HP M1522nf Service Manual
HP M1522nf - LaserJet MFP B/W Laser Manual
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HP M1522nf manual content summary:
- HP M1522nf | Service Manual - Page 1
HP LaserJet M1522 MFP Series Service Manual - HP M1522nf | Service Manual - Page 2
- HP M1522nf | Service Manual - Page 3
HP LaserJet M1522 MFP Series Service Manual - HP M1522nf | Service Manual - Page 4
Hewlett-Packard Development Company, L.P. Reproduction, adaptation, or translation without prior written permission is prohibited, except as allowed under the copyright laws. The information contained herein is subject to change without notice. The only warranties for HP products and services - HP M1522nf | Service Manual - Page 5
number location 7 Software description ...8 Supported operating systems 8 Supported printer drivers ...8 Software included with the product 8 Recommended installation for Windows 8 Express installation (USB or network 9 Macintosh software 9 Software for Windows ...9 HP ToolboxFX ...9 Embedded - HP M1522nf | Service Manual - Page 6
supplies 26 Store supplies ...26 Replace supplies ...27 Print cartridge ...27 HP policy on non-HP supplies 28 HP fraud hotline ...29 Clean the product ...30 Clean the exterior ...30 Clean the flatbed scanner glass 30 Clean the scanner-cover backing 31 Clean the ADF pickup-roller assembly 32 - HP M1522nf | Service Manual - Page 7
HP Web Jetadmin software 46 4 Operational theory Basic operation ...48 Sequence of operation for the base unit 48 Scanner and ADF functions and operation 50 Scanner functions ...50 Scanner filters 67 Fax page storage in flash memory 67 Stored fax pages 67 Advantages of flash memory storage 67 - HP M1522nf | Service Manual - Page 8
tray ...101 Transfer roller ...103 Side covers ...104 Print-cartridge door ...106 Rear cover and fuser cover 107 Front cover ...109 Speaker assembly ...111 Formatter and fax card ...113 Power supply ...114 Scanner support-frame ...118 Laser/scanner assembly 121 Main motor ...125 Fuser ...128 Paper - HP M1522nf | Service Manual - Page 9
180 High-voltage contacts check 180 Check the print-cartridge contacts 180 Check the high-voltage connector assembly 181 Service-mode functions ...182 NVRAM initialization ...182 Super NVRAM initialization 182 Secondary service menu 182 Problem-solve tools ...184 Product information pages and - HP M1522nf | Service Manual - Page 10
code report 188 HP ToolboxFX ...188 View HP ToolboxFX 188 Troubleshooting tab 188 Service menu ...189 Restore the factory-set defaults 189 Clean the paper path 190 T.30 protocol trace 191 Archive print ...191 Problem 235 Appendix A Service and support Hewlett-Packard limited warranty statement - HP M1522nf | Service Manual - Page 11
Print cartridge limited warranty statement 241 Customer support ...242 HP maintenance Toner consumption ...249 Paper use ...249 Plastics ...249 HP LaserJet print supplies 249 Return and recycling instructions 250 United States and Puerto Rico 250 Multiple returns (two to eight cartridges - HP M1522nf | Service Manual - Page 12
x ENWW - HP M1522nf | Service Manual - Page 13
CC372A 207 Table 7-2 Whole unit replacement, product bundle CB534A 209 Table 7-3 Control-panel bezels (HP LaserJet M1522n 211 Table 7-4 Control-panel bezels (HP LaserJet M1522nf 212 Table 7-5 Documentation ...214 Table 7-6 Scanner and ADF assemblies ...219 Table 7-7 ADF internal components - HP M1522nf | Service Manual - Page 14
xii ENWW - HP M1522nf | Service Manual - Page 15
(5 of 5) ...78 Figure 5-11 Remove the link assemblies and scanner support-frame springs (1 of 4 79 Figure 5-12 Remove the link assemblies and scanner support-frame springs (2 of 4 79 Figure 5-13 Remove the link assemblies and scanner support-frame springs (3 of 4 80 Figure 5-14 Remove the link - HP M1522nf | Service Manual - Page 16
assembly (6 of 10 92 Remove the scanner assembly (7 of 10 93 Remove the scanner assembly (8 of 10 93 Remove the scanner assembly (9 of 10 94 Remove the scanner assembly (10 of 10 94 Remove the print cartridge (1 of 2 95 Remove the print cartridge (2 of 2 95 Remove the product separation - HP M1522nf | Service Manual - Page 17
117 Figure 5-76 Remove the scanner support-frame (1 of 5 118 Figure 5-77 Remove the scanner support-frame (2 of 5 119 Figure 5-78 Remove the scanner support-frame (3 of 5 119 Figure 5-79 Remove the scanner support-frame (4 of 5 120 Figure 5-80 Remove the scanner support-frame (5 of 5 120 Figure - HP M1522nf | Service Manual - Page 18
Figure 7-7 Internal components (3 of 3) ...230 xvi ENWW - HP M1522nf | Service Manual - Page 19
1 Product information ● Quick access to product information ● Product comparison ● Product features ● Product walkaround ● Software description ● Software for Windows ● Software for Macintosh ● Uninstall software ● Media specifications ENWW 1 - HP M1522nf | Service Manual - Page 20
. ● www.hp.com/support/ljm1522 Table 1-1 Product guides Guide Description HP LaserJet M1522 MFP Getting Provides step-by-step instructions for installing and setting up the product. Started Guide HP LaserJet M1522 MFP Series Provides detailed information for using the product and problem-solving - HP M1522nf | Service Manual - Page 21
MFP HP LaserJet M1522nf MFP ● Prints letter-size pages at speeds up to 24 pages per HP LaserJet M1522n MFP, plus: minute (ppm) and A4-size pages at speeds up to 23 ppm. ● V.34 fax modem and 4-megabyte (MB) flash fax-storage ● PCL 5 and PCL 6 printer drivers and HP postscript level 3 memory - HP M1522nf | Service Manual - Page 22
settings to optimize print quality. ● The HP UltraPrecise print cartridge has a finer toner formulation that provides sharper text and graphics. ● Full-functionality fax capabilities with a V.34 fax; includes a phone book, fax/tel, and delayed-fax features. ● Includes ADF that allows faster - HP M1522nf | Service Manual - Page 23
Product walkaround Front view 1 2 3 4 5 7 6 1 Automatic document feeder (ADF) input tray 2 Automatic document feeder (ADF) output bin 3 Control panel 4 Print-cartridge door latch 5 Output bin 6 Priority input tray 7 Tray 1 Back view 87 9 11 10 8 Interface ports 9 Power switch 10 Power - HP M1522nf | Service Manual - Page 24
settings. 2 Alphanumeric buttons. Use the alphanumeric buttons to type data into the product control-panel display and dial telephone numbers for faxing. 3 Setup and cancel controls. Use these controls to select menu options, determine the product status, and cancel the current job. 4 Copy controls - HP M1522nf | Service Manual - Page 25
Serial number and model number location The serial number and product model number label is on the back of the product. ENWW Product walkaround 7 - HP M1522nf | Service Manual - Page 26
