HP LaserJet 3300 Service Manual
HP LaserJet 3300 - Multifunction Printer Manual
 |
View all HP LaserJet 3300 manuals
Add to My Manuals
Save this manual to your list of manuals |
HP LaserJet 3300 manual content summary:
- HP LaserJet 3300 | Service Manual - Page 1
hp LaserJet 3300mfp series service - HP LaserJet 3300 | Service Manual - Page 2
- HP LaserJet 3300 | Service Manual - Page 3
hp LaserJet 3300mfp series Service - HP LaserJet 3300 | Service Manual - Page 4
of injury from fire or electric shock. 1 Read and understand all instructions in the user guide. 2 Observe all warnings and instructions marked on the product. 3 Use only a grounded electrical outlet when connecting the HP LaserJet 3300mfp product to a power source. If you don't know whether the - HP LaserJet 3300 | Service Manual - Page 5
and cancel controls 34 Copy, scan, and start controls 34 Control panel menu structure 35 To print the control panel menu structure 35 To use the control panel keys 35 Control panel error messages 38 Product media specifications 45 Supported media sizes (printer 45 Guidelines for using media - HP LaserJet 3300 | Service Manual - Page 6
the lid backing 58 Cleaning the print path 59 Cleaning the print cartridge area 60 Cleaning the printer pickup roller 61 Cleaning the printer separation pad 62 User-replaceable parts 63 Replacing the printer pickup roller 63 Replacing the printer separation pad 65 Installing a new ADF 67 To - HP LaserJet 3300 | Service Manual - Page 7
107 Removal and replacement strategy 109 Required tools 109 Before performing service 110 Print cartridge 110 Parts removal order 111 Separation of scanner from printer 113 Right side cover 113 Scanner side covers 115 Scanner assemblies 119 Flat lid or ADF assembly 119 The ADF pick - HP LaserJet 3300 | Service Manual - Page 8
178 Control panel messages 178 Critical error messages 185 Checking the print cartridge 187 Solving image-quality problems 188 Solving paper-feed problems 197 Solving print paper-feed problems 197 Solving scanner (copier) paper-feed problems 199 Functional checks 200 Engine test 200 Half - HP LaserJet 3300 | Service Manual - Page 9
documentation and software 242 Parts that wear 242 Accessories 243 Common hardware 244 How to use the parts lists and diagrams 245 Scanner assemblies 246 Scanner and ADF 246 ADF rollers and separation pad 248 Control panel assembly 249 Printer assemblies 252 Printer covers 252 Paper - HP LaserJet 3300 | Service Manual - Page 10
8 Contents EN - HP LaserJet 3300 | Service Manual - Page 11
diagram 84 ECU loads 86 Overview of laser/scanner operation 87 High-voltage power supply circuit 90 Image formation block diagram 91 Printer paper path 95 Solenoid, photosensors, and switches 97 Printer timing diagram 99 Removing the print cartridge 110 Removing the right side cover (1 of - HP LaserJet 3300 | Service Manual - Page 12
the ADF scanner glass 128 Installing the ADF scanner glass 128 Removing the left side door 129 Removing the back cover (1 of 2 130 Removing the back cover (2 of 2 131 Removing the printer top cover 132 Removing the print cartridge door (1 of 2 133 Removing the print cartridge door (2 of - HP LaserJet 3300 | Service Manual - Page 13
side 204 Figure 97. Print cartridge high-voltage connection points (left side 204 Figure 98. High-voltage connector assembly (right side 205 Figure 99. High-voltage connector assembly (left side 205 Figure 100. Overriding SW301 206 Figure 101. Using the firmware recovery DIMM 208 Figure 102 - HP LaserJet 3300 | Service Manual - Page 14
12 Figures EN - HP LaserJet 3300 | Service Manual - Page 15
HP LaserJet 3300mfp series 20 Skew specifications 21 HP LaserJet 3330 fax specifications 21 Control panel menu structure 36 Control panel error messages 38 Media types 45 Life expectancies of parts that wear 56 Product startup messages 77 Basic sequence of operation 98 Basic troubleshooting - HP LaserJet 3300 | Service Manual - Page 16
Table 42. Table 43. Table 44. Fuser assembly 265 Alphabetical parts list 266 Numerical parts list 271 14 Chapter - Tables EN - HP LaserJet 3300 | Service Manual - Page 17
Back and side view 17 Hardware description 18 Firmware description 19 Product Specifications 19 Model and serial numbers 22 Warranty statement 23 Extended warranty 24 Print cartridge information 25 Refilled print cartridges 25 Recycling print cartridges 26 FCC Part 68 Requirements (US 26 - HP LaserJet 3300 | Service Manual - Page 18
Introduction The HP LaserJet 3300mfp series is designed to: Print: Print documents easily with the laser-quality you have come to expect from an HP LaserJet product. Copy: Make superior laser-quality copies. With the software, you can make up to 99 copies of a 50-page original. You can also enlarge - HP LaserJet 3300 | Service Manual - Page 19
7 Print cartridge door 8 Priority input tray 9 Side media guides for the priority input tray 10 Media support for the main input tray 11 Main input tray 12 Side media guides for the main input tray (inside cover, not shown) Back and side view 1 2 7 3 6 Figure 2. 5 4 Back and side view 1 Left - HP LaserJet 3300 | Service Manual - Page 20
product provides 1200 dot-per-inch (dpi) printing. The flatbed scanner scans at 600 pixels-per-inch (ppi) with 24-bits per pixel (bpp) and most models contain an automatic document feeder (ADF) that holds up to 50 pages. On the HP LaserJet 3330mfp, the formatter and LIU provide Group-3-compatible - HP LaserJet 3300 | Service Manual - Page 21
C (59° to 90.5° F) Humidity: 10% to 80% relative humidity (no condensation) Temperature: -20° to 40° C (-4° to 104° F) Humidity: Less than 95% relative humidity (no condensation) Table 3. Performance of HP LaserJet 3300mfp series Category Print resolution Print speed Specification 1200 dpi 15 ppm - HP LaserJet 3300 | Service Manual - Page 22
+/-10%, 50 to 60 Hz +/-2 Hz 2.3 A at 230 V Copying (maximum): 330 W Printing (maximum): 300 W Standby: 14 Watts Power save: 14 Watts Off: 0 Watts Values subject to change. See http://www.hp.com/support/lj3300 for current information Table 6. Acoustic emissions (HP LaserJet 3300mfp series) Sound - HP LaserJet 3300 | Service Manual - Page 23
8. HP LaserJet 3330 fax specifications Category Fax transmission speed Right/left margins for printed pages Top/bottom margins for printed pages inch) 5.08 mm (0.2 inch) ITU Group 3; ECM MH, MR, and MMR Up to 33,600 bits per second (bps) Yes Yes 203 by 98 dots per inch (dpi) 203 by 196 dpi 300 by - HP LaserJet 3300 | Service Manual - Page 24
Model and serial numbers The model number and serial number are listed on an identification label located on the inside of the print cartridge door. The serial number contains information about the country/region of origin, revision level, production code, and production number of the product. The - HP LaserJet 3300 | Service Manual - Page 25
properly installed and used. If HP receives notice of such defects during the warranty period, HP will replace software media which does not execute its programming instructions due to such defects. 3 HP does not warrant that the operation of HP products will be uninterrupted or error-free. If HP is - HP LaserJet 3300 | Service Manual - Page 26
RESTRICT OR MODIFY AND ARE IN ADDITION TO THE MANDATORY STATUTORY RIGHTS APPLICABLE TO THE SALE OF THIS PRODUCT TO YOU. Extended warranty HP SupportPack provides coverage for the HP hardware product and all HP-supplied internal components. The hardware maintenance warranty covers a three-year period - HP LaserJet 3300 | Service Manual - Page 27
of reliability of a new HP LaserJet toner cartridge. Hewlett-Packard also cannot predict the long-term reliability effect on the product from using different toner formulations found in refilled cartridges. The print quality of HP LaserJet print cartridges influences the customer's perception of - HP LaserJet 3300 | Service Manual - Page 28
the United States). To join this recycling effort, follow the instructions inside the print cartridge box. FCC Part 68 Requirements (US) This equipment complies with service. If trouble is experienced with this equipment, please contact HP for repair and (or) warranty information. If the trouble - HP LaserJet 3300 | Service Manual - Page 29
your facsimile, please see the HP 3300mfp User Guide. IC CS-03 requirements NOTICE: telecommunications company. The equipment must also be installed using an acceptable method of connection. The above conditions may not prevent degradation of service in some situations. Repairs to certified - HP LaserJet 3300 | Service Manual - Page 30
compatibility is dependent on internal software settings. Contact your equipment supplier if it is necessary to use the equipment on a different telephone network. For further product support, contact Hewlett-Packard at the phone numbers provided in the support flyer that came with the product - HP LaserJet 3300 | Service Manual - Page 31
and cancel controls 34 Copy, scan, and start controls 34 Control panel menu structure 35 To print the control panel menu structure 35 To use the control panel keys 35 Control panel error messages 38 Product media specifications 45 Supported media sizes (printer 45 Guidelines for using media - HP LaserJet 3300 | Service Manual - Page 32
sturdy, level surface in a well-ventilated area that meets the following environmental requirements: temperature: 15° to 32.5° C (59° to 90.5° F) humidity: 10% to 80% relative humidity (no condensation) away from direct sunlight, open flames, and ammonia fumes sufficient space around the product to - HP LaserJet 3300 | Service Manual - Page 33
on the HP LaserJet 3330 product only. Use the fax controls to send and receive faxes. These controls and the fax menu or software are used to change commonly used fax settings. Figure 5. Note EN Fax controls The HP 3330 has extensive faxing capabilities. This manual describes only sending - HP LaserJet 3300 | Service Manual - Page 34
speed-dial code as described in the User Guide on the product CD. If you have applications. If you want to improve the quality of a paper document before faxing it, scan the document, straighten or clean the image, and send it as a fax from the software. For more information, see the product software - HP LaserJet 3300 | Service Manual - Page 35
full description on using alphanumeric key characters, see "Using Dialing Characters" in the User Guide on the product CD. Figure 6. Note Alphanumeric controls Keypad buttons are numeric on non-fax models and alphanumeric on the HP LaserJet 3330mfp. EN Identifying the control panel components 33 - HP LaserJet 3300 | Service Manual - Page 36
controls Use these controls to change commonly used default settings, to start scanning, and to start copying. For instructions on copying, see "Copying" in the User Guide. For instructions on scanning, see "Scanning" in the User Guide. The User Guide is located on the product CD. Figure 8. Copy - HP LaserJet 3300 | Service Manual - Page 37
print the print a configuration report. To use the control panel keys 1 Press menu/enter to begin. 2 Use the < or > key to select one of the choices from the main Menu, and then press menu/enter. 3 Use the < or > key to select one of the choices from the submenu and press menu/enter. 4 If applicable - HP LaserJet 3300 | Service Manual - Page 38
Def. # Of Copies Def. Redu/Enlrg Demo Page Fax Activity Log Fax Call Report PhoneBook Report Menu Structure Config Report Block Fax List PCL Font List PS Font List All Fax Reports Submenu Print Log Now Auto Log Print Print Report Now Print Report Include 1st Page 36 Chapter 2 - Operation EN - HP LaserJet 3300 | Service Manual - Page 39
