Screw, RS M3X6 Figure 307; 6 Figure 307; 7 Guide, pickup out Plate, right support Figure 307; 8 Crossmember, pickup Figure 307; 20 Spring, tension Figure 307; 21 Spring, tension Figure 307; 22 Screw, M4X10 Figure 307; 23 - HP Color LaserJet 9500 | Service Manual - Page 486
Paper pickup assembly (3 of 3) Figure 308. Paper pickup assembly (3 of 3) Note Callout numbers that are followed by a "T" indicate the number of teeth on the specified gear. For example, 21T is a gear with 21 teeth. 484 Chapter 8 Parts and diagrams ENWW - HP Color LaserJet 9500 | Service Manual - Page 487
Figure 308; 74 Bushing Figure 308; 77 Screw, M4X10 Figure 308; 78 Pin, dowel Figure 308; 79 Ring, E Figure 308; 95 Flag, paper sensor Figure 308; 96 Guide, inlet Figure 308; 97 Holder, pickup Figure 308; 98 Holder, pickup roller Figure 308; 99 Flag, paper height Figure 308; 100 Shaft, pickup Figure - HP Color LaserJet 9500 | Service Manual - Page 488
Manual feed pickup assembly (tray 1) (1 of 2) Figure 309. Manual feed pickup assembly (tray 1) (1 of 2) Note Callout numbers that are followed by a "T" indicate the number of teeth on the specified gear. For example, 21T is a gear with 21 teeth. 486 Chapter 8 Parts and diagrams ENWW - HP Color LaserJet 9500 | Service Manual - Page 489
assembly (tray 1) (1 of 2) Ref Description Figure 309; all Manual feed pickup assembly (tray 1) Figure 310; all Figure 309; 4 Figure 309; 34 Roller, pickup Figure 309; 35 Paper guide plate assembly Figure 309; 36 Multipurpose sensor cable (J3004, J3005) Figure 309; 39 Multipurpose drive assembly - HP Color LaserJet 9500 | Service Manual - Page 490
Manual feed pickup assembly (tray 1) (2 of 2) Figure 310. Manual feed pickup assembly (tray 1) (2 of 2) Note Callout numbers that are followed by a "T" indicate the number of teeth on the specified gear. For example, 21T is a gear with 21 teeth. 488 Chapter 8 Parts and diagrams ENWW - HP Color LaserJet 9500 | Service Manual - Page 491
Table 107. Manual feed pickup assembly (tray 1) (2 of 2) Ref Description Figure 310; 2 Arm, sensor Figure 310; 3 Spring, torsion Figure 310; 6 Knob Figure 310; 18 Lever, sensor Figure 310; 19 Frame, paper sensor Figure 310; 20 Spring, torsion Figure 310; 21 Flag, sensor Figure 310; 22 Mount, - HP Color LaserJet 9500 | Service Manual - Page 492
Registration assembly Figure 311. Registration assembly Note Callout numbers that are followed by a "T" indicate the number of teeth on the specified gear. For example, 21T is a gear with 21 teeth. 490 Chapter 8 Parts and diagrams ENWW - HP Color LaserJet 9500 | Service Manual - Page 493
holder assembly (SR4, J3032, SR3, J3031, J3027, J3029, J3031, J3032, J3100) Not orderable Figure 311; 2 Cable, sensor (J3100, J3101) Figure 311; 3 Clutch, electrical mechanical (CL, J3029) Not orderable Not orderable Figure 311; 4 Clutch, electrical mechanical (CL1, J3028) Not orderable Qty - HP Color LaserJet 9500 | Service Manual - Page 494
Secondary transfer assembly (T2) (1 of 2) Figure 312. Secondary transfer assembly (T2) (1 of 2) Note Callout numbers that are followed by a "T" indicate the number of teeth on the specified gear. For example, 21T is a gear with 21 teeth. 492 Chapter 8 Parts and diagrams ENWW - HP Color LaserJet 9500 | Service Manual - Page 495
Table 109. Secondary transfer assembly (T2) (1 of 2) Ref Description Part number Figure 312; all Secondary transfer assembly (T2) (use this part number to order the entire RG5-6179-000CN Figure 313; all assembly; J3026, J3030, J3081, CL3, J3030, SR42) Figure 312; 2 Gear holder assembly Not - HP Color LaserJet 9500 | Service Manual - Page 496
Description Part number Qty Figure 313; 1 Secondary transfer (T2) cable assembly (use this part number to order the RG5-6179-000CN 1 entire assembly) Figure 313; 3 Guide, holder assembly Not orderable 1 494 Chapter 8 Parts and diagrams ENWW - HP Color LaserJet 9500 | Service Manual - Page 497