you to select custom settings and choose the components that are installed. Recommended installation for Windows ● HP drivers ◦ PCL 6 printer driver ◦ Scan driver ● HP MFP software ◦ HP ToolboxFX ◦ HP LaserJet Scan program ◦ HP Send Fax program and driver 8 Chapter 1 Product information ENWW - HP M1522nf | Service Manual - Page 27
3 emulation drivers can be installed using the Microsoft Add Printer wizard. Macintosh software ● HP Product Setup Assistant ● HP Device Configuration ● HP Uninstaller ● HP LaserJet software ◦ HP Scan ◦ HP Director ◦ Fax program ◦ Scan to e-mail program ◦ HP Photosmart Software for Windows When you - HP M1522nf | Service Manual - Page 28
ToolboxFX is not supported. HP Director HP Director is a software program for working with documents. When the document is loaded into the ADF and the computer is connected directly to the product, HP Director appears on the computer screen to initiate faxing, scanning, or changing settings on the - HP M1522nf | Service Manual - Page 29
, and then click Control Panel. NOTE: In Windows XP, click Start, and then click Control panel. 2. Double-click Add or Remove Programs. 3. Scroll through the list of software programs and click HP LaserJet M2727. 4. Click Remove. Macintosh To remove the software, drag the PPD files to the trash can - HP M1522nf | Service Manual - Page 30
it adapts to various media. NOTE: To obtain best print results, select the appropriate paper size and type in the print driver before printing. Table 1-2 Supported paper and print media sizes Size Dimensions Priority input tray Tray 1 Letter 216 x 279 mm (8.5 x 11 inches) Legal 216 x 356 - HP M1522nf | Service Manual - Page 31
148 x 200 mm (5.83 x 7.87 inches) Priority input tray Tray 1 Supported paper types and tray capacity This product has the following tray priority for feeding print the paper size and paper type settings in the printer driver before printing. Type is Plain Color Preprinted Prepunched Recycled - HP M1522nf | Service Manual - Page 32
g/m2 (20 lb) to 104 g/m2 (27 lb) Up to 10 sheets 1 The maximum stack height for tray 1 is 25 mm (0.9 inches). Tray 1 capacity1 Not supported. Not supported. Up to 250 sheets 14 Chapter 1 Product information ENWW - HP M1522nf | Service Manual - Page 33
2 Installation ● Site preparations ● What was in the box ● Install input devices ● Install supplies ENWW 15 - HP M1522nf | Service Manual - Page 34
; operating) 10 to 80% relative humidity (no condensation) ● Humidity (printer; storage) 10% to 90% relative humidity (no condensation) ● Temperature (toner cartridge; storage) -20o to 40o C (-4 to 104o F) ● Humidity (toner cartridge; storage) 10% to 90% relative humidity (no condensation) 16 - HP M1522nf | Service Manual - Page 35
Minimum system requirements ● Windows® 2000 ● Windows XP ● Windows Millennium Edition (Me) ● Windows Server 2000 ● Windows 98 ● Mac OS X v10.3 and later ● 128 MB RAM for Windows operating systems ● 32 MB RAM for Macintosh operating systems ● 250 MB hard-disk space (full installation) ● CD-ROM drive - HP M1522nf | Service Manual - Page 36
4 5 6 7 8 9 10 Description HP LaserJet M1522 MFP Automatic document feeder (ADF) input tray Print cartridge Control-panel faceplate (if not already installed) Priority input tray extension Start guide and support flyer CD-ROMs (software and online user guide) Power cord Fax cord Tray 1 18 Chapter - HP M1522nf | Service Manual - Page 37
Install input devices ADF input tray 1. Open the ADF cover. 2. Align the two tabs on the input tray with the grooves in the ADF. 3. Slide the tray into the grooves until the tray snaps into place. 4. Close the ADF cover. ENWW Install input devices 19 - HP M1522nf | Service Manual - Page 38
input tray is accessed from the front of the product. The product prints from the priority input tray before attempting to print from tray 1. Media guides ensure that the media is correctly fed into the product and that the print is not skewed (crooked on the media). When loading media, adjust - HP M1522nf | Service Manual - Page 39
Tray 1 1. Push tray 1 into the product 2. Open the tray cover, and then adjust the media guides out. 3. Load the paper in the tray, snug the media guides against the stack, and then close the try cover. ENWW Install input devices 21 - HP M1522nf | Service Manual - Page 40
Install supplies Install the print cartridge 1. Open the print-cartridge door. 2. Remove the new print cartridge from its packaging, and then rock the print cartridge back and forth. 3. Remove the orange cover from the print cartridge, and then pull the orange tab straight out to remove the sealing - HP M1522nf | Service Manual - Page 41
4. Insert the cartridge into the product until it is firmly in place. 5. Close the print-cartridge door. ENWW Install supplies 23 - HP M1522nf | Service Manual - Page 42
24 Chapter 2 Installation ENWW - HP M1522nf | Service Manual - Page 43
3 Maintenance ● Manage supplies ● Clean the product ● Management tools ENWW 25 - HP M1522nf | Service Manual - Page 44
panel, printing a supplies status page, or viewing HP ToolboxFX. Hewlett-Packard recommends that you place an order for a replacement print cartridge when Low message for a print cartridge first appears. Use a new, authentic HP print cartridge to obtain the following types of supplies information - HP M1522nf | Service Manual - Page 45
door. 2. Grasp the handle on the print cartridge, and then pull the cartridge straight out to remove it. See the recycling information inside the print cartridge box. 3. Remove the new print cartridge from its packaging, and then rock the print cartridge back and forth. ENWW Manage supplies 27 - HP M1522nf | Service Manual - Page 46
until it is firmly in place. 6. Close the print-cartridge door. CAUTION: If toner gets on any clothing, wipe it off with a dry cloth and wash the clothing in cold water. Hot water sets toner into the fabric. HP policy on non-HP supplies Hewlett-Packard Company cannot recommend the use of non - HP M1522nf | Service Manual - Page 47
the product is genuine and take steps to resolve the problem. The print cartridge might not be a genuine HP one if you notice the following issues: ● You are experiencing a large number of problems with the print cartridge. ● The print cartridge does not look like it usually does (for example, the - HP M1522nf | Service Manual - Page 48
Clean the exterior Use a soft, damp, lint-free cloth to wipe dust, smudges, and stains off of the exterior of the product. Clean the flatbed scanner glass Dirty glass, from fingerprints, smudges, hair, and so on, slows down performance and affects the accuracy of special features such as fit-to-page - HP M1522nf | Service Manual - Page 49
-cover backing by using a soft cloth or sponge that has been moistened with mild soap and warm water. Also, clean the ADF scanner glass (callout 1) next to the flatbed scanner glass. 3. Wash the backing gently to loosen debris; do not scrub the backing. 4. Dry the backing by using a chamois or soft - HP M1522nf | Service Manual - Page 50