Common Settings ........ Service Submenu Phone Book Fax Send Setup Fax Recv. Setup All Faxes Language Def. Paper Size Print Density Volume Settings Print T.30 Trace Add Entry Delete Entry Clear All Error Correction V. 34 Alarm Volume Ring Volume Key Press Volume EN Control panel menu - HP LaserJet 3300 | Service Manual - Page 40
steps to resolve the problem. Table 10. Control panel error messages Message Cleaning into a jack for another phone line. See chapter 6, "Troubleshooting. " Press menu/enter to program the one-touch or User Guide on the product CD. The product has experienced an internal hardware error. Disconnect - HP LaserJet 3300 | Service Manual - Page 41
10. Control panel error messages (continued) Message 51 Laser Error 52 Scanner Error 79 Error PowerOff>PowerOn ADF Door Open Canceled Copy. Clear Document Canceled Scan. Clear Document Cause The product has experienced an internal hardware error. The product has experienced an internal code error - HP LaserJet 3300 | Service Manual - Page 42
the document feeder tray. The print cartridge door is open or the print cartridge is not installed properly. The product experienced an internal communication error. Make sure the print cartridge door is closed. Check the print cartridge for proper installation. Warning message only. Job output - HP LaserJet 3300 | Service Manual - Page 43
the pages that fit into memory were sent. Print all received faxes or wait until all pending faxes are sent. Cancel all fax jobs or clear the faxes from memory (see "Clearing faxes from memory" in the User Guide on the product CD). An error occurred while trying to receive a fax. Ask the - HP LaserJet 3300 | Service Manual - Page 44
Table 10. Control panel error messages (continued) Message Fax Send Error Fit to Page on Flatbed Only Group Dial Not have been canceled because of low product memory. Press cancel to clear the error. Use the HP LaserJet Director to make multiple copies of large documents, or break the job into - HP LaserJet 3300 | Service Manual - Page 45
Table 10. Control panel error messages (continued) Message No Dial Tone. No Document phone line. See "Changing the detect dial tone setting" in the User Guide on the product CD. Also see chapter 6, "Troubleshooting." The fax forwarding setting is on and the product was unsuccessful at receiving - HP LaserJet 3300 | Service Manual - Page 46
message does not clear, see chapter 6, "Troubleshooting." Scanner Reserved For PC Scan The product is being used to create a scan by a computer. Wait until the PC scan has finished, or cancel the scan from the computer software, or press cancel. Scanning Error. Cannot Connect The product cannot - HP LaserJet 3300 | Service Manual - Page 47
HP guidelines might cause poor print quality, increased media jams, or premature wear on the product. This may require repair. Damage caused by media that does not meet HP's specifications is not covered by the HP warranty or service agreements. Supported media sizes (printer) The printer supports - HP LaserJet 3300 | Service Manual - Page 48
0.1 second). Transparencies must be able to withstand 200° C (392° F), the printer's maximum temperature. Common media problems table Symptom Poor print quality or toner adhesion, or problems with feeding. Dropouts, jamming, or curl. Problem with paper Too moist, too rough, too smooth, or embossed - HP LaserJet 3300 | Service Manual - Page 49
causing serious jams. Curl: Prior to printing, labels must lie flat with no more run through the printer. Envelopes Envelope construction problems. Condition: Make sure that the envelopes are not wrinkled, nicked, or otherwise damaged. Sizes: From 90 x 160 mm (3.5 x 6.3 in) to 178 x 254 mm (7 x 10 - HP LaserJet 3300 | Service Manual - Page 50
to seal must use adhesives compatible with the heat and pressure in the printer: 200° C (392° F). The extra flaps and strips might cause cause misfeeds, stacking problems, paper jams, poor toner fusing, poor print quality, or excessive mechanical wear. You might be able to print on heavier paper if - HP LaserJet 3300 | Service Manual - Page 51
or one envelope, transparency, or card. Load media with the top forward and the side to be printed facing up. To prevent jams and skew, always adjust the side media guides. If you try to print on media that is wrinkled, folded, or damaged in any way, a jam might occur. See the User - HP LaserJet 3300 | Service Manual - Page 52
: Load with the narrow side forward and the side to be printed facing up. See the User Guide located on the product CD for more information. Selecting originals for the ADF Note Note The ADF is recommended for plain paper copying, scanning, and faxing (faxing can be done only from the ADF). If - HP LaserJet 3300 | Service Manual - Page 53
forms. Do not scan originals that are larger or smaller than supported size limitations. See the User Guide for more information. scan Use these instructions to load originals into your HP LaserJet 3300mfp series for copying or scanning. For the best-quality scans and copies, use the flatbed scanner - HP LaserJet 3300 | Service Manual - Page 54
or scanned. CAUTION To prevent damage to the product, do not allow the scanner lid to fall onto the flatbed scanner surface. Always close the scanner lid (8.5 x 15 in). 1 Make sure the flatbed scanner is free of media. 2 Close the flatbed scanner cover and put the top end of the original media - HP LaserJet 3300 | Service Manual - Page 55
3 Slide the media stack into the ADF until the media does not move any farther. 4 Adjust the media guides until they are snug. 5 The document is now ready to be copied or scanned. 6 After scanning, the document will be delivered to the output tray in the correct order. EN Loading originals to copy - HP LaserJet 3300 | Service Manual - Page 56
straight-through output path The output bin is located between the scanner and the printer. Printed media is collected here in the correct sequence when the straightthrough output door is closed. Use the output bin when printing normal and large collated documents. The straight-through output path - HP LaserJet 3300 | Service Manual - Page 57
the lid backing 58 Cleaning the print path 59 Cleaning the print cartridge area 60 Cleaning the printer pickup roller 61 Cleaning the printer separation pad 62 User-replaceable parts 63 Replacing the printer pickup roller 63 Replacing the printer separation pad 65 Installing a new ADF 67 To - HP LaserJet 3300 | Service Manual - Page 58
paper with an average of five percent toner coverage and a medium density setting. Print cartridge life can be extended further by conserving toner using draft mode settings. Scanner calibration The scanner calibrates itself automatically at the start of scan of copy jobs. Normally, you don't need - HP LaserJet 3300 | Service Manual - Page 59
cartridge is installed. After printing approximately 2,500 pages. Whenever print quality problems appear. Clean the outside of the product with a water-dampened cloth. Clean the inside with only a dry, lint-free cloth (such as a lens tissue). To avoid permanent damage to the print cartridge, do - HP LaserJet 3300 | Service Manual - Page 60
prevent spotting. Dust might appear on the underside of the glass, but this cannot be cleaned and it has no effect on the copy or scan quality. Cleaning the lid backing Minor debris can accumulate on the white document lid backing located underneath the product's lid. 1 Turn off the product, unplug - HP LaserJet 3300 | Service Manual - Page 61
print path The HP LaserJet 3300mfp series features a special cleaning mode to clean the paper path. This process requires a transparency to remove dust and toner from the print Service and press menu/enter 4 Scroll to Cleaning Mode and press menu/enter. 5 The transparency feeds through the printer - HP LaserJet 3300 | Service Manual - Page 62
the black sponge transfer roller inside the printer. Touching it can reduce the print quality. 4 2 Wipe the media path area and the print cartridge cavity with a dry, lint- free cloth. Note Use only a dry, lint-free cloth to remove dust and toner. Using a vacuum or other device to clean - HP LaserJet 3300 | Service Manual - Page 63
want to clean the pickup roller rather than replace it, follow the instructions below: Remove the pickup roller as described in 2 steps 1 through 5 of "Replacing the printer pickup roller" on page 63. 1 Dampen a lint-free cloth in isopropyl alcohol and scrub the roller. WARNING! Alcohol is - HP LaserJet 3300 | Service Manual - Page 64
want to clean the separation pad rather than replace it, follow the instructions below: 1 Remove the separation pad as described in steps 1 through 5 of 2 "Replacing the printer separation pad" on page 65. 2 Dab a lint-free cloth in isopropyl alcohol, and scrub the pad. WARNING! Alcohol is - HP LaserJet 3300 | Service Manual - Page 65
User-replaceable parts 1 Replacing the printer pickup roller If the printer regularly misfeeds (no media feeds from the product, and allow the product to cool. 3 2 Open the print cartridge door, and remove the print cartridge. 3 Locate the pickup roller. 4 4 Release the small, white tabs - HP LaserJet 3300 | Service Manual - Page 66
top of the new pickup roller into position until the white tabs on each side of the roller snap the roller into place. 8 8 Reinstall the print cartridge and close the print cartridge door. 9 9 Plug the product in to turn it back on. 64 Chapter 3 - Maintenance EN - HP LaserJet 3300 | Service Manual - Page 67
printer pickup roller" on page 61 for 2 instructions. If the input tray feeds more than one page at a time, you might have to replace the printer separation pad. Recurring feed problems indicate that the printer separation pad and twist until the tabs are free. 5 5 Reach in through the input - HP LaserJet 3300 | Service Manual - Page 68
6 6 With one hand, reach through the input tray opening, and push the spring-loaded base down. With the other hand, position the new separation pad in the slot of the previous separation pad. Note 7 The tab on the right is larger to help you position the separation pad correctly. 7 Snap - HP LaserJet 3300 | Service Manual - Page 69
a new ADF If the HP LaserJet 3300mfp came without an ADF, an ADF can be added. An ADF may need to be replaced if it has abnormal media jams. To install a new or 1 replacement ADF 1 Remove the flatbed scanner lid by opening it and gently lifting straight up. Note If you are replacing - HP LaserJet 3300 | Service Manual - Page 70
ADF lid. WARNING! To avoid damaging the product, do not allow the ADF lid to fall onto the flatbed scanner. Always close the ADF lid when the product is not in use. 6 6 Install the ADF input tray by aligning the two tabs on the input tray with the two grooves in the - HP LaserJet 3300 | Service Manual - Page 71
Changing an ADF pick roller assembly If the ADF has trouble picking paper, the ADF pick roller assembly may need to be replaced: 1 1 Unplug the power cord from the product. If you have a 220V product, turn - HP LaserJet 3300 | Service Manual - Page 72
6 6 To check for proper installation, lift the green lever until it remains open. The new pickup roller assembly should be secured to the lever assembly and should not fall out. 7 7 - HP LaserJet 3300 | Service Manual - Page 73
Removing and replacing the control panel bezel 1 1 Unplug the power cord from the product. If you have a 220V product, turn off the power switch. 2 Remove the existing control panel 2 bezel by lifting up on both sides of the bezel edges until all the snaps are disengaged. Set the old bezel - HP LaserJet 3300 | Service Manual - Page 74