Delivery feed assembly Assembled view Figure 314. Delivery feed assembly Note Callout numbers that are followed by a "T" indicate the number of teeth on the specified gear. For example, 21T is a gear with 21 teeth. Table 111. Delivery feed assembly Ref Description Part number Qty Figure 314 - HP Color LaserJet 9500 | Service Manual - Page 498
Qty Figure 315; all Face-down delivery assembly (use this part number to order the entire RG5-6017-000CN 1 assembly) Figure 315; 1 Face-down delivery sensor PCB assembly Not orderable 1 496 Chapter 8 Parts and diagrams ENWW - HP Color LaserJet 9500 | Service Manual - Page 499
Delivery cover assembly Assembled view Figure 316. Delivery cover assembly Table 113. Delivery cover assembly Ref Description Figure 316; all Delivery cover assembly (use this part number to order the entire assembly) Figure 316; 1 Figure 316; 2 Delivery fan cable Fan Part number Qty RG5- - HP Color LaserJet 9500 | Service Manual - Page 500
Fuser assembly Figure 317. Fuser assembly Table 114. Fuser assembly Ref Description Figure 317; all Fuser assembly Part number Qty RG5-6098-000CN new 1 C8546-69007 exchange 498 Chapter 8 Parts and diagrams ENWW - HP Color LaserJet 9500 | Service Manual - Page 501
Description Figure 318; 1 DC controller PCB assembly Figure 318; 2 Process cartridge (image drum) PCB assembly Figure 318; 3 Memory switch PCB assembly Figure 318; 4 Feed PCB assembly Figure 318; 5 crg (print cartridge) driver assembly Part number RG5-5901-000CN RG5-5905-000CN Not orderable Not - HP Color LaserJet 9500 | Service Manual - Page 502
Tray 4 Tray 4 main body Figure 319. Tray 4 main body (1 of 2) 500 Chapter 8 Parts and diagrams ENWW - HP Color LaserJet 9500 | Service Manual - Page 503
Table 116. Tray 4 main body (1 of 2) Ref Description Figure 319; 1 Cover, front Figure 319; 2 Figure 319; 3 Cover, right Cover, right back Figure 319; 4 Figure 319; 5 Cover, left back Cover, center Figure 319; 6 Figure 319; 7 Figure 319; 8 Cover, back Cover, left Screw, stepped Figure 319; - HP Color LaserJet 9500 | Service Manual - Page 504
Figure 320. Tray 4 main body (2 of 2) 502 Chapter 8 Parts and diagrams ENWW - HP Color LaserJet 9500 | Service Manual - Page 505
; 8 Screws, M4 by 8 Figure 320; 9 Paper volume sensing assembly Figure 320; 10 Screw, M4 by 6 Figure 320; 11 Screw, M4 by 6 Figure 320; 12 Power supply Figure 320; 13 Jet-Link holder Figure 320; 14 Jet-Link cable assembly Figure 320; 15 Jet-Link grounding cable Part number RB2-7678-000CN - HP Color LaserJet 9500 | Service Manual - Page 506
Tray 4 drive assembly Figure 321. Tray 4 drive assembly Table 118. Tray 4 drive assembly Ref Description Figure 321; all Tray 4 deck drive assembly Figure 321; 1 Motor (M303) Figure 321; 2 Screw, M3 by 6 Part number RG5-6228-040CN RH7-1481-000CN XB2-6300-607CN Qty 1 1 504 Chapter 8 Parts - HP Color LaserJet 9500 | Service Manual - Page 507
Tray 4 PCA location Figure 322. Tray 4 PCA location Table 119. Tray 4 PCA location Ref Description Figure 322; 1 Paper size PCA Figure 322; 2 Paper volume PCA Figure 322; 3 Deck controller PCA Figure 322; 4 LED PCA Part number RG5-6238-000CN RG5-6237-000CN RG5-6235-100CN RG5-6239-000CN Qty - HP Color LaserJet 9500 | Service Manual - Page 508
HP. For a complete list of parts found in the HP LaserJet 9500 series printer formatter Figure 300; 16 Figure 300; 18 Cable, fuser motor Cable, high-voltage Figure 300; 15 Figure 298 Figure 305; all Figure 319; 17 Cartridge, click support assembly Cassette (use this part number to order the - HP Color LaserJet 9500 | Service Manual - Page 509
ENWW Table 120. Alphabetical parts list (continued) Ref Description Figure 289; 22 Figure 289; 22 Control panel overlay-Dutch Control panel overlay-English Figure 289; 22 Figure 289; 22 Control panel overlay-Finnish Control panel overlay-French (European) Figure 289; 22 Figure 289; 22 Figure - HP Color LaserJet 9500 | Service Manual - Page 510