Clean the ADF pickup-roller assembly 1. Perform the removal steps from ADF pickup roller assembly on page 85. 2. Wipe the assembly with a soft cloth. 3. Return the assembly to the same place in the ADF. The largest roller goes in back, and the gear side is away from you. 4. Lower the green lever - HP M1522nf | Service Manual - Page 51
5. To check for correct installation, lift the green lever until it remains open. The pickup-roller assembly should be secured to the lever and should not fall out. 6. Make sure that both sides of the assembly are secured with the green hooks. 7. Lower the green lever and the roller assembly and - HP M1522nf | Service Manual - Page 52
Discard the page when the process is completed. Calibrate the scanner During the printing process, paper, toner, and dust particles can accumulate inside the product. Over time, this buildup can cause print-quality problems such as toner specks or smearing. This product has a cleaning mode that can - HP M1522nf | Service Manual - Page 53
page, and then select Calibrate now. 4. Click Apply to start the calibration process. Calibrate the scanner from the product control panel 1. At the control panel, press Setup . 2. Open the Secondary Service menu by pressing and holding both the down arrow button and the Cancel button. 3. Press - HP M1522nf | Service Manual - Page 54
product memory. These pages help diagnose and solve problems with the product. NOTE: If the product language was not correctly set during installation, you can set the language manually so the information pages print in one of the supported languages. Change the language by using the System setup - HP M1522nf | Service Manual - Page 55
full software installation to use HP ToolboxFX. View HP ToolboxFX Open HP ToolboxFX in one of these ways: ● In the Windows system tray or on your desktop, double-click the HP ToolboxFX icon. ● On the Windows Start menu, click Programs (or All Programs in Windows XP), click HP, click HP LaserJet - HP M1522nf | Service Manual - Page 56
events are logged for your reference. The log contains codes that correspond to the error messages that appear on the product control-panel display. alerts include jams, low levels of toner in HP print cartridges, non-HP print cartridge in use, empty input trays, and specific error messages. Select - HP M1522nf | Service Manual - Page 57
one computer can be designated to receive faxes. ● Forward the fax to another fax machine. For more information about fax tasks, see the user guide. NOTE: You must click Apply before the changes take effect. Fax phone book Use the HP ToolboxFX fax window. Type the fax number in the Fax number window - HP M1522nf | Service Manual - Page 58
Book. Select the Import option, and then click Next. Select the appropriate software program, navigate to the appropriate file, and then click Finish. To export digits, the following are valid characters for fax numbers R ●W space> NOTE: You must click Apply before the changes take effect. - HP M1522nf | Service Manual - Page 59
, or delete blocked fax numbers on this tab. Help The HP ToolboxFX Documentation tab contains links to the following main pages: ● Troubleshooting ● Animated demonstrations ● User Guide. View information about the product usage, warranty, specifications, and support. The user guide is available in - HP M1522nf | Service Manual - Page 60
glossy paper. ● System Setup. Change the product system settings, such as product language and jam recovery. ● Service. Gain access to various be set from the control panel, HP ToolboxFX, or the embedded Web server (EWS). Device information The HP ToolboxFX Device information page stores data about - HP M1522nf | Service Manual - Page 61
, even if there is toner supply remaining in the cartridge. NOTE: You must click Apply before the changes take effect. Paper types Use the HP ToolboxFX Paper types options to configure print modes that correspond to the various media types. Select Restore Modes to reset all modes to the factory - HP M1522nf | Service Manual - Page 62
must click Apply before the changes take effect. Service During the printing process, paper, toner and dust particles can accumulate inside the product. Over time, this buildup can cause print-quality problems such as toner specks or smearing. HP ToolboxFX provides an easy method for cleaning the - HP M1522nf | Service Manual - Page 63
HP postscript level 3 emulation print personality. When the Print PostScript error option is turned on, the PostScript error page automatically prints when HP postscript level 3 emulation errors HP LaserJet product) or in firmware, rather than as software supplies and order new ones ● View and change - HP M1522nf | Service Manual - Page 64
network settings in the EWS might disable some of product software or features. Use HP Web Jetadmin software HP Web Jetadmin is a Web-based software solution for remotely installing, monitoring, and troubleshooting network-connected peripherals. The intuitive browser interface simplifies cross - HP M1522nf | Service Manual - Page 65
4 Operational theory ● Basic operation ● Scanner and ADF functions and operation ● Internal components (base unit) ● Engine control system ● Laser/scanner system ● Pickup/feed/delivery system ● Image-formation system ● Fax functions and operation (fax models only) ENWW 47 - HP M1522nf | Service Manual - Page 66
The following systems are discussed: ● Engine control system ● Laser/scanner system ● Pickup/feed/delivery system ● Image-formation system Figure the end of the main-motor initial Detects the presence of a print cartridge; clears drive potential from the drum surface and cleans the transfer roller - HP M1522nf | Service Manual - Page 67
on the photosensitive drum and transfers the toner image to the media LSTR (last cartridge Clean the transfer roller after the primary charging AC bias is turned on 9 Failure/abnormality check: detect laser/scanner failure, fuser failure, and open covers 10 Communication with the memory - HP M1522nf | Service Manual - Page 68
and sent to the formatter. The formatter then handles the image data, outputting it as a copy, sending it through the fax card as a fax, or directing it to the computer as scanner output. The resolution of the image data collected depends on the task being performed. Each pixel has 8 bits for each - HP M1522nf | Service Manual - Page 69
software or the 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 sheet. This alerts the scanner to start when the page reaches the glass. The scanner acquires the image, one raster line at a - HP M1522nf | Service Manual - Page 70
OUTPUT AREA The paper-present sensor determines if paper is in the ADF. The form sensor detects the top and bottom edges of the document. One other sensor detects an open ADF door. 52 Chapter 4 Operational theory ENWW - HP M1522nf | Service Manual - Page 71