72 Chapter 3 - Maintenance EN - HP LaserJet 3300 | Service Manual - Page 75
panel 78 Draft mode 78 MEt 78 Enhanced I/O 79 PJL overview 79 Scanner and ADF functions and operation 80 Scanner Functions 80 Scanner Operation 81 ADF Operation 81 ADF paper path and ADF sensors 82 ADF Jam Detection 83 Printer functions and operation 84 Engine control unit/power system - HP LaserJet 3300 | Service Manual - Page 76
Basic functions This chapter presents a functional overview of the HP LaserJet 3300mfp series. The following systems are discussed: formatter functions scanner and ADF functions and operation printer functions and operation • ECU (engine controller unit) system/power system • image formation system - HP LaserJet 3300 | Service Manual - Page 77
Computer HP 3300 Product ADF Scanner Formatter Scanner Fax LIU Formatter Printer Printer Engine ECU Figure 10. Product configuration EN Basic functions 75 - HP LaserJet 3300 | Service Manual - Page 78
systems. It is responsible for the following: controlling the scanner formatter formatting and controlling copies receiving and processing print data from the printer interface monitoring the control panel and relaying printer status information developing and coordinating data placement and timing - HP LaserJet 3300 | Service Manual - Page 79
failure. The flash memory requires a DIMM recovery of the firmware code (see Chapter 6). Contact Service Control code failure. The flash memory requires a DIMM recovery of the firmware code (see Chapter 6). Hewlett Packard Moving cursor HP - HP LaserJet 3300 | Service Manual - Page 80
by the fax/send button on the HP LaserJet 3330). Draft mode Depending on which driver is used, selecting draft or EconoMode from the driver allows the product to use approximately fifty percent less toner, extending the life of the print cartridge. MEt HP MEt effectively doubles the standard memory - HP LaserJet 3300 | Service Manual - Page 81
allows you to return to your application sooner. Enhanced I/O has the print-data loss is likely in these instances, and the product will display an error message. PJL overview Printer Job Language (PJL) is an integral part of configuration, in addition to the standard Printer Command Language (PCL - HP LaserJet 3300 | Service Manual - Page 82
of the raster line. If using the ADF, the document then advances in the ADF to the next raster line. If using the flatbed, the scanner module advances to the next raster line. This advancing and collection process continues up to the end of the sheet. 80 Chapter 4 - Operational overview EN - HP LaserJet 3300 | Service Manual - Page 83
bits per pixel (24-bit color). Scanner Operation Upon power-up and periodically at other times, the scanner scan is initiated (from software or control panel), the scan module moves to the left side of the scan tub and stops. The image is acquired as the paper is fed through the ADF past the scanner - HP LaserJet 3300 | Service Manual - Page 84
Paper present sensor Pre-pick roller Picks top sheet INPUT TRAY PAGE EJECTS FULLY OUTPUT AREA Prescan rollers Postscan rollers Figure 12. ADF glass Document scanner path The paper present sensor determines if paper is in the ADF. The form sensor detects the top and bottom edges of the document - HP LaserJet 3300 | Service Manual - Page 85
to the home position at the right side of the scanner assembly. The control panel displays the message Doc. Feed Jam. Other-If the paper stops in the ADF and the scan module remains under the ADF scanner glass, an internal firmware error has probably occurred. This is usually remedied by cycling the - HP LaserJet 3300 | Service Manual - Page 86
groups: engine control formatter image formation laser/scanner pickup and feed The following figure is a block diagram of the printer and its relationship to the ADF/scanner and LIU: ADF Scanner System LIU Computer Formatter System Figure 13. Printer unit functional block diagram 84 Chapter - HP LaserJet 3300 | Service Manual - Page 87
circuitry. In several other HP LaserJet products, the ECU is also known as the controller PCA or the DC controller PCA. The ECU controls the following systems and functions: Printer engine control • paper motion monitoring and control (printing) • motor Printer laser/scanner Power system • AC power - HP LaserJet 3300 | Service Manual - Page 88
The following figure shows the various ECU loads: Figure 14. ECU loads 86 Chapter 4 - Operational overview EN - HP LaserJet 3300 | Service Manual - Page 89
control system Paper motion monitoring and control The ECU controls paper motion in the printer by continuously monitoring the various paper sensors and coordinating the timing with the other print processes. For a detailed explanation of paper movement and the interaction of the photo sensors - HP LaserJet 3300 | Service Manual - Page 90
is distributed to the DC power supply circuitry and to the AC driver circuitry, which controls AC voltage to the fuser assembly heating element. DC ECU Laser/beam detect circuitry +24 Vdc: Printer paper path motor Exhaust fan Laser/scanner motor Solenoid Formatter (routing only) High-voltage - HP LaserJet 3300 | Service Manual - Page 91
for the fusing system circuitry. Fuse F102 provides overcurrent protection to the printer DC power supply circuitry. You can check or replace the fuses by or negative DC voltage to the transfer roller according to the instructions from the engine control unit. This circuit also controls the image - HP LaserJet 3300 | Service Manual - Page 92
High voltage is disabled when the print cartridge door is open. When the left-side door is opened, the print cartridge door also opens, disabling high voltage. Figure 16. High-voltage power supply circuit 90 Chapter 4 - Operational overview EN - HP LaserJet 3300 | Service Manual - Page 93
the photosensitive drum, primary charging roller, developing station, toner cavity, and cleaning station. By including these components (which wear, degrade, or are consumed) in the replaceable print cartridge, the need for many service calls is eliminated. The special photosensitive properties of - HP LaserJet 3300 | Service Manual - Page 94
scanning mirror. As the mirror rotates, the beam reflects off the mirror, first through a set of focusing lenses, then off a mirror, and finally through a slot in the top of the print cartridge areas. 4 Transfer stage-During this process, the toner image on the drum surface is transferred to the - HP LaserJet 3300 | Service Manual - Page 95
-cleaning stage-During this process, the cleaning blade is in contact with the surface of the drum at all times. As the drum rotates during printing, the cleaning blade wipes excess toner off the drum and stores it in the waste toner receptacle. EN Printer functions and operation 93 - HP LaserJet 3300 | Service Manual - Page 96
following steps occur when the product receives a print job: Step 1 The ECU activates the laser/scanner assembly and the motor. Paper motion begins when drive rollers then advance the media to the transfer area where the toner image on the photosensitive drum is transferred to the media. Step 6 - HP LaserJet 3300 | Service Manual - Page 97
Straight-through output door Figure 18. Printer paper path EN Printer functions and operation 95 - HP LaserJet 3300 | Service Manual - Page 98
input tray. The top-of-page sensor (PS402) and the paper delivery sensor (PS401) detect media moving through the printer. If a jam is detected, the ECU immediately stops the printing process and displays a jam message on the control panel. A jam can be detected under any of the following conditions - HP LaserJet 3300 | Service Manual - Page 99
is installed properly. Printing cannot continue until the print cartridge door is closed and the print cartridge is in its correct position. 6 Solenoid (SL001) activates the pickup roller. 7 Paper-out sensor (PS201) senses when paper is in the main input tray or the priority input tray. EN Printer - HP LaserJet 3300 | Service Manual - Page 100
the top-of-page sensor (PS402). PRINT (Print) From the end of the initial toner image onto the media. To deliver the last page. Also to clean the primary charging roller. Detects whether or not the cartridge is installed. When the pickup command is sent from the video controller, the printer - HP LaserJet 3300 | Service Manual - Page 101
Figure 20. EN Printer timing diagram Printer functions and operation 99 - HP LaserJet 3300 | Service Manual - Page 102
dialing digits to firmware, and software all contribute to the fax functionality. The designs of the formatter and LIU along with parameters in the firmware determine the majority of the regulatory requirements for telephony on the product. The HP LaserJet 3330mfp fax subsystem is designed to support - HP LaserJet 3300 | Service Manual - Page 103
impedance. LIU in the fax subsystem Two versions of LIU are used in the HP LaserJet 3330mfp. One is used in the Americas and for Asia. The other is used (TNV - telephone network voltage) and the low-voltage analog and digital circuitry of the formatter (SELV - secondary extra low voltage). This - HP LaserJet 3300 | Service Manual - Page 104
300V differential, and crowbars to a low voltage. A series thermal switch works in conjunction with the crowbar for continuous some line interfaces this current flows through the transformer, but on the HP LaserJet 3330mfp LIU, it is blocked by a capacitor from going into the transformer. - HP LaserJet 3300 | Service Manual - Page 105
to manually connect. This is good because it allows the user to make voice calls from a phone connected to the HP LaserJet 3330mfp without being cut off during voice calls. Downstream current detection A signal that is optically coupled is the aux phone detect signal. This signal tells the firmware - HP LaserJet 3300 | Service Manual - Page 106
with a particular timing sequence to generate pulses recognized as dialing digits by the central office of the telephone company. Ring detect Another passed to the formatter indicating the ring is above the threshold. The firmware then measures the time the signal is high and low and qualifies the - HP LaserJet 3300 | Service Manual - Page 107
are the electronic images of the document page that have been scanned to be sent to another fax machine, have been generated to be sent by the computer, or have been received from a fax machine to be printed. The HP LaserJet 3330mfp stores all fax pages in flash memory automatically. Once these - HP LaserJet 3300 | Service Manual - Page 108
is off. Users can reprint faxes in case the print cartridge runs out of toner or the product has other errors while printing faxes. The HP LaserJet 3330mfp also has scan-ahead functionality that makes use of flash memory. Scan-ahead automatically scans pages into flash memory before a fax job is - HP LaserJet 3300 | Service Manual - Page 109
contents Removal and replacement strategy 109 Required tools 109 Before performing service 110 Print cartridge 110 Parts removal order 111 Separation of scanner from printer 113 Right side cover 113 Scanner side covers 115 Scanner assemblies 119 Flat lid or ADF assembly 119 The ADF pick - HP LaserJet 3300 | Service Manual - Page 110
Pickup assembly 154 Paper lift-plate assembly and pickup roller shaft 156 Right plate assembly 159 Left plate assembly 161 Bottom assemblies 162 Left bottom frame support 162 ECU fuses and ECU pan 163 Paper-feed assembly 167 108 Chapter 5 - Removal and replacement EN - HP LaserJet 3300 | Service Manual - Page 111