303; 6 crg (print cartridge) driver assembly crg driver PCB assembly (print cartridge drive) Fuser drive assembly Fuser sensor cable assembly Fuser sensor PCB assembly Guide, cleaner High-voltage connector PCB assembly High-voltage holder assembly High-voltage PCB assembly High-voltage power supply - HP Color LaserJet 9500 | Service Manual - Page 511
321; 1 Link, holder lift Main fuser front guide assembly Manual feed pickup assembly (tray 1) Memory switch supply Figure 300; 7 Power supply assembly 110-127V Power supply assembly 220-240V Figure 302; 2 Figure 318; 2 Process cartridge (image drum) PCB assembly Process cartridge (image drum - HP Color LaserJet 9500 | Service Manual - Page 512
33 Figure 294; 14 Spring, compression Spring, tension RS6-2840-000CN 1 RS6-2442-000CN 1 Figure 294; 6 Figure 295; 5 Figure 295; 11 Sub fuser front guide assembly Support, cleaning front Support, cleaning front RG9-1596-000CN 1 RB2-7570-000CN 1 RB2-7515-000CN 1 Figure 295; 8 Figure 320 - HP Color LaserJet 9500 | Service Manual - Page 513
Tray face up delivery Figure 292; 13 Figure 289; 12 Figure 292; 7 Tray, catch Tray, delivery movable Waste toner bottle assembly Figure 292; 6 Waste toner sensor assembly Part number RG5-6212-230CN RG5-6228-040CN RG5-6225-050CN 0515-4318 RB2-5690-000CN RB2-7207-000CN RB2-7341-000CN RG5-6040 - HP Color LaserJet 9500 | Service Manual - Page 514
numerical) list FRUs available from HP. For a complete list of parts found in the HP LaserJet 9500 series printer, refer to the exploded view Figure 295; 2 Figure 289; 27 Figure 292; 13 Torque limiter Filter, air Guide, cleaner Filter, ozone Tray, catch Figure 297; 2 Block, damper 512 Chapter 8 - HP Color LaserJet 9500 | Service Manual - Page 515
time) Support, cleaning front Figure 295; 31 Figure 295; 6 Cover, rail Plate, positioning Figure 295; 5 Figure 319; 1 Support, cleaning front Cover 288; 26 Figure 295; 26 Figure 297; 30 Tongs, jam removal Rail, guide front Rail, guide rear Figure 289; 10 Figure 319; 6 Figure 319; 7 Hood, fan - HP Color LaserJet 9500 | Service Manual - Page 516
310; all Process cartridge (image drum) PCB assembly Process cartridge (image drum) PCB assembly crg (print cartridge) driver assembly crg driver PCB assembly (print cartridge drive) Memory switch PCB assembly Fuser sensor PCB assembly Cable, rear lower Fuser connecting cable assembly Toner drive - HP Color LaserJet 9500 | Service Manual - Page 517
Ref Description Part number Qty Figure 317; all Fuser assembly Figure 298; 10 M-purpose support assembly rear RG5-6098-000CN new 1 C8546- 3 Figure 295; 25 Figure 300; 12 Soft link shaft assembly Registration sensor assembly High-voltage holder assembly RG5-6122-000CN 1 RG5-6123-020CN 1 - HP Color LaserJet 9500 | Service Manual - Page 518
320; 14 Figure 320; 15 Figure 320; 12 Jet-Link cable assembly Jet-Link grounding cable Power supply Figure 294; 5 Figure 294; 6 Figure 300; 24 Main fuser front guide assembly Sub fuser front guide assembly Cable, flat Figure 303; 2 Figure 300; 23 Cable, flat Cable, flat Figure 300; 25 Figure - HP Color LaserJet 9500 | Service Manual - Page 519
Table 121. Numerical parts list (continued) Ref Description Figure 320; 8 Figure 320; 3 Screws, M4 by 8 Screw, M5 by 12 Figure 320; 11 Figure 321; 2 Screw, M4 by 6 Screw, M3 by 6 Figure 320; 10 Figure 319; 10 Screw, M4 by 6 Screw, M4 by 6 Part number XA9-0732-000CN XA9-0912-000CN XA9-0994- - HP Color LaserJet 9500 | Service Manual - Page 520
518 Chapter 8 Parts and diagrams ENWW - HP Color LaserJet 9500 | Service Manual - Page 521
color 77 basis-weight field test 40 beams detect errors calibration color plane registration (CPR) operations 140 non-HP 96 operations 160 part cleaning blade diagrams 158 operations 164, 165 removing and replacing 192 terminology 444 cleaning kit page count, resetting 79 part numbers 445 cleaning - HP Color LaserJet 9500 | Service Manual - Page 522