home position on the right side of the scanner assembly. The message Doc feeder jam. Clear, Reload. appears on the control-panel display. ● 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 - HP M1522nf | Service Manual - Page 72
Internal components (base unit) Figure 4-4 Cross-section of printer 1 2 34 5 12 11 10 98 1 Fuser unit 2 Pressure roller 3 Fuser sleeve 4 Delivery roller 5 Laser/scanner unit 6 Single-sheet-feed slot 7 Multi-purpose tray 8 Photosensitive drum 9 Pickup roller 10 Separation pad 11 Feed roller - HP M1522nf | Service Manual - Page 73
The engine control system coordinates all of the product functions, according to commands sent from the formatter. It drives the laser/scanner system, the image-formation system, and the pickup/feed/ delivery system. The engine control system contains the following components: ● Formatter ● High - HP M1522nf | Service Manual - Page 74
Pressure roller Print cartridge Fuser control circuit Low-voltage power supply circuit Fan motor drive circuit IC502 Reset IC High-voltage power supply circuit Memory tag circuit IC201 CPU Memory tag Formatter Main motor Solenoids Sensors Option Laser/scanner motor Laser driver BD sensor 56 - HP M1522nf | Service Manual - Page 75
Laser/scanner system The laser/scanner system receives video signals from the formatter, and converts the signals into latent images on the photosensitive drum. Figure 4-7 Laser/scanner system ENWW Laser/scanner system 57 - HP M1522nf | Service Manual - Page 76
. Three media-detection sensors detect media as it passes through the printer. If media does not reach or pass each sensor within a PS915, fuser-delivery sensor and duplex sensor NOTE: This sensor has two sensor flags; one flag detects the media when it is delivered from the fuser, and the other flag - HP M1522nf | Service Manual - Page 77
Image-formation system Laser printing requires the interaction of several technologies, including electronics, optics, and electrophotographics, to produce a printed page. Each process functions independently and must be coordinated with the other product processes. Image formation consists of the - HP M1522nf | Service Manual - Page 78
formed on the drum where negative charges were neutralized. Step 3: Developing The developing cylinder comes in contact with the photosensitive drum to deposit toner onto the electrostatic latent image. NOTE: The charges on the exposed area of the drum are shown as positive in Figure 4-11 Developing - HP M1522nf | Service Manual - Page 79
by weakening any electrostatic adhesion. Figure 4-13 Separation Step 6: Fusing The DC negative bias applied to the fusing film strengthens the holding force of the toner on the print media and prevents the toner from scattering. Figure 4-14 Fusing ENWW Image-formation system 61 - HP M1522nf | Service Manual - Page 80
Step 7: Drum cleaning The cleaning blade scrapes the residual toner off of the photosensitive drum and deposits it into the waste-toner case. Figure 4-15 Drum cleaning 62 Chapter 4 Operational theory ENWW - HP M1522nf | Service Manual - Page 81
ports. ● The internal firmware cannot be modified through the fax connection. ● All fax communications go through the fax subsystem, which does not use wires appear on pins 3 and 4 of the RJ-11 modular jack (the one on the fax card). These two wires do not have to be polarized because all the - HP M1522nf | Service Manual - Page 82
extension phone setting must be set to On in the Fax setup menu. Distinctive ring function Distinctive ring is a service that a telephone company provides. The distinctive ring service allows three phone numbers to be assigned to one phone line. Each phone number has a distinctive ring. The first - HP M1522nf | Service Manual - Page 83
for telephony on the product. The fax subsystem is designed to support V.34 fax transmission, lower speeds (such as V.17 fax), and older fax machines. Fax card in the fax subsystem Two versions of the fax card are used in the HP LaserJet M1522 MFP. One is used in the North American, South - HP M1522nf | Service Manual - Page 84
the signal to ensure that the product does not go off-hook (and disconnect a downstream call) until it has been authorized to do so (by a manual fax start or the detection of the appropriate tones). Hook switch control In the silicon DAA, the CODEC controls the hook switch directly. The CODEC is - HP M1522nf | Service Manual - Page 85
as well as the firmware to determine if faxes in case the print cartridge runs out of toner or the product experiences other errors while printing faxes. The product also has scan-ahead functionality that makes use of flash memory. Scan-ahead automatically scans pages into flash memory before a fax - HP M1522nf | Service Manual - Page 86
the original document immediately after it is scanned, eliminating the need to wait until the fax is transmission is complete. Because fax pages are stored in flash memory rather than RAM, more RAM is available to handle larger and more complicated copy and print jobs. 68 Chapter 4 Operational - HP M1522nf | Service Manual - Page 87
5 Removal and replacement ● Removal and replacement strategy ● Scanner and ADF components ● Product base ENWW 69 - HP M1522nf | Service Manual - Page 88
HP does not support the repairing of individual subassemblies or troubleshooting guides. problem solving. However, the power supply should be disconnected during parts removal. Never operate or service the product with the protective cover removed from the laser/scanner exactly as the one shown in the - HP M1522nf | Service Manual - Page 89
#8 and #10 torx screwdrivers ● Needle-nose pliers ● ESD mat (if one is available) ● Penlight (optional) CAUTION: Always use a Phillips screwdriver ( wires. Figure 5-1 Phillips and pozidrive screwdriver comparison Before performing service ● If possible, print a configuration page (to record customer - HP M1522nf | Service Manual - Page 90
mat, if one is available. If an ESD-protected workstation is not available, discharge body static and ground the print engine chassis before touching an ESDsensitive part. ● Remove the print cartridge. See Print cartridge on page 27. After performing service ● Replace the print cartridge and input - HP M1522nf | Service Manual - Page 91
test from the secondary service menu. On fax models only, verify that the control-panel buttons beep when they are pressed. NOTE: On fax models only, if and then verify the results. 8. Place the configuration page on the scanner glass. 9. Print a copy job, and then verify the results. 10. Clean - HP M1522nf | Service Manual - Page 92
Media input tray Printer side covers Rear cover and fuser cover Power supply Scanner assembly Print-cartridge door Front cover Scanner support-frame Engine controller unit Laser/scanner assembly Main motor Fuser assembly Pickup assembly Front cover Speaker assembly Formatter and fax card 74 Chapter - HP M1522nf | Service Manual - Page 93