. Certain functional checks during troubleshooting must be performed with power supplied to the product. However, the power supply should be disconnected during removal of any parts. Never operate or service the product with the protective cover removed from the laser/scanner assembly. The reflected - HP LaserJet 3300 | Service Manual - Page 112
the print cartridge (see page 110). For service purposes, the upper part of the HP LaserJet 3300mfp series is in effect "the scanner" and the lower part is "the printer." Together they also act as a photocopier or fax machine, but the service description here is simplified by referring to copier or - HP LaserJet 3300 | Service Manual - Page 113
removing the part. Scanner/printer separation not required: LIU (HP3330 only) Formatter and RFI shield Left bottom frame support Right side cover Right scanner cover Back cover assembly Motor ECU Paper feed assembly Left side door Print cartridge door Front cover Front guide assembly Pickup assembly - HP LaserJet 3300 | Service Manual - Page 114
Speaker Control panel cable Printer top cover Solenoid Fan assembly Laser/scanner Left fuser support plate Right fuser support plate Fuser assembly Output rollers Right support cover (Print cartridge cover, front cover, front guide assembly) Right plate assembly Left support cover (Rear cover - HP LaserJet 3300 | Service Manual - Page 115
purposes, the upper part of the HP LaserJet 3300mfp series is in effect "the scanner" and the lower part is "the printer." Together they also act as a photocopier or fax machine, but the service description here is simplified by referring to copier or fax functionality only if specifically necessary - HP LaserJet 3300 | Service Manual - Page 116
4 Lift the right side of the product and release the tab (callout 1) on the bottom of the cover. 21 Figure 23. Removing the right side cover (2 of 3) 114 Chapter 5 - Removal and replacement EN - HP LaserJet 3300 | Service Manual - Page 117
the release tab, grasp the back of the cover, pull it out, backward, and guide it away from the front tabs. Figure 24. Removing the right side cover (3 of 3) Scanner side covers 1 Remove the two screws holding the right scanner side cover in place (callout 1). 2 Slide the cover back and away. 21 - HP LaserJet 3300 | Service Manual - Page 118
3 Open the print cartridge door and the left side door to expose the screws holding the left scanner side cover. 4 Repeat steps 1 and 2 for the left scanner side cover. 21 Figure 26. Removing the left scanner cover 5 Disconnect the flat flexible cable from the scanner formatter PCA. Thread it - HP LaserJet 3300 | Service Manual - Page 119
side of the product; the screw on the left side (callout 1) is directly opposite the screw on the right side. 21 Figure 28. Separating the scanner from the printer (2 of 4) 7 Remove the two screws from the back of the product (callout 1). 21 Figure 29. Separating the - HP LaserJet 3300 | Service Manual - Page 120
8 Slide the scanner back and lift it upward to separate it from the printer. Figure 30. Separating the scanner from the printer (4 of 4) 118 Chapter 5 - Removal and replacement EN - HP LaserJet 3300 | Service Manual - Page 121
Note Flat lid or ADF assembly The scanner cover is either a flat lid or an Automatic Document Feed (ADF) assembly. Removal of the ADF assembly is pictured here. 1 3 Slightly close the cover while lifting up to gently remove it. 21 Figure 31. Removing the ADF assembly EN Scanner assemblies 119 - HP LaserJet 3300 | Service Manual - Page 122
pick roller assembly The upper pick roller assembly and document feed guide are user replaceable parts, but the ADF separation pad is not. These instructions appear in chapter 3 of this manual and are repeated here. If the ADF has trouble picking paper, the ADF pick roller assembly may need to be - HP LaserJet 3300 | Service Manual - Page 123
. Press down on the green lever until the assembly snaps into place. 6 6 To check for proper installation, lift the green lever until it remains open. The new pickup roller assembly should be secured to the jams in the ADF, you may want to replace the ADF assembly. EN Scanner assemblies 121 - HP LaserJet 3300 | Service Manual - Page 124
upper pick assembly lever down, loosen the document feed guide one side at a time, then gently pull the guide back to remove. Figure 32. Removing the document feed guide (1 of 2) To reinstall Make sure that both sides of the document feed guide are snapped into place. Otherwise, ADF paper jams may - HP LaserJet 3300 | Service Manual - Page 125
using the #8 torx screwdriver. Figure 34. Removing the ADF separation pad 3 Pull gently on the rubber pad to lift out the ADF separation pad. EN Scanner assemblies 123 - HP LaserJet 3300 | Service Manual - Page 126
Control panel bezel 1 Remove the control panel bezel by lifting up on both sides of the bezel edges until all the snaps are disengaged. Set the bezel aside. Figure 35. Removing the control panel bezel To reinstall 1 Align the new bezel at the lower notch. The bezel notch should align to the inside - HP LaserJet 3300 | Service Manual - Page 127
. Then slide the control panel to the left to lock in place. Make sure the snap fit locks at the same tab shown above. EN Scanner assemblies 125 - HP LaserJet 3300 | Service Manual - Page 128
panel chassis by lifting up on both sides of the chassis to release tabs on the corners (callout 1), and pull the chassis away from the scanner body. 21 Figure 40. Note Removing the control panel chassis (2 of 2) The speaker and control panel cable are both replaceable parts. Ensure that the - HP LaserJet 3300 | Service Manual - Page 129
cover (page 115). 2 Disconnect five cables from the scanner formatter (callout 1). 3 Remove three screws (callout 2) and remove the scanner formatter. 21 Figure 41. Note 23 2 Removing the scanner formatter If the scanner and printer are not separated, one additional cable (callout 3) will need - HP LaserJet 3300 | Service Manual - Page 130
frame, and then lift out glass. 21 Figure 42. Removing the ADF scanner glass To reinstall Slide the ADF glass locking mechanism toward the back of the scanner until it locks in place. Install the ADF glass. When you install the frame for the ADF glass, the mechanism will release engaging the - HP LaserJet 3300 | Service Manual - Page 131
Printer covers Left side door 1 Open the left side door. 2 Remove the screw in the center of the door hinge (callout 1). 21 Figure 44. Removing the left side door 3 Lift the door away. EN Printer covers 129 - HP LaserJet 3300 | Service Manual - Page 132
without removing the left side door, but removing the back cover removes the support for the left side door leaving it vulnerable to breakage. 2 Open the The back cover has two tabs (not shown), one on the side of the printer and one on the bottom. You may want to use a screwdriver to press on - HP LaserJet 3300 | Service Manual - Page 133
4 Press down and hold the two release levers (callout 1) and pull off the back cover. 12 Figure 46. Removing the back cover (2 of 2) EN Printer covers 131 - HP LaserJet 3300 | Service Manual - Page 134
top cover 1 Separate the printer from the scanner (page 113). Remove the left side door, right side cover, and back cover (pages 129 through 130), and open the print cartridge door. 2 Remove six screws (callout 1) on the top of the printer. 3 Lift the cover off the printer. 21 Figure 47. Removing - HP LaserJet 3300 | Service Manual - Page 135
the front cover (the frame that surrounds the main input tray) the front guide assembly (the internal shelf that attaches the front cover and the print cartridge door to the product) Print cartridge door 1 Open the print cartridge door. 2 On both sides, pull the connecting links from the inside of - HP LaserJet 3300 | Service Manual - Page 136
3 Detach the print cartridge door hinge (callout 1) on the right side by flexing the hinge arm to the right. Then rock the print cartridge door to the left to remove it. 21 Figure 49. Removing the print cartridge door (2 of 2) 134 Chapter 5 - Removal and replacement EN - HP LaserJet 3300 | Service Manual - Page 137
Front cover 1 Remove the left side door (page 129), right side cover (page 113), and print cartridge door (page 133). 2 Loosen two screws (one shown, callout 1), one on each side of the tab locations to guard against breakage (callout 1). 21 Figure 51. Front cover removed EN Printer covers 135 - HP LaserJet 3300 | Service Manual - Page 138
3 At the same time, push down on both the top center and bottom center of the front cover until the top center tabs pop out of place. Keep pressure on the bottom center of the panel to guard against tab breakage. Figure 52. Removing the front cover (2 of 2) 4 Pull the panel forward just far enough - HP LaserJet 3300 | Service Manual - Page 139
left side door and remove the right cover (page 113), the print cartridge door (page 133), and the front cover (page 135). 2 From the front of the printer, remove two screws (callout 1). 21 Figure 53. Removing the front guide assembly (1 of 3) 3 On the right side, release the lower tab (callout - HP LaserJet 3300 | Service Manual - Page 140
2 21 Figure 54. Removing the front guide assembly (2 of 3) 4 On the left side, release the upper tab (callout 1) and the lower tab (callout 2). 5 Remove the front guide assembly. 21 2 Figure 55. Removing the front guide assembly (3 of 3) 138 Chapter 5 - Removal and replacement EN - HP LaserJet 3300 | Service Manual - Page 141
) 1 Remove the two screws holding the left support cover (one shown in callout 1, one on the side) and one screw holding the right support cover (callout 2). Lift up and rotate toward the front to remove. 21 2 Figure 56. Removing the left and right support covers EN Printer assemblies 139 - HP LaserJet 3300 | Service Manual - Page 142
door and remove the print cartridge (page 110). 2 Use needle-nose pliers to gently squeeze the two small tabs on the transfer roller. 3 Lift the transfer roller up, slide it to the right, and lift it out of the printer. Figure 57. CAUTION Removing the transfer roller Do not touch the black - HP LaserJet 3300 | Service Manual - Page 143
(callout 1). 3 Disconnect the flat flexible cable (callout 2) from the connector. 4 Rotate the LIU around the hooks to remove. 2 21 Figure 58. Removing the LIU EN Printer assemblies 141 - HP LaserJet 3300 | Service Manual - Page 144
Note Formatter Removal of the LIU is not necessary to remove the formatter. However, it may make reinstallation easier. 1 Open or remove the left side door (page 129). 2 Disengage the connector lock and disconnect the flat flexible cable at the bottom of the formatter (callout 1). 21 Figure 59. - HP LaserJet 3300 | Service Manual - Page 145
removing the bottom of the formatter, disconnect the two flat flexible cables from connectors at the top of the formatter, and unplug the scanner motor cable from the formatter (callout 1). 21 Figure 61. EN Removing the formatter (3 of 3) To reinstall When you reconnect the bottom cable, make - HP LaserJet 3300 | Service Manual - Page 146
Note Fuser assembly 1 Separate the scanner from the printer (see pages 113 through 118) and remove the left side door, back cover, and printer top cover (pages 129, 130, and 132). 2 Remove two screws (callout 1) from the right fuser support plate. 3 Remove a third screw (callout 2) from behind the - HP LaserJet 3300 | Service Manual - Page 147
4 Remove three screws (callout 1) from the left fuser plate and remove it. 21 Figure 63. Removing the fuser assembly (2 of 4) EN Printer assemblies 145 - HP LaserJet 3300 | Service Manual - Page 148
5 Remove two screws (callout 1), one from each side of the printer. 21 Figure 64. Removing the fuser assembly (3 of 4) 146 Chapter 5 - Removal and replacement EN - HP LaserJet 3300 | Service Manual - Page 149