Support Center 48 cut edge condition field test, media 43 cutouts, avoiding media with 38 D damaged connectors, DC controller 186 DC controller circuit components 131 color plane registration (CPR control operations 166, 167 image formation operations 159 sensor assembly, removing and replacing - HP Color LaserJet 9500 | Service Manual - Page 523
replacing 204 image drum, removing and replacing 215 ITB, removing and replacing 206 jam detection operations 178 left switch, removing and replacing 296 locating 25 right switch, removing and replacing 297 upper left sensor, removing and replacing 299 dots per inch (dpi) 20 downloading drivers 47 - HP Color LaserJet 9500 | Service Manual - Page 524
firmware updates 103 HP media 33 HP PCL 5c driver 20 HP Web JetAdmin, firmware updates 104 humidity calibration control 166 meter, suppliers 44 sensor, removing and replacing 266 specifications 24 storing media 39 I I/O submenu 71 identification label 22 image cleaning kit, part numbers 445 - HP Color LaserJet 9500 | Service Manual - Page 525
139 operations 161 part numbers 445 removing 183 removing and replacing 246 sensor, removing and replacing 298 terminology 444 J jams cleaning spilled toner 93 detection operations 111, 178 multifeeds, troubleshooting 379 recovery settings 70 JetAdmin, firmware updates 104 ENWW Jetdirect print - HP Color LaserJet 9500 | Service Manual - Page 526
M Macintosh firmware updates 102 maintenance agreements 50 cleaning procedures 93, 94 counts, resetting 79 manual feed pickup assembly, diagrams and part numbers 486 settings 62 manuals ordering 49 part numbers 446 map, menu 56 margins 85 mask control, image 152 media custom sizes 83 default size 61 - HP Color LaserJet 9500 | Service Manual - Page 527
operations Beam detect errors 153, 155 block diagram 109 cassette detection 171 color plane registration (CPR) 155 connector location diagrams 126 pH test kit 44 phases, operations 110 phone numbers ordering documentation and software 49 ordering supplies 47 service agreements 51 support 48 physical - HP Color LaserJet 9500 | Service Manual - Page 528
printer messages alphabetical list 389 Printing submenu 61 priority onsite service 51 private jobs 57, 69 process cartridges. See image drums production code 22 programs, changing settings from 81 proof and hold jobs 57, 69 protocol settings 72 protocols, network troubleshooting 436 PS error pages - HP Color LaserJet 9500 | Service Manual - Page 529
rollers cleaning 95 diagrams 109 feed, operations 169 high-voltage power supply 138 image formation HP Jetdirect connector, locating 25 EIO submenu 72 included 20 model number 21 service agreements 48, 51 service approach 46 service ID 79, 80 Service menu 79 settings cold reset 89 saving 88 service - HP Color LaserJet 9500 | Service Manual - Page 530
color band 77 components 76, 78 Diagnostics menu 75 image drum 75 media 39 paper path 75 print stop 77 sensors 76 theory of operations. See operations thermistors, operations 136 thermoswitches, operations 136 timing chart, printer operations 112 toner charging operations 159 cleaning operations - HP Color LaserJet 9500 | Service Manual - Page 531
85 registration 64 sensors, diagrams 133, 142 separation pad, cleaning 95 standard paper size, setting 82 troubleshooting communications 436 Diagnostics menu 75 firmware updates 105 HP Jetdirect print servers 436 power 308 service approach 46 TrueType fonts 20 turning off printer 136, 183 U UNIX - HP Color LaserJet 9500 | Service Manual - Page 532
530 Index ENWW - HP Color LaserJet 9500 | Service Manual - Page 533
ENWW Index 531 - HP Color LaserJet 9500 | Service Manual - Page 534
532 Index ENWW - HP Color LaserJet 9500 | Service Manual - Page 535
- HP Color LaserJet 9500 | Service Manual - Page 536
© 2003 Hewlett-Packard Development Company, L.P. http://www.hp.com/support/LJ9500 *C8546-90956* *C8546-90956* C8546-90956
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service
hp
color LaserJet 9500n
hp
color LaserJet 9500hdn