Scanner and ADF components NOTE: Your product might not appear exactly as the one shown in the photos in this chapter. For example, the color of the external panels and covers input tray up and pull it away from the ADF. Figure 5-4 Remove the ADF input tray 2 1 ENWW Scanner and ADF components 75 - HP M1522nf | Service Manual - Page 94
pry the ADF motor cover off (from right to left) and away from the scanner assembly. Figure 5-5 Remove the flatbed lid (1 of 5) 3 1 2 Reinstallation correctly, the ADF lid will not close correctly, resulting in intermittent ADF errors. Verify that the motor cover snaps over the corner of the sheet - HP M1522nf | Service Manual - Page 95
2. Disconnect two wire connectors (callout 1). Close the ADF cover. Figure 5-7 Remove the flatbed lid (2 of 5) 1 3. Locate the hinge-retainer clip at one end of the flatbed. Figure 5-8 Remove the flatbed lid (3 of 5) ENWW Scanner and ADF components 77 - HP M1522nf | Service Manual - Page 96
bed, and then remove the flatbed lid from the scanner assembly. CAUTION: Avoid touching the flatbed glass or the ADF separation pad. Skin oils and fingerprints can contaminate the glass or pad and cause print-quality problems. Figure 5-10 Remove the flatbed lid (5 of 5) 78 Chapter 5 Removal and - HP M1522nf | Service Manual - Page 97
assemblies and scanner support-frame springs 1. Push the print-cartridge access button and raise the scanner assembly until it is locked open. 2. Use a small flat-blade screwdriver to release the link tabs on each link assembly. WARNING! When the link assemblies are disengaged, the scanner assembly - HP M1522nf | Service Manual - Page 98
5-13 Remove the link assemblies and scanner support-frame springs (3 of 4) 5. Use needle-nose pliers to remove the scanner support-frame spring. Repeat this step for the other scanner support-frame spring. Figure 5-14 Remove the link assemblies and scanner support-frame springs (4 of 4) 80 Chapter - HP M1522nf | Service Manual - Page 99
it. Continue to pry up the bezel (callout 2), working toward the center of the bezel (callout 3). Figure 5-15 Remove the control-panel bezel 1 2 3 3 21 ENWW Scanner and ADF components 81 - HP M1522nf | Service Manual - Page 100
the assembly to the left to release it. Figure 5-16 Remove the control-panel assembly (1 of 2) 3. Slightly lift up the control panel and disconnect one FFC (callout 2). Remove the control-panel assembly. CAUTION: Do not bend or fold the FFCs during the removal or reinstallation process. Figure 5-17 - HP M1522nf | Service Manual - Page 101
pad. Skin oils and fingerprints can contaminate the glass or pad and cause print-quality or paper-pickup problems. 1. Open the ADF cover and lift up the ADF pickup-roller assembly. 2. Use a #8 torx separation pad. Figure 5-18 Remove the ADF separation pad 1 ENWW Scanner and ADF components 83 - HP M1522nf | Service Manual - Page 102
ADF input-tray flag 1. Open the ADF cover. 2. Gently flex the plastic rib until the front flag hinge clears the mounting hole. Rotate the ADF input- flag until the hinge pin clears the plastic rib. Pull the flag towards you to release the back hinge. Figure 5-19 Remove the ADF input-tray flag TIP: - HP M1522nf | Service Manual - Page 103
ADF pickup roller assembly 1. Open the ADF cover. Figure 5-20 Replacing the ADF pickup roller assembly (1 of 6) 2. Lift the load spring off of the post on the ADF pickup roller assembly. Figure 5-21 Replacing the ADF pickup roller assembly (2 of 6) 1 2 ENWW Scanner and ADF components 85 - HP M1522nf | Service Manual - Page 104
3. Rotate the ADF pickup roller assembly. Figure 5-22 Replacing the ADF pickup roller assembly (3 of 6) 4. Lift the ADF pickup roller assembly, slide the assembly toward the front of the product to disengage the gear-end of the assembly, and then lift the assembly off of the product. Figure 5-23 - HP M1522nf | Service Manual - Page 105
the ADF pickup roller assembly (5 of 6) 2 1 6. Reattach the load spring and then close the ADF cover. Figure 5-25 Replacing the ADF pickup roller (6 of 6) 1 ENWW Scanner and ADF components 87 - HP M1522nf | Service Manual - Page 106
and cause print-quality or paper-pickup problems. 1. Use a #10 torx screwdriver to remove one torx screw. Figure 5-26 Remove the ADF scanner glass (1 of 3) 2. Carefully remove the plastic ADF scanner-glass frame. Figure 5-27 Remove the ADF scanner glass (2 of 3) 88 Chapter 5 Removal and replacement - HP M1522nf | Service Manual - Page 107
the flatbed glass or the ADF separation pad. Skin oils and fingerprints can contaminate the glass or pad and cause print-quality or paper-pickup problems. Figure 5-28 Remove the ADF scanner glass (3 of 3) 1 2 ENWW Scanner and ADF components 89 - HP M1522nf | Service Manual - Page 108
problems. NOTE: It is not necessary to remove the flatbed lid before removing the scanner assembly. However, removing the flatbed lid will make the scanner page 75. 2. Remove one screw (callout 1). Figure 5-29 Remove the scanner assembly (1 of 10) 1 3. Release one tab on the back side of the cover - HP M1522nf | Service Manual - Page 109
bottom tab (callout 2). Figure 5-31 Remove the scanner assembly (3 of 10) 2 5. Rotate the back side of the cover away from the product, and then slide the cover toward the front of the product to remove it. Figure 5-32 Remove the scanner assembly (4 of 10) 1 2 ENWW Scanner and ADF components 91 - HP M1522nf | Service Manual - Page 110
6. Push the print-cartridge door button to release the scanner assembly, and then raise the assembly until it locks open. Figure 5-33 Remove the scanner assembly (5 of 10) 7. Disconnect two wire-harnesses and two FFCs (callout 3; J2, J33, J4, and J27) on the formatter, and then remove the harnesses - HP M1522nf | Service Manual - Page 111
carefully flex it away from the scanner assembly to release the bracket. Figure 5-35 Remove the scanner assembly (7 of 10) 9. Pull the bracket toward the right side of the product until its mounting tabs clear the holes in the scanner assembly. Figure 5-36 Remove the scanner assembly (8 of 10) ENWW - HP M1522nf | Service Manual - Page 112
that the ADF cover and flatbed lid are supported so that they do not swing open when you remove the scanner assembly. NOTE: Do not lose the two scanner cushions in the scanner support-frame corners (one shown; callout 5). Figure 5-38 Remove the scanner assembly (10 of 10) 5 94 Chapter 5 Removal and - HP M1522nf | Service Manual - Page 113
validity of the procedures in this chapter. Print cartridge CAUTION: To prevent damage, do not expose the print cartridge to direct or bright light. Cover it with a piece of paper. 1. Push the print-cartridge-door release button and raise the scanner assembly until it locks open. Figure 5-39 Remove - HP M1522nf | Service Manual - Page 114