assembly. 8 Unplug the spade connector (callout 3). 9 Remove one screw (callout 4) from the paper-delivery sensor, and lift out the paper-delivery sensor. 10 Gently lift out the fuser assembly. 24 21 23 2 Figure 65. Removing the fuser assembly (4 of 4) To reinstall Remove the large gear from - HP LaserJet 3300 | Service Manual - Page 150
Output rollers Facedown delivery assembly 1 Remove the fuser assembly (see page 144). 2 Remove two screws (callout 1) and lift the facedown delivery assembly away from the fuser assembly. 21 Figure 66. Removing the output rollers (1 of 2) 148 Chapter 5 - Removal and replacement EN - HP LaserJet 3300 | Service Manual - Page 151
fuser assembly. 21 2 Figure 67. Removing the output rollers (2 of 2) Reinstall note Flex the faceup roller bushing to pop the pin back into place. EN Printer assemblies 149 - HP LaserJet 3300 | Service Manual - Page 152
Note Motor You might find it easier to remove the ECU pan (see page 164) before you remove the motor. 1 Separate the scanner from the printer (see pages 113 through 118) and remove the left side door and back cover (pages 129 and 130). 2 Remove the fuser assembly (see page 144). 3 - HP LaserJet 3300 | Service Manual - Page 153
the scanner from the printer (see pages 113 through 118) and remove the left side door and back cover (pages 129 and 130). 2 Unplug five cable connectors (callout 1) from the ECU and separate the solenoid cable from the other four cables. 3 Carefully unwind the solenoid cable from the cable guides - HP LaserJet 3300 | Service Manual - Page 154
4 Remove the screw (callout 1) on the solenoid. 5 Gently thread the solenoid cable through the hole (callout 2) in the right side plate. 6 Lift off the solenoid. 21 2 Figure 70. Removing the solenoid (2 of 2) To reinstall It might be easier to remove the ECU pan (see page 164) before rerouting - HP LaserJet 3300 | Service Manual - Page 155
the scanner from the printer (see pages 113 through 118) and remove the left side door and back cover (pages 129 and 130). 2 Unplug the five cable connectors (callout 1) from the ECU and separate the fan cable from the other four cables. 3 Carefully unwind the fan cable from the cable guides - HP LaserJet 3300 | Service Manual - Page 156
4 Remove two screws (callout 1). 5 Remove the fan assembly. 6 Gently thread the fan cable through the hole (callout 2) in the right side plate. 7 Remove the fan assembly. . 21 2 Figure 72. Removing the fan (2 of 2) To reinstall It might be easier to remove the ECU pan (see page 164) before - HP LaserJet 3300 | Service Manual - Page 157
Pickup assembly 1 Remove the right side cover, print cartridge door, front cover, and front guide assembly (see pages 113, 133 through 138). 2 Remove one screw (callout 1). 21 Figure 73. Removing the pickup assembly plate (1 of 3) EN Printer assemblies 155 - HP LaserJet 3300 | Service Manual - Page 158
3 Remove two screws (callout 1) on the top of the upper metal shield. 21 Figure 74. Removing the pickup assembly plate (2 of 3) 4 Lift the upper metal shield (callout 1) straight up and remove it. 5 Lift the lower metal shield (callout 2) straight up and remove it. 2 21 Figure 75. Removing the - HP LaserJet 3300 | Service Manual - Page 159
Paper lift-plate assembly and pickup roller shaft 1 Remove the front cover, print cartridge door, and front guide assembly (see pages 133 through 138). 2 Remove the pickup assembly (see page 155). 3 Release the locking tab on the pickup roller shaft as shown. 21 2 - HP LaserJet 3300 | Service Manual - Page 160
5 Carefully angle the left end of the shaft back. 21 2 Figure 77. Removing the paper lift-plate assembly (2 of 3) 6 Flip up the paper lift-plate and lift it straight up to remove it. 21 2 Figure 78. Removing the paper lift-plate assembly (3 of 3) 158 Chapter 5 - Removal and replacement EN - HP LaserJet 3300 | Service Manual - Page 161
under the plate. The springs rest under the lift-plate and they encircle the metal tabs shown in the picture (callouts 1 and 2). 2 21 Figure 79. Paper lift-plate springs 7 If desired, remove the pickup roller shaft by carefully angling the left side out. Figure 80. Removing the pickup roller - HP LaserJet 3300 | Service Manual - Page 162
the paper lift-plate. Right plate assembly 1 Separate the scanner from the printer (see pages 113 through 118) and remove the left side door and back cover (pages 129 and 130). 2 Remove the front cover, print cartridge door, and front guide assembly (see pages 133 through 138). 3 Remove the solenoid - HP LaserJet 3300 | Service Manual - Page 163
fuser (already removed from photo), and the 69T gear (callout 2). 7 Remove the right plate assembly. 21 2 Figure 82. Removing the right plate assembly (2 of 2) EN Printer assemblies 161 - HP LaserJet 3300 | Service Manual - Page 164
Left plate assembly 1 Separate the scanner from the printer (see pages 113 through 118) and remove the left side door and back cover (pages 129 and 130). 2 Remove the front cover, the print cartridge door, and the front guide assembly (see pages 133 through 138). 3 Remove the formatter (see page 142 - HP LaserJet 3300 | Service Manual - Page 165
Bottom assemblies Left bottom frame support 1 Open the left side door. 2 Remove three screws (callout 1). 21 Figure 84. Removing the left bottom frame support 3 Disconnect the locking connector and free the flat flexible cable from the bottom of the formatter. 4 Remove the left bottom frame - HP LaserJet 3300 | Service Manual - Page 166
and 20A for the 220V model. The other fuse is 2.5A, 110V for both models (callout 3 in Figure 89). 2 Remove the left bottom frame support (page 113). 3 Unplug the three spade connectors (callout 1). 4 Disconnect the motor cable connector (callout 2) on the side of the motor. 5 Unplug the fuser cable - HP LaserJet 3300 | Service Manual - Page 167
disconnect the flat flexible cable (callout 1). Remove one screw (callout 2) on the left side of the printer. 2 21 Figure 86. Removing the ECU pan (2 of 5) 8 Remove two screws (callout 1) on the right side of the printer. 21 Figure 87. Removing the ECU pan (3 of 5) EN Bottom assemblies 165 - HP LaserJet 3300 | Service Manual - Page 168
Note 9 Gently lift the ECU pan in the printer and slide it backward to free it from the pins on the inside of the printer (callout 1). The entire ECU board can be replaced as a single unit. (Only soldered cables ship with the replacement board; if other cables are damaged during - HP LaserJet 3300 | Service Manual - Page 169
10 Remove five screws (callout 1). 11 Unclip the wire from the connector (callout 2). 12 Lift the ECU out of the ECU pan. 2 23 21 Figure 89. Note Removing the ECU pan (5 of 5) Callout 3 in the figure above shows the two fuses on the ECU (see the note on page 164). EN Bottom assemblies 167 - HP LaserJet 3300 | Service Manual - Page 170
1 Separate the scanner from the printer (see pages 113 through 118) and remove the left side door and back cover (pages 129 and 130). 2 Remove the right plate assembly (see page 160). 3 Remove the ECU pan (see page 164). 4 Unwind the fan and solenoid cables from the cable guides (callout 1) on - HP LaserJet 3300 | Service Manual - Page 171
7 Separate two bushings (on the bottom of the paper-feed mechanism) from the paper-feed roller shaft (callout 1), and lift up and out the paper-feed mechanism. 21 2 Figure 91. Removing the paper-feed assembly (2 of 4) To reinstall Insert the bottom of the sensor flag into the hole (callout 2) in - HP LaserJet 3300 | Service Manual - Page 172
Note 8 Use needle-nose pliers to push the two tabs away from the end of the paper-feed roller shaft. You might find it easier to first remove the right plate assembly (see page 160). Do not remove the gear shield, because the gears and springs can easily separate and become misplaced. 9 Pull the - HP LaserJet 3300 | Service Manual - Page 173
To reinstall 1 Insert the two tabs (callout 1) on the paper-feed assembly into the two recesses. 2 Insert the bottom of the sensor flag into the hole in front of the paper-feed roller shaft (see callout 2 on page 169). The top of the sensor flag (callout 2) should move freely. 21 2 Figure 93. - HP LaserJet 3300 | Service Manual - Page 174
172 Chapter 5 - Removal and replacement EN - HP LaserJet 3300 | Service Manual - Page 175
178 Control panel messages 178 Critical error messages 185 Checking the print cartridge 187 Solving image-quality problems 188 Solving paper-feed problems 197 Solving print paper-feed problems 197 Solving scanner (copier) paper-feed problems 199 Functional checks 200 Engine test 200 Half - HP LaserJet 3300 | Service Manual - Page 176
Hewlett Packard is displayed with moving cursors indicating that the firmware code is loading, and the printer motor rotates for approximately five seconds. When the firmware is done loading (30-40 seconds after power-on), Scanner bulb management is displayed and the scan toner cartridge is present. - HP LaserJet 3300 | Service Manual - Page 177
to correct the error. Media does not move smoothly through the printer paper path. Isolate printer paper-path problems by performing a paper-path check, which is discussed later in this chapter. Poor print quality. See "Solving image-quality problems" on page 188. EN Basic troubleshooting 175 - HP LaserJet 3300 | Service Manual - Page 178
the ADF and copies should print without print-quality problems. Make a copy from the flatbed as well. 5 Does the LaserJet 3330mfp send a fax? Connect the If, after performing the maintenance, the problem persists, replace the scanner assembly. 1. If the print quality from the internal tests and the - HP LaserJet 3300 | Service Manual - Page 179
LaserJet Director or HP LaserJet Director is not running. Solutions Uninstall and then reload the product software. Make sure you use the correct installation procedure and the correct port setting. Reconnect the cable. Select the proper driver. Disconnect the other devices and try again to print - HP LaserJet 3300 | Service Manual - Page 180
print data, or scanning commands, the control panel displays messages to these affects. In addition, the product displays alert messages, warning messages, and critical error printing and the auto-continue is on, the product will attempt to resume the printing job after displaying the warning for 10 - HP LaserJet 3300 | Service Manual - Page 181
"Programming group-dial codes" in the User Guide on the product CD. Canceled Copy. Clear Document Canceled Scan. Clear Document The cancel key was pressed to phone line. Try a different phone cord. If the error persists, check the flat flexible cable between the LIU and the formatter. Reseat or - HP LaserJet 3300 | Service Manual - Page 182
up. The print cartridge door is open or the print cartridge is not installed properly. The product experienced an internal communication error. Open the the busy number. (See "Changing how the product redials" in the User Guide on the product CD.) Allow the product to retry sending the fax. Call - HP LaserJet 3300 | Service Manual - Page 183
persists, check the flat flexible cable between the LIU and the formatter. Reseat or replace the cable. If the error persists, replace the LIU. Fax Send Error An error occurred while trying to send a fax. Try resending the fax. Try faxing to another fax number. Check that the telephone cord is - HP LaserJet 3300 | Service Manual - Page 184
was turned off. Solutions Press cancel to clear the error. Use the HP LaserJet Director to make multiple copies of large documents, or break User Guide on the product CD. If the error persists, replace the LIU. If, after replacing the LIU, the error persists, replace the formatter. Print the - HP LaserJet 3300 | Service Manual - Page 185
, see Chapter 3, "Maintenance." Printer Mispick [Enter]To Resume The print engine has failed to pick up a piece of media. Reload the paper in the paper input tray and press menu/enter to continue the job. If the error persists, replace the printer pickup roller. Printer Tray Is The paper input - HP LaserJet 3300 | Service Manual - Page 186
Message Possible causes Solutions Scanner Reserved The product is being used to For PC Scan create a scan by a computer. Wait until the PC scan has finished, or cancel the scan from the computer software, or press cancel. Scanning Error. The product cannot transmit scan Check the connection - HP LaserJet 3300 | Service Manual - Page 187
has experienced an internal hardware error. 51 Laser Error The product has experienced an internal hardware error. 52 Scanner Error The product has experienced an internal hardware error. 79 Error The product has experienced an PowerOff>PowerOn internal firmware error. Solution Disconnect the - HP LaserJet 3300 | Service Manual - Page 188
left and the bulb will light. When it does, cycle the power. 2. Repeat the first step until the scan module is about three centimeters (about an inch) from the right edge of the scan glass. 3. Plug in the unit. If the error persists, replace the scanner assembly. 186 Chapter 6 - Troubleshooting EN - HP LaserJet 3300 | Service Manual - Page 189
766 gm. (27.0 oz.) when it first fades, and approximately 742 gm. (26.2 oz.) when it is empty. To redistribute toner in the print cartridge Before installing a new print cartridge or when toner begins to run low, redistribute the toner by rotating the cartridge back and forth five or six times. EN - HP LaserJet 3300 | Service Manual - Page 190
out of toner. Replace the print cartridge. (See "Print cartridge" on page 110.) The media you are using does not meet Make sure that the media meets HP's specifications (for example, it is too specifications detailed in the Print Media moist or too rough). Guide for the HP LaserJet family. The - HP LaserJet 3300 | Service Manual - Page 191
in the software. The print cartridge is defective. Try reprinting the job. Adjust the print density from the device configuration utility. Make sure that the media meets HP's specifications. Make sure that the media meets specifications detailed in the Print Media Guide for the HP LaserJet family - HP LaserJet 3300 | Service Manual - Page 192
it is too specifications detailed in the Print Media moist or too rough). Guide for the HP LaserJet family. The print cartridge needs to be replaced. Replace the print cartridge. The fuser temperature is too low. Select Optimize for: in the Paper tab of the driver. Make sure that it is set for - HP LaserJet 3300 | Service Manual - Page 193
(for example, it is too specifications detailed in the Print Media moist or too rough). Guide for the HP LaserJet family. The print cartridge needs to be replaced. The driver is not set for the correct media. Replace the print cartridge. 1. Select Optimize for: in the Paper tab of the - HP LaserJet 3300 | Service Manual - Page 194
problems (continued) Problem Characters are poorly formed and are producing hollow images. Cause The media is too slick. The driver is not set for the correct media. Solution Try a different media. Make sure that the media meets specifications detailed in the Print Media Guide for the HP LaserJet - HP LaserJet 3300 | Service Manual - Page 195
does not meet HP's specifications (for example, it is too moist or too rough). The toner is low. Make sure that the media meets specifications detailed in the Print Media Guide for the HP LaserJet family. Gently shake the print cartridge back and forth to redistribute the toner. EN Errors 193 - HP LaserJet 3300 | Service Manual - Page 196
media meets specifications detailed in the Print Media Guide for the HP LaserJet family. Gently shake the print cartridge back and forth to redistribute the toner. 1. Clean the ADF glass. 2. If the problem persists, replace the print cartridge. 3. If the problem persists, replace the fuser assembly - HP LaserJet 3300 | Service Manual - Page 197
HP LaserJet Director or HP Document Manager. Clean the printer. (See "Cleaning the print path" on page 59.) Clean the ADF path. (See "Cleaning the product" on page 57.) 1. Replace the print cartridge if it is damaged and if maintenance procedures do not improve print quality. 2. Replace the scanner - HP LaserJet 3300 | Service Manual - Page 198
the settings in the HP LaserJet Copier software. Large amounts of toner are scattered around the characters. The media resistivity is too high. 1. Use a different media type. Make sure that the media meets specifications detailed in the Print Media Guide for the HP LaserJet family. 2. Turn the - HP LaserJet 3300 | Service Manual - Page 199
guides. Verify that the guides are not adjusted too tightly or too loosely against the paper. Check for broken or missing guides and replace as necessary. Make sure that the media meets specifications detailed in the Print Media Guide for the HP LaserJet family. EN Solving paper-feed problems - HP LaserJet 3300 | Service Manual - Page 200
paper around to feed the opposite end first, or use a different type of paper. Make sure that the media meets specifications detailed in the Print Media Guide for the HP LaserJet family. Do not allow more than 125 sheets of 20-lb. (75 g/m2) bond weight paper (less for heavier paper) to fill the - HP LaserJet 3300 | Service Manual - Page 201
Solving scanner (copier) paper-feed problems Table 21. Solving scanner paper-feed problems Problem Long pages stop feeding through the ADF. Cause The document is too long. The paper delivery sensor is damaged. Scanned items The media input tray guides are not set are crooked. correctly, are - HP LaserJet 3300 | Service Manual - Page 202
printer problems. The engine test prints horizontal lines down the entire printable area of a page and is also useful for checking and adjusting registration. Printing figure 86 on page 165.) Otherwise, the printer does not print. You must override the print cartridge door interlock (SW 301). (See " - HP LaserJet 3300 | Service Manual - Page 203
halfway through the printer (about five seconds after the motor begins rotation). The leading edge of the paper should have advanced past the print cartridge. 3 Remove the print cartridge. 4 Open the print cartridge drum shield to view the drum surface. If a dark and distinct toner image is present - HP LaserJet 3300 | Service Manual - Page 204
important if refilled print cartridges have been used. 1 Open the print cartridge door. 2 Remove the print cartridge. 3 Mark the drive gear on the cartridge with a felt-tipped marker. Note the position of the mark. 4 Install the print cartridge and close the print cartridge door. The startup - HP LaserJet 3300 | Service Manual - Page 205
Paper passes between the heating element and a soft pressure roller to fuse toner to the paper. 1 Unplug the product for at least ten minutes. between the two pins at the end of the cable. Normal resistance is 25 ohms +/- 10 ohms for the 110V product and 80 ohms +/- 20 ohms for the 220V product. If - HP LaserJet 3300 | Service Manual - Page 206
necessary voltages for the electrophotographic processes. To check the print cartridge connection points Turn the print cartridge over and visually inspect the three connection points on the ends of the print cartridge: drum ground (callout 1), charging (callout 2), and developing roller (callout - HP LaserJet 3300 | Service Manual - Page 207
To check the high-voltage connector assembly The assembly uses three spring-loaded pins to contact the print cartridge: drum ground (callout 1), charging (callout 2), and developing roller (callout 3). Verify that the pins are not dirty or corroded and that the spring-loading action is - HP LaserJet 3300 | Service Manual - Page 208
the left side door and print cartridge door. Disengage the two print cartridge door arms. 2 Install the print cartridge, which will press SW301. 3 Press down the laser/scanner interlock switch (callout 1) on the laser/scanner. 4 While SW301 and the laser/scanner interlock are engaged, perform an - HP LaserJet 3300 | Service Manual - Page 209
the product. On flash-memory-based products, you can update the firmware code by downloading the latest flash executable for the product and running the program according to the readme instructions that come with it. If the firmware should become corrupted or fail (usually because of an interruption - HP LaserJet 3300 | Service Manual - Page 210
of firmware code. Wait until you see the message Complete in the display. 4 Unplug or turn off the product and remove the recovery DIMM. 5 Restore power to the product. It should start up normally. 6 Return the recovery DIMM in the provided packaging to HP. 208 Chapter 6 - Troubleshooting EN - HP LaserJet 3300 | Service Manual - Page 211
Troubleshooting tools Internal reports Use the control panel to print configuration reports and demonstration pages. The configuration report shows the settings selected from the control panel. Printing a configuration report is also considered a "self test" for the printer, although any of the - HP LaserJet 3300 | Service Manual - Page 212
-one-touch, speed-dial, and group-dial report T.30 protocol trace Use a T.30 protocol trace report to troubleshoot fax transmission issues. To print a T.30 protocol trace report 1 Press menu/enter. 2 Use the < or > key to select Service and then press menu/ enter. 3 Use the < or > key to select - HP LaserJet 3300 | Service Manual - Page 213
errors. HP machines may optionally choose to resend the entire failed pages, but we will be unable to determine if the received page corrects problems with a previously received page. Reattempt the fax reception at a different time when telephone line conditions have improved. EN Troubleshooting - HP LaserJet 3300 | Service Manual - Page 214
to initiate a fax session at a speed and modulation that is not supported by the local machine. The remote machine has attempted to initiate a line conditions have improved. 2 If the error persists, and error correction is in use for the fax session, disable ECM. 212 Chapter 6 - Troubleshooting EN - HP LaserJet 3300 | Service Manual - Page 215
error codes (continued) Error code 238 239 (ECM error) 240 (ECM error) 241 (ECM error) 242 243 244 245 246 (ECM error) 247 - 251 Error polling, but the remote machine did not support this mode of operation. The user of Disable ECM and reattempt the fax reception. None. EN Troubleshooting tools 213 - HP LaserJet 3300 | Service Manual - Page 216
error codes (continued) Error code 252 253 281 282 283 284 285 Error definition Telephone line conditions were too poor to receive a fax. The remote machine has attempted to initiate a page transmission using a page width that is not supported his or her machine 214 Chapter 6 - Troubleshooting EN - HP LaserJet 3300 | Service Manual - Page 217
was requested. This is an implementation error from the remote machine. Disable ECM and reattempt the reception. The remote encoding change to support photo mode. This isn't a communication error, and it is not expected that this error will occur support photo mode. EN Troubleshooting tools 215 - HP LaserJet 3300 | Service Manual - Page 218
temporarily disabled answering document. This error should be support a None fax reception at any speed or modulation that is supported by the local machine. The remote machine cannot support a fax reception at the page width selected by the local machine. None 216 Chapter 6 - Troubleshooting - HP LaserJet 3300 | Service Manual - Page 219