Separation pad (product base) 1. Position the product with the rear side facing you. 2. Support the product and tip it forward. Remove two screws (callout 1). Figure 5-41 Remove the product separation pad (1 of 2) 1 3. Remove the product separation pad and frame. - HP M1522nf | Service Manual - Page 115
Pickup roller (product base) 1. Remove the print cartridge and locate the product pickup roller. See Print cartridge on page 95. Figure 5-43 Remove the product pickup roller (1 of 5) 2. Gently release the small, white tabs on each side of the pickup roller by - HP M1522nf | Service Manual - Page 116
3. Gently pull the roller up and out of the product. Figure 5-45 Remove the product pickup roller (3 of 5) 4. Circular and rectangular pegs on each side of the pickup roller fit into corresponding slots on the pickup-roller mounting frame and prevent the roller from being incorrectly installed. - HP M1522nf | Service Manual - Page 117
5. Rotate the top of the pickup roller into position until the white tabs on each side of the roller snap into place. Figure 5-47 Remove the product pickup roller (5 of 5) ENWW Product base 99 - HP M1522nf | Service Manual - Page 118
cushions 1. Open the print-cartridge door. 2. Place a scanner cushion in each well on the scanner support-frame (callout 1). Use the eraser-end of a pencil or use an ink pen with the cap on to seat each cushion in its well. Figure 5-48 Installing the scanner cushions 1 100 Chapter 5 Removal and - HP M1522nf | Service Manual - Page 119
Media input tray 1. Open the media input tray lid. Figure 5-49 Remove the media input tray (1 of 3) 2. Slide the adjustable media guides to the center of the tray. Figure 5-50 Remove the media input tray (2 of 3) ENWW Product base 101 - HP M1522nf | Service Manual - Page 120
3. Depress the pickup-tray locking tabs to release the media input tray, and then pull it out and away from the product. Figure 5-51 Remove the media input tray (3 of 3) 102 Chapter 5 Removal and replacement ENWW - HP M1522nf | Service Manual - Page 121
the black-sponge portion of the transfer roller. Skin oils deposited on the transfer roller might cause print-quality problems. 1. Open the print-cartridge door and remove the print cartridge. 2. Release the two small tabs on the transfer roller and then slide the roller to the right to release - HP M1522nf | Service Manual - Page 122
: The procedure for removing the right-side and left-side covers is identical. The right-side cover is shown in the following procedure. 1. Remove one screw (callout 1). Callout 2 is the left-side cover screw. Figure 5-53 Remove the side covers (1 of 4) 2 1 2. Release the locking tab on the back of - HP M1522nf | Service Manual - Page 123
3. Release the bottom tab (callout 3). Figure 5-55 Remove the side covers (3 of 4) 3 4. Slightly rotate the back side of the right cover away from the product, and then slide it toward the front of the product to release it. Figure 5-56 Remove the side covers (4 of 4) 2 1 ENWW Product base 105 - HP M1522nf | Service Manual - Page 124
door 1. Remove the scanner assembly. See Scanner assembly on page 90. 2. Fully open the print-cartridge door and gently pull downward on both print-cartridge swing arms to release them. (In Figure 5-57 Remove the print-cartridge door (1 of 2) on page 106, the left arm is disengaged). CAUTION - HP M1522nf | Service Manual - Page 125
Rear cover and fuser cover 1. Remove the right-side and left-side covers. See Side covers on page 104. 2. Remove one screw (callout 1). Figure 5-59 Remove the rear cover and fuser cover (1 of 3) 1 3. Release the two rear-cover locking tabs (callout 2). Rotate the bottom of the - HP M1522nf | Service Manual - Page 126
4. Rotate the bottom of the fuser cover away from the product, and remove the fuser cover. Figure 5-61 Remove the rear cover and fuser cover (3 of 3) 108 Chapter 5 Removal and replacement ENWW - HP M1522nf | Service Manual - Page 127
Front cover 1. Remove the right-side and left-side covers. See Side covers on page 104. 2. Release the lower left-side front-cover locking tab and slightly pry the lower-left corner of the front cover away from the product. Figure 5-62 Remove the front cover (1 of 4) 3. Release the lower right-side - HP M1522nf | Service Manual - Page 128
4. Pry up and pull out on the front cover to release it from the product. Figure 5-64 Remove the front cover (3 of 4) 5. Remove the front cover. Figure 5-65 Remove the front cover (4 of 4) 110 Chapter 5 Removal and replacement ENWW - HP M1522nf | Service Manual - Page 129
Speaker assembly 1. Remove the left cover. See Side covers on page 104. 2. Disconnect one wire-harness connector (callout 1; J32) and remove the wire-harness from one wire retainer (callout 2). 3. Remove one screw (callout 3) and the sheet-metal bracket (callout 4). Figure 5-66 Remove the speaker - HP M1522nf | Service Manual - Page 130
5. Make sure that the replacement speaker is correctly position when it is installed. NOTE: The front cover is shown off for clarity. You do not need to remove the front cover to remove the speaker. ● Make sure that the speaker electrical wires (callout 5) are positioned at the bottom of the chassis - HP M1522nf | Service Manual - Page 131
the formatter. You do not need to remove the scanner assembly to remove the formatter and fax card. 3. Remove five screws from the formatter PCA (callout 1). Remove three screws (callout 2) from the fax card. Remove the formatter and fax card. Figure 5-68 Remove the formatter 1 2 ENWW Product base - HP M1522nf | Service Manual - Page 132
cover. See Front cover on page 109. ● Speaker assembly. See Speaker assembly on page 111. ● Formatter and fax card. See Formatter and fax card on page 113. 2. Disconnect one spade connector (callout 1) and remove three screws (callout 2). Figure 5-69 Remove the power supply (1 of 7) 1 2 114 Chapter - HP M1522nf | Service Manual - Page 133
3. Remove six screws (callout 3) and the sheet-metal plate (callout 4). Figure 5-70 Remove the power supply (2 of 7) 4 3 2 4. Disconnect three FFCs (callout 5) and six wire-harness connectors (callout 6). CAUTION: Do not bend or fold the FFCs during the removal or reinstallation process. Figure 5-71 - HP M1522nf | Service Manual - Page 134
5. Release the ground wire from the retainer (callout 7) on the product chassis. NOTE: You might need to slightly pry up on the scanner support frame to release the wire from the retainer. Figure 5-72 Remove the power supply (4 of 7) 7 6. Release the wire-harness from the retainer (callout 8) on the - HP M1522nf | Service Manual - Page 135
7. Unclip two clips (callout 9) and remove one plastic bracket (callout 10). CAUTION: The wire-harness (callout 11) attached to the bracket is not captive. Do not lose this wire-harness when the - HP M1522nf | Service Manual - Page 136