- 328 (ECM error) 329 - 331 332 - 343 Error condition The local machine has attempted to initiate a binary file transfer (BFT) but has detected that the remote machine does not support this mode of operation -OrSelect a lower speed for the initial transmission speed. EN Troubleshooting tools 217 - HP LaserJet 3300 | Service Manual - Page 220
error codes (continued) Error code 344 - 348 349-353 (ECM error) 354-355 356 - 361 362-366 (ECM error) 367 - 372 373-377 (ECM error) 378-379 380 381 382 Error machine has encountered a system problem such as no paper or using error correction, disable ECM have improved. 2 Disable ECM. Resend the - HP LaserJet 3300 | Service Manual - Page 221
error codes (continued) Error code 383 384 386 387 388 389 Error that does not support this mode. The capable or has disabled reception. It may error to occur because of compatibility problems have improved. 2 Disable V.34 on have improved. 2 Disable V.34 on the have improved. 2 Disable V.34 on the - HP LaserJet 3300 | Service Manual - Page 222
the transmission after making sure documents stored in memory are printed, and the unit has paper ready for printing. If the problem persists, reinitialize permanent storage. The local machine has originated a fax session without error correction (not V.34). Transmission of an image has been - HP LaserJet 3300 | Service Manual - Page 223
the primary channel. This is a V.34 error. This error may be associated with line conditions although it is more likely to be caused by internal problems with the modem. Reattempt the fax reception at a different time when telephone line conditions have improved. EN Troubleshooting tools 221 - HP LaserJet 3300 | Service Manual - Page 224
error codes (continued) Error code 431 440-444 Error The session was aborted. Error occurred during a V. Print a fax log report (see the user guide for instructions). The fax log report contains information about the product's interpretation of the problem phase in which the error occurred. ??? is - HP LaserJet 3300 | Service Manual - Page 225
mode 10 DCS detected 11 Transmit TCF/training 12 Transmit FSK 13 Training (synchronize signals), check for errors 14 Transmit CFR 15 Detect CFR Phase C-Message transmission (page/scan transmission) (hangup sequence) 21 Transmit DCN 22 Station hangs up EN Troubleshooting tools 223 - HP LaserJet 3300 | Service Manual - Page 226
(PPS-EOM) (PPS-PRI-MPS) (PPS-PRI-EOP) (PPS-PRI-EOM) (RR) DCN Comments Appropriate responses Identifying capabilities: from a manual receiver or an auto-answer unit (NSC) (CIG) DTC (TSI) DCS (NSF) (CSI) DIS (CRP) (TSI) (NSS) ( RNR) (ERR) MCF PIP PIN (CRP) None 224 Chapter 6 - Troubleshooting EN - HP LaserJet 3300 | Service Manual - Page 227
10 to -43 (-43 is a weak signal; see explanation below Figure 85, Example of a successfully received fax) Disconnect X101 1111 Digital command signal X100 0001 Digital identification signal 0000 0001 Digital identifier separating commands/scans; precedes command mode Troubleshooting tools 225 - HP LaserJet 3300 | Service Manual - Page 228
(for polling) Password (for transmission) Data packets or scan line count Selective polling Sub-address Protocol version used (Group 3 only) XID Exchange identification procedure ??? Unidentified command sequence 226 Chapter 6 - Troubleshooting Signal format ("X"= any #) X011 0001 1650 or 1850 - HP LaserJet 3300 | Service Manual - Page 229
Figure 102. Note Example of a T.30 trace of a successfully sent fax Phase A, call establishment, does not show up on a trace report. Phase C is the phase in which faxed pages are transferred. EN Troubleshooting tools 227 - HP LaserJet 3300 | Service Manual - Page 230
Figure 103. Example of a T.30 trace of a successfully received fax 228 Chapter 6 - Troubleshooting EN - HP LaserJet 3300 | Service Manual - Page 231
the menu tree, press cancel to return to the Ready display, then press cancel again. To print a list of all the data store parameters 1 From the secondary service menu, use the < and > keys to select Service reports, and press menu/enter. 2 Use the < and > keys to select Data Store, and press menu - HP LaserJet 3300 | Service Manual - Page 232
exit the developer's menu and remove it from the menu tree, press cancel to return to the Ready display, then press cancel again. 230 Chapter 6 - Troubleshooting EN - HP LaserJet 3300 | Service Manual - Page 233
. Before adjusting the fax data store parameters, you can print a list of all the parameters from the secondary service menu (page 229). Changing the country/region code does Poland 56 Denmark 40 Portugal 50 Finland 46 Russia 64 France 47 Singapore 30 Germany 39 Spain 55 Greece - HP LaserJet 3300 | Service Manual - Page 234
product illegal or inoperable. Before adjusting the fax data store parameters, you can print a list of all the parameters from the secondary service menu (page 229). 1 On the developer's menu, use the < and example, to move quickly to parameter 152, enter 151 >. 232 Chapter 6 - Troubleshooting EN - HP LaserJet 3300 | Service Manual - Page 235
commands You can use PJL software commands to set the following NVRAM variables: Factory printer DEFAULT PAPER, scanner factory default paper size will be set to the same value automatically. Factory printer DEFAULT LPARM:PCL SYMSET Factory DEFAULT OEM bit Factory DEFAULT PRINTPAGECOUNT Factory - HP LaserJet 3300 | Service Manual - Page 236
Variable or Command DEFAULT PAPER DEFAULT LPARM:PCL SYMSET DEFAULT OEM DEFAULT PRINTPAGECOUNT DEFAULT you need some method to send PJL commands to the product, either with a software tool or by copying a file that contains the commands from the host using a Chapter 6 - Troubleshooting EN - HP LaserJet 3300 | Service Manual - Page 237
. To create these files, you need a text editor that can insert the ESC character or is able to copy it from an existing file. If a software tool is used, simply send the same strings in the same order as given for the example files. EN - HP LaserJet 3300 | Service Manual - Page 238
defect ruler First occurrence of print defect Toner/developing cylinder (37.7 mm) Toner/primary charging roller (37.7 mm) Transfer roller (45.2 mm) Heating element (56.5 mm) Pressure roller (62.8 mm) Toner/drum (75.4 mm) Figure 105. Repetitive image defect ruler 236 Chapter 6 - Troubleshooting EN - HP LaserJet 3300 | Service Manual - Page 239
Main wiring Figure 106. Main wiring (1 of 2) EN Main wiring 237 - HP LaserJet 3300 | Service Manual - Page 240
Figure 107. Main wiring (2 of 2) 238 Chapter 6 - Troubleshooting EN - HP LaserJet 3300 | Service Manual - Page 241
Locations of connectors Figure 108. Locations of printer connectors EN Locations of connectors 239 - HP LaserJet 3300 | Service Manual - Page 242
Locations of connectors and switches Figure 109. Locations of connectors and switches Table 28. Switch functions SW number Function Remarks SW101 Power switch 220-240V only SW201 Switch for test print SW301 Switch for detection of open door 240 Chapter 6 - Troubleshooting EN - HP LaserJet 3300 | Service Manual - Page 243
documentation and software 242 Parts that wear 242 Accessories 243 Common hardware 244 How to use the parts lists and diagrams 245 Scanner assemblies 246 Scanner and ADF 246 ADF rollers and separation pad 248 Control panel assembly 249 Printer assemblies 252 Printer covers 252 Paper - HP LaserJet 3300 | Service Manual - Page 244
http://www.hp.com/go/support http://www.hp.com/go/ resellertraining http://outfield.external.hp.com/spi/ welcome.htm Parts that wear The parts that wear on the product are listed in Chapter 3, "Maintenance," in Table 12 on page 56. Parts are available directly from Hewlett-Packard at the - HP LaserJet 3300 | Service Manual - Page 245
) 8 MB 16 MB 32 MB 64 MB Print cartridge 2,500 page cartridge 3,500 page cartridge Cables and interface accessories 2-meter IEEE-1284 Power cord, UK Power cord, Danish Power cord, SA Power cord, Israel HP JetDirect print Model 310X server Power modules (NOTE: If two parts are listed for - HP LaserJet 3300 | Service Manual - Page 246
30. Accessories (continued) Power modules (continued) Toner cloth South Africa and India INPUT: 220-250 Taiwan INPUT: 110-127 Vac 60 Hz OUTPUT: 13 VDC @ 300 ma Ideal for wiping up toner spills Common hardware 9100-5171 0950-3171 0950-3169 5090-3379 The product has three common fasteners. See - HP LaserJet 3300 | Service Manual - Page 247
Note Part number RY7-5082-000CN is a screw kit for the printer portion of the product. To order all the screws for the HP-3300 product, order full quantities of parts RY7-5082-000CN, 0515-4331, 0515-4330, 0515-4257, and 0515-2908. How to use the parts lists and - HP LaserJet 3300 | Service Manual - Page 248
Scanner assemblies Scanner and ADF 1 6 10 9 5 11 3 12 3 10 Figure 110. 10 8 Scanner covers and ADF 246 Chapter 7 - Parts and diagrams 10 4 2 7 EN - HP LaserJet 3300 | Service Manual - Page 249
6 C7296-00014 ADF glass 7 C9143-60102 ADF input tray 8 C9124-60115 Scanner formatter (includes Scanner FFC: C9124-60116) 9 0515-4331 Screws that secure scanner to printer 10 0515-4330 Screws for scanner side panels, scanner formatter, and ADF glass frame 11 0515-4257 Screw for - HP LaserJet 3300 | Service Manual - Page 250
pad Part numbers Table 33. ADF rollers and separation pad Ref. Part number Description 1 C7309-60016 ADF pick roller assembly 2 C7309-40077 ADF document feed guide 3 C7309-60009 ADF separation pad 4 0624-1055 Torx screw 1 Qty. 1 1 1 2 248 Chapter 7 - Parts and diagrams EN - HP LaserJet 3300 | Service Manual - Page 251
control panel C9709-60102 US copy control panel C9124-60108 Copy control panel 4 C9124-60113 Speaker 6 0515-4330 Screws for control panel chassis Qty. 1 1 1 1 1 1 3 EN Scanner assemblies 249 - HP LaserJet 3300 | Service Manual - Page 252
Chinese 3300 copy bezel 1 Korean 3300 copy bezel 1 Simplified Chinese 3300 copy bezel 1 Thai 3300 copy bezel 1 Greek 3300 copy bezel 1 Turkish 3300 copy bezel 1 Portuguese 3300 copy bezel 1 French 3300 copy bezel 1 German 3300 copy bezel 1 Spanish 3300 copy bezel 1 Dutch 3300 copy - HP LaserJet 3300 | Service Manual - Page 253
bezel Dutch 3330 fax bezel Norwegian 3330 fax bezel Swedish 3330 fax bezel Danish 3330 fax bezel Italian 3330 fax bezel Russian 3330 fax bezel Hungarian 3330 fax bezel Polish 3330 fax bezel Finnish 3330 fax bezel Qty. 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 EN Scanner assemblies 251 - HP LaserJet 3300 | Service Manual - Page 254
Printer assemblies Printer covers 4 5 6 7 2 3 1 8 Figure 113. Printer covers Part numbers Table 35. Printer covers Ref. Part number Description 1 RA0-1450-000CN Cover, front 2 RG0-1116-000CN Cover, right side 252 Chapter 7 - Parts and diagrams Qty. 1 1 EN - HP LaserJet 3300 | Service Manual - Page 255
-000CN Top cover assembly RG0-1115-000CN Print cartridge door assembly 7121-8043 HP Jewel RA0-1470-000CN Left bottom frame support RY7-5082-000CN Printer screw kit (contains a full set of screws for the printer portion of the HP LaserJet 3300mfp series product) Qty. 1 1 1 1 1 1 1 Paper tray - HP LaserJet 3300 | Service Manual - Page 256
Internal assemblies Internal components (1 of 2) 21 20 18 17 19 Figure 115. Internal components (1 of 2) 254 Chapter 7 - Parts and diagrams EN - HP LaserJet 3300 | Service Manual - Page 257
1 RA0-1181-000CN Shutter guide 2 RA0-1182-000CN Shutter lever 3 RA0-1169-000CN Compression spring 4 RG9-1486-000CN Laser/scanner assembly 5 RG0-1074-000CN Cable, laser/scanner 6 RG0-1020-000CN Pickup gear assembly 7 RA0-1452-000CN Cover, right support 8 RF0-1008-000CN Pickup - HP LaserJet 3300 | Service Manual - Page 258
Internal components (2 of 2) 6 2 5 8 4 7 10 9 3 7 11 Figure 116. Internal components (2 of 2) 256 Chapter 7 - Parts and diagrams 1 EN - HP LaserJet 3300 | Service Manual - Page 259
2) Ref. Part number Description 1 RA0-1451-000CN Front guide assembly 2 RG0-1119-000CN Fan assembly 3 RA0-1173-000CN Connecting Link 8 RG0-1001-000CN Right plate assembly 9 RH7-5315-000CN Solenoid, DC24V 10 RH7-1473-000CN Motor 11 RA0-1197-000CN Foot, rubber (plate assemblies) Qty. 1 - HP LaserJet 3300 | Service Manual - Page 260
Electrical components Figure 117. Electrical components 258 Chapter 7 - Parts and diagrams EN - HP LaserJet 3300 | Service Manual - Page 261
Part numbers Table 39. Electrical components Ref. Part number Description 1 RA0-1127-000CN Engine controller case 2 RA0-1128-000CN PCB spacer 3 WT2-5694-000CN Clamp, cable 5 RG0-1117-000CN Engine controller PCB assembly, 110-127V RG0-1118-000CN Engine controller PCB assembly, 220-240V - HP LaserJet 3300 | Service Manual - Page 262
Paper pickup assembly (1 of 2) 19 28 10 Figure 118. Paper pickup assembly (1 of 2) 260 Chapter 7 - Parts and diagrams EN - HP LaserJet 3300 | Service Manual - Page 263
Part numbers Table 40. Paper pickup assembly (1 of 2) Ref. Part number Description RG0-1120-000CN Paper pickup assembly 10 RA0-1072-000CN Grounding plate 11 RA0-1035-000CN Torsion spring 19 RY7-5081-000CN Clutch kit 23 RG0-1007-000CN Paper pickup shaft assembly - HP LaserJet 3300 | Service Manual - Page 264
Paper pickup assembly (2 of 2) 8 Figure 119. Paper pickup assembly (2 of 2) 262 Chapter 7 - Parts and diagrams EN - HP LaserJet 3300 | Service Manual - Page 265
Part numbers Table 41. Paper pickup assembly (2 of 2) Ref. Part number Description 2 RA0-1003-000CN Foot, rubber (paper pickup assembly) 22 RG0-1124-000CN Paper lift plate assembly 24 RF0-1014-000CN Separation pad 8 RA0-1065-000CN Arm Qty. 2 1 1 2 EN Internal assemblies 263 - HP LaserJet 3300 | Service Manual - Page 266
Fuser assembly 18 26 Figure 120. Fuser assembly 264 Chapter 7 - Parts and diagrams EN - HP LaserJet 3300 | Service Manual - Page 267
Part numbers Table 42. Fuser assembly Ref. Part number Description RG9-1493-000CN Fuser assembly, 110V RG9-1494-000CN Fuser assembly, 220V 2 RF0-1003-000CN Faceup roller 4 RG0-1010-000CN Facedown delivery assembly 5 RA0-1088-000CN Gear, 29T 6 RA0-1089-000CN Gear, 17T (fuser assembly) 18 - HP LaserJet 3300 | Service Manual - Page 268
document feed guide ADF glass ADF glass frame ADF input tray ADF pick roller assembly ADF separation pad Arm Back cover assembly Bezel, Arabic 3300 copy Bezel, Arabic 3320 copy Bezel, Czech 3300 copy Bezel, Czech 3320 copy Bezel, Danish 3300 copy Bezel, Danish 3320 copy Bezel, Danish 3330 fax Bezel - HP LaserJet 3300 | Service Manual - Page 269
Korean 3320 copy Bezel, Norwegian 3300 copy Bezel, Norwegian 3320 copy Bezel, Norwegian 3330 fax Bezel, Polish 3300 copy Bezel, Polish 3320 copy Bezel, Polish 3330 fax Bezel, Portuguese 3300 copy Bezel, Portuguese 3320 copy Bezel, Portuguese 3330 fax Bezel, Russian 3300 copy Bezel, Russian 3320 copy - HP LaserJet 3300 | Service Manual - Page 270
parts list (continued) Description Bezel, Traditional Chinese 3320 copy Bezel, Turkish 3300 copy Bezel, Turkish 3320 copy Bezel, US 3310 copy Bushing Cable modem FFC Cable, laser/scanner Cable, laser/scanner flat flexible Clamp, cable Clutch kit Compression spring Connecting Link Control panel - HP LaserJet 3300 | Service Manual - Page 271
sensor PCB assembly PCB spacer Pickup gear assembly Pickup roller Print cartridge door assembly Printer pickup tray assembly Printer screw kit (contains a full set of screws for the printer portion of the HP LaserJet 3300mfp series product) Right plate assembly Part number C8542-60001 RA0-1451 - HP LaserJet 3300 | Service Manual - Page 272
flat flexible cable (FFC) Scanner formatter (includes Scanner FFC: C9124-60116) Screw: scanner formatter Screws: control panel chassis Screws: formatter Screws: scanner side panels, scanner formatter, and ADF glass frame Screws: scanner to printer Separation pad Shutter guide Shutter lever Solenoid - HP LaserJet 3300 | Service Manual - Page 273
-40028 C9124-40029 Screws that secure scanner to printer Formatter screws Screws for scanner side panels, scanner formatter, and ADF glass frame Screw for scanner formatter Screws for control panel chassis LIU screw Torx screw HP Jewel ADF glass ADF document feed guide ADF separation pad ADF pick - HP LaserJet 3300 | Service Manual - Page 274
-40017 Description Finnish 3300 copy bezel Danish 3300 copy bezel Italian 3300 copy bezel Russian 3300 copy bezel Czech 3300 copy bezel Hungarian 3300 copy bezel Polish 3300 copy bezel Arabic 3300 copy bezel English 3300 copy bezel Traditional Chinese 3300 copy bezel Scanner assembly Copy control - HP LaserJet 3300 | Service Manual - Page 275
3330 fax bezel Portuguese 3330 fax bezel French 3330 fax bezel German 3330 fax bezel Spanish 3330 fax bezel Dutch 3330 fax bezel Norwegian 3330 fax bezel Swedish 3330 fax bezel Danish 3330 fax bezel Italian 3330 fax bezel Russian 3330 fax bezel Hungarian 3330 14 5 3 2 11 8 10 Figure 112 112 112 112 - HP LaserJet 3300 | Service Manual - Page 276
lever Foot, rubber (plate assemblies) Torsion spring Tension spring Cover, left support Fuser plate, left Fuser plate, right Cover, front Front guide assembly Cover, right support Connecting Link Left bottom frame support Faceup roller Pickup roller Separation pad Right plate assembly Left plate - HP LaserJet 3300 | Service Manual - Page 277
with hinge Back cover assembly Print cartridge door assembly Cover, right side scanner flat flexible Motor Solenoid, DC24V Clutch kit Printer screw kit (contains a full set of screws for the printer portion of the HP LaserJet 3300mfp series product) Clamp, cable Ref. 3 4 6 2 5 5 2 1 2 22 10 4 13 10 - HP LaserJet 3300 | Service Manual - Page 278
276 Chapter 7 - Parts and diagrams EN - HP LaserJet 3300 | Service Manual - Page 279
document feeder, copier, scanner feeding problems, troubleshooting 199 EN B back cover, removing 130 background, gray 190 base memory 18 beam detect (BD) signal 92 bidirectional communications 76, 79 bidirectional ECP 78 billing log 209 bin 16 bin, output capacity 18 printing to 54 bits per pixel - HP LaserJet 3300 | Service Manual - Page 280
components alphanumeric buttons 33 copy, scan, and start controls 34 fax controls 31 menu, status, and cancel controls 34 control panel, printer light messages 178 locating 16 controller PCA. See ECU copier operations 80 copier/scanner feeding problems, troubleshooting 199 operations 76, 80 removing - HP LaserJet 3300 | Service Manual - Page 281
133 DOS, PJL commands 234 dots per inch, maximum 18 dots, troubleshooting printed pages 189, 193 scanned images 195 dpi, maximum 18 draft mode 78 DRAM, formatter 76 drive roller, observing 206 drivers, ordering 242 dropouts, troubleshooting 189, 192 drum inspecting 187 operations 91, 92, 93 rotation - HP LaserJet 3300 | Service Manual - Page 282
feed system, paper 94 feeding problems, troubleshooting copier/scanner 199 frequent 63 printer 197 field replaceable units (FRUs) procedures for replacing 109 film, transparency cleaning print path with 59 loading 50 firmware code 77 recovering or updating 207 firmware features 19 first page out 18 - HP LaserJet 3300 | Service Manual - Page 283
extending toner cartridge 78 high-capacity print cartridges 18 recycling used print cartridges 25 lift plate diagrams and part numbers 263, 269, 275 operations 94 light copies or scans, troubleshooting 195 lights, printer control panel error messages 178 lines, troubleshooting copies or scans 193 - HP LaserJet 3300 | Service Manual - Page 284
; jams model number 22 modem speed 21 motor operations 87 removing 150 rotation, observing 206 multifeeds See also feeding problems, troubleshooting; jams copier/scanner 199 printer input trays 65, 198 N Non-Volatile RAM. See NVRAM numbers, part alphabetical list 266 numerical list 271 numbers - HP LaserJet 3300 | Service Manual - Page 285
paper feed problems, troubleshooting copier/scanner 199 printer 197 paper feed system 94 paper guides cleaning 190 locating 17 troubleshooting 199 paper input trays. See main input tray; priority input tray paper jams 83 copier/scanner 199 detection operations 96 printer input trays 198 paper lift - HP LaserJet 3300 | Service Manual - Page 286
operations 94, 95 testing 206 PRINT period 98 print quality, troubleshooting 188 print servers, ordering 243 Printer Command Language (PCL) 79 printer covers diagrams and part numbers 252 printer drivers, ordering 242 Printer Job Language (PJL) 233 features 79 printer pickup roller cleaning 61 life - HP LaserJet 3300 | Service Manual - Page 287
17 See also guides signals, VIDEO 98 69T gear, removing 144 size margins, minimum 188, 194 printer 19, 30 scanned images 196 skew copies or scans, troubleshooting 199 printed pages, troubleshooting 192, 197 specifications 21 slots, DIMM 18 smears, toner 190 software installation, troubleshooting 177 - HP LaserJet 3300 | Service Manual - Page 288
, ordering 242 support, technical 242 SupportPack, HP 24 SW301, printing 177 scanning 177 software installation 177 troubleshooting steps 174 TrueType fonts, included 19 truss head screws 244 two-way communications 76, 79 U Universal Serial Bus. See USB unplugging printer 109 updating firmware - HP LaserJet 3300 | Service Manual - Page 289
overvoltage protection 89 W WAIT period 98 warranty extended 24 refilled cartridges, impact on 25 statement 23 waste toner receptacle 93 wave, troubleshooting 192, 197 websites 242 weight printer 19 toner cartridge 187 white stripes, troubleshooting 193, 194 width, product 19, 30 wiring diagrams 237 - HP LaserJet 3300 | Service Manual - Page 290
288 Index EN - HP LaserJet 3300 | Service Manual - Page 291
copyright © 2002 Hewlett-Packard Company www.hp.com/support/lj3300 *C9124-90948* *C9124-90948* C9124-90948
-
1 -
2 -
3 -
4 -
5 -
6 -
7 -
8
-
9
-
10
-
11
-
12
-
13
-
14
-
15
-
16
-
17
-
18
-
19
-
20
-
21
-
22
-
23
-
24
-
25
-
26
-
27
-
28
-
29
-
30
-
31
-
32
-
33
-
34
-
35
-
36
-
37
-
38
-
39
-
40
-
41
-
42
-
43
-
44
-
45
-
46
-
47
-
48
-
49
-
50
-
51
-
52
-
53
-
54
-
55
-
56
-
57
-
58
-
59
-
60
-
61
-
62
-
63
-
64
-
65
-
66
-
67
-
68
-
69
-
70
-
71
-
72
-
73
-
74
-
75
-
76
-
77
-
78
-
79
-
80
-
81
-
82
-
83
-
84
-
85
-
86
-
87
-
88
-
89
-
90
-
91
-
92
-
93
-
94
-
95
-
96
-
97
-
98
-
99
-
100
-
101
-
102
-
103
-
104
-
105
-
106
-
107
-
108
-
109
-
110
-
111
-
112
-
113
-
114
-
115
-
116
-
117
-
118
-
119
-
120
-
121
-
122
-
123
-
124
-
125
-
126
-
127
-
128
-
129
-
130
-
131
-
132
-
133
-
134
-
135
-
136
-
137
-
138
-
139
-
140
-
141
-
142
-
143
-
144
-
145
-
146
-
147
-
148
-
149
-
150
-
151
-
152
-
153
-
154
-
155
-
156
-
157
-
158
-
159
-
160
-
161
-
162
-
163
-
164
-
165
-
166
-
167
-
168
-
169
-
170
-
171
-
172
-
173
-
174
-
175
-
176
-
177
-
178
-
179
-
180
-
181
-
182
-
183
-
184
-
185
-
186
-
187
-
188
-
189
-
190
-
191
-
192
-
193
-
194
-
195
-
196
-
197
-
198
-
199
-
200
-
201
-
202
-
203
-
204
-
205
-
206
-
207
-
208
-
209
-
210
-
211
-
212
-
213
-
214
-
215
-
216
-
217
-
218
-
219
-
220
-
221
-
222
-
223
-
224
-
225
-
226
-
227
-
228
-
229
-
230
-
231
-
232
-
233
-
234
-
235
-
236
-
237
-
238
-
239
-
240
-
241
-
242
-
243
-
244
-
245
-
246
-
247
-
248
-
249
-
250
-
251
-
252
-
253
-
254
-
255
-
256
-
257
-
258
-
259
-
260
-
261
-
262
-
263
-
264
-
265
-
266
-
267
-
268
-
269
-
270
-
271
-
272
-
273
-
274
-
275
-
276
-
277
-
278
-
279
-
280
-
281
-
282
-
283
-
284
-
285
-
286
-
287
-
288
-
289
-
290
-
291
 |
 |
service
hp
LaserJet 3300mfp
series