Scanner support-frame 1. Remove the following assemblies: ● Scanner assembly. See Scanner assembly on page 90. ● Right and left cover. See Side covers on page 104. ● Print-cartridge door. See Print-cartridge door on page 106. ● Rear cover and fuser cover. See Rear cover and fuser cover on page 107. - HP M1522nf | Service Manual - Page 137
on the gear-drive arm aligns with the opening in the bracket, and remove the bracket. Figure 5-77 Remove the scanner support-frame (2 of 5) 4. Remove one screw (callout 3) and the ferrite and bracket (callout 4). Figure 5-78 Remove the scanner support-frame (3 of 5) 3 4 ENWW Product base 119 - HP M1522nf | Service Manual - Page 138
of the product. Figure 5-79 Remove the scanner support-frame (4 of 5) 6. If you are removing the scanner support-frame to gain access to the fuser, remove two screws (callout 5) and the chassis reinforcement bracket (callout 6). Figure 5-80 Remove the scanner support-frame (5 of 5) 6 5 120 Chapter - HP M1522nf | Service Manual - Page 139
door. See Print-cartridge door on page 106. ● Rear cover and fuser cover. See Rear cover and fuser cover on page 107. ● Front cover. See Front cover on page 109. ● Scanner support-frame. See Scanner support-frame on page 118. 2. Remove three screws (callout 1) and one sheet-metal bracket (callout - HP M1522nf | Service Manual - Page 140
3. Release one tab and one spring (callout 3) and then remove right-side scanner-assembly locking lever. Figure 5-82 Remove the laser/scanner (2 of 7) 3 4. the shaft is reinstalled, make sure that the locking levers and the cartridge-door button (mounted to the shaft near the right-side locking - HP M1522nf | Service Manual - Page 141
the product to remove it. NOTE: When this cover is reinstalled, make sure that the slots (callout 4; one shown) in the lower portion of the cover fit over the edge of the laser/scanner mounting shelf so that the cover is secure and correctly fits inside the product. Figure 5-84 Remove the - HP M1522nf | Service Manual - Page 142
from previously removed components. Figure 5-86 Remove the laser/scanner assembly (6 of 7) 6 8. Carefully slide the laser/scanner assembly away from the main-motor PCA bracket and then disconnect one wire-harness connector (callout 7). Remove the laser/scanner assembly. Figure 5-87 Remove the laser - HP M1522nf | Service Manual - Page 143
fax card on page 113. ● Right and left cover. See Side covers on page 104. ● Print-cartridge door. See Print-cartridge door on page 106. ● Rear cover and fuser cover. See Rear cover and fuser cover on page 107. ● Front cover. See Front cover on page 109. ● Scanner support-frame. See Scanner support - HP M1522nf | Service Manual - Page 144
3. Carefully release two tabs (callout 3) and separate the main motor PCA from the mounting bracket. Figure 5-89 Remove the main motor (2 of 4) 3 4. Remove the main motor wire-harness from the retainers (callout 4) on the mounting bracket. Remove the bracket (callout 5). Figure 5-90 Remove the main - HP M1522nf | Service Manual - Page 145
5. Remove two screws (callout 6). Carefully slip the main-motor drive belt off of the motor shaft (callout 7), and then remove the main motor. Figure 5-91 Remove the main motor (4 of 4) 6 7 TIP: When the main motor is reinstalled, make sure that the wire-harness is located toward the top of the - HP M1522nf | Service Manual - Page 146
Print-cartridge door on page 106. ● Rear cover and fuser cover. See Rear cover and fuser cover on page 107. ● Front cover. See Front cover on page 109. ● Formatter and fax card. See Formatter and fax card on page 113. ● Scanner support-frame and chassis reinforcement plate. See Scanner support-frame - HP M1522nf | Service Manual - Page 147
3. Disconnect two wire-harness connectors (callout 3; J102, and J552) and remove the harnesses from the retainer (callout 4). NOTE: You might need to disconnect and remove other wire-harness to remove the required harness from the retainer. Figure 5-93 Remove the fuser (2 of 6) 4 3 4. Release the - HP M1522nf | Service Manual - Page 148
5. Release one tab (callout 7) and then remove the wire-harness retainer (callout 8). Figure 5-95 Remove the fuser (4 of 6) 8 7 6. Remove three screws (callout 9). Figure 5-96 Remove the fuser assembly (5 of 6) 9 130 Chapter 5 Removal and replacement ENWW - HP M1522nf | Service Manual - Page 149
the fuser assembly (6 of 6) NOTE: When replacing the fuser assembly, be sure to transfer the delivery-sensor PCA from the old fuser to the new one. ENWW Product base 131 - HP M1522nf | Service Manual - Page 150
door. See Print-cartridge door on page 106. ● Rear cover and fuser cover. See Rear cover and fuser cover on page 107. ● Front cover. See Front cover on page 109. ● Formatter and fax card. See Formatter and fax card on page 113. ● Fuser. See Fuser on page 128. 2. Release one tab (callout 1). Rotate - HP M1522nf | Service Manual - Page 151
3. Disconnect two wire-harnesses (callout 2; J551 and J556). Figure 5-99 Remove the paper-pickup assembly (2 of 4) 2 4. Remove six screws (callout 3). Figure 5-100 Remove the paper-pickup assembly (3 of 4) 3 ENWW Product base 133 - HP M1522nf | Service Manual - Page 152
5. Separate the assembly from the chassis and remove it. Figure 5-101 Remove the paper-pickup assembly (4 of 4) 134 Chapter 5 Removal and replacement ENWW - HP M1522nf | Service Manual - Page 153
Drive-gear assembly and drive belt 1. Release one tab (callout 1). Rotate the paper-pickup drive shaft locking clip until the clip retainers align with the holes in the chassis, and then remove the - HP M1522nf | Service Manual - Page 154
not loose any of the springs or gears when the assembly is removed. Figure 5-104 Remove the Drive-gear assembly and drive belt (3 of 4). 4. Remove one gear (callout 4) and carefully slip the drive belt (callout 5) off of the drive gear. TIP: When you reinstall the main-motor drive belt, make sure - HP M1522nf | Service Manual - Page 155
6 Problem solve ● Problem-solving checklist ● Control-panel messages ● Clear jams ● Print problems ● Scan problems ● Copy problems ● Fax problems (fax models only) ● Functional checks ● Service-mode functions ● Problem-solve tools ● Problem-solve diagrams ● Firmware updates ENWW 137 - HP M1522nf | Service Manual - Page 156
list of common messages that will help you correct the error. Make sure that media that meets HP specifications. Clean the paper path. See Clean the scanner glass on page 30. 2. If, after performing the maintenance, the problem persists, see Copy problems on page 166. Does the product send a fax - HP M1522nf | Service Manual - Page 157
Make sure that the HP LaserJet M1522 MFP or telephone devices are not connected in the is the only device on the telephone line and correct order. try again to receive the fax. The product fax settings are set incorrectly. Review and reset the product fax settings. See the user guide. Does the - HP M1522nf | Service Manual - Page 158
action 10.0000 Supply Memory Error A specific print cartridge has an e-label error. Reinstall the print cartridge. Turn off and then turn on the product. If the problem is not solved, replace the cartridge. 10.1000 Supply Memory Error A specific print cartridge has a missing elabel. Reinstall - HP M1522nf | Service Manual - Page 159
jack for another phone line. Try a different phone cord. If the error persists, contact HP. See www.hp.com/support/ljm1522 or the support flyer that came in the product box. Comm. error [Receiver CSID] A fax communication error occurred between the product and the receiver. Allow the product to - HP M1522nf | Service Manual - Page 160
persists, contact HP. See www.hp.com/support/ljm1522 or the support flyer that came in the product box. Fax is busy Redial pending (fax models only) The fax line to which you were sending a fax was busy. The product automatically redials the busy number. See the product user guide. Allow the - HP M1522nf | Service Manual - Page 161
sent. Ask the sender to send the fax again. Cancel all fax jobs or clear the faxes from memory. Fax recv. error (fax models only) An error occurred while trying to receive a fax. Ask the sender to resend the fax. Try faxing back to the sender or another fax machine. Check for a dial tone on the - HP M1522nf | Service Manual - Page 162
making one copy. The remaining copies have been canceled because of low memory. Press OK to clear the error. Break the job into smaller jobs that contain fewer pages. Memory is low. Press OK The product memory has been almost completely filled. Allow the product to finish the job, or press Setup - HP M1522nf | Service Manual - Page 163
a voice call. Plug the product phone cord into a jack for another phone line. If the error persists, contact HP. See www.hp.com/support/ljm1522 or the support flyer that came in the product box. No document sent (fax models only) The product did not scan any pages, or it did Try sending the - HP M1522nf | Service Manual - Page 164
believe you purchased an HP supply, please call the HP fraud hotline at 1-877-219-3183. Service or repairs that are required as a result of using non-HP supplies is not covered under HP warranty. Order black Cartridge Print cartridge is low. Order a new print cartridge. Page too complex, press - HP M1522nf | Service Manual - Page 165
service. Critical error message-tables Table 6-2 Critical error messages Control panel message Description 49 Error, Turn off then on The product has experienced an internal embedded software error. 50.x Fuser Error The product has experienced an internal hardware error. 52 Scanner Error - HP M1522nf | Service Manual - Page 166
(continued) Control panel message Description Recommended action If the error persists, contact HP. See www.hp.com/support/ljm1522 or the support flyer that came in the product box. Scanner error #, Turn off then on The product has experienced an error in the Turn off the power by using the - HP M1522nf | Service Manual - Page 167
are loaded improperly or overfilled, or the media guides are not set properly. ● Media is added removed from the product during a print job. ● The cartridge door is opened during a print job. ● Too print media that is being used does not meet HP specifications. See Information pages on page 36. ● - HP M1522nf | Service Manual - Page 168
the product Find and remove the jam by using the instructions on the following pages. If the location of the jam is not obvious, first look inside the product. Loose toner might remain in the product after a jam. This problem typically resolves itself after a few sheets have been printed. 150 - HP M1522nf | Service Manual - Page 169
from the ADF Occasionally, media becomes jammed during a fax, copy, or scan job. You are notified of full. See Install input devices on page 19 for more information. ● The media does not meet HP specifications, such as those for size or type. See Information pages on page 36 for more information. - HP M1522nf | Service Manual - Page 170
the media by using both hands. 6. When the media is free, gently pull it out in the direction shown. 7. Close the lid to the flatbed scanner. 152 Chapter 6 Problem solve ENWW - HP M1522nf | Service Manual - Page 171
8. Lower the green lever. 9. Reinstall the cleanout part by inserting it as shown. Push down on the two tabs until the part snaps into place. Install the cleanout part correctly, because future jamming might occur if the cleanout part is not replaced correctly. NOTE: In some products, the jam - HP M1522nf | Service Manual - Page 172
where the jam is located, some of the following steps might not be necessary. 1. Open the print-cartridge door. 2. With both hands, grasp the side of the media that is most visible (this includes includes the middle), and carefully pull it free from the product. 154 Chapter 6 Problem solve ENWW - HP M1522nf | Service Manual - Page 173
5. If no media is visible, open the print-cartridge door, remove the print cartridge, and rotate the upper media guide. Carefully pull the media up and out of the product, and then reinstall the print cartridge. 6. Close tray 1 and the print-cartridge door. Clear jams from the output bin CAUTION: Do - HP M1522nf | Service Manual - Page 174
print cartridge, minimize its exposure to direct light. 2. With both hands, grasp the side of the media that is most visible (this includes the middle), and carefully pull it free from the product. 3. Replace the print cartridge and close the print-cartridge door. 156 Chapter 6 Problem solve ENWW - HP M1522nf | Service Manual - Page 175
depending on the printer driver that you are software program, open the properties through the Print Setup menu in the program that you are using to print. Change print-quality settings for all future jobs NOTE: For Macintosh instructions, see the user guide. For Windows 2000: 1. In the Windows - HP M1522nf | Service Manual - Page 176
from the HP ToolboxFX. If the page prints, the problem is with the printer driver. Try printing from another printer driver. For example, if you are using the PCL 6 printer driver, print from the PS printer driver. ◦ Use the Add Printer Wizard in the Printers (or Printers and Faxes in Windows XP - HP M1522nf | Service Manual - Page 177
Problem Print is light or faded. Toner specks appear. Cause Solution The media might not meet HP specifications. Use media that meets HP specifications. Make sure that the media meets specifications in the HP LaserJet Printer Family Print Media Guide. The print cartridge might be low. If you - HP M1522nf | Service Manual - Page 178
the HP LaserJet Printer Family Print Media Guide. If toner smears appear on the leading edge of the paper, the media guides are dirty, or debris has accumulated in the print path. Clean the media guides and the paper path. See Clean the paper path on page 34. The print cartridge might be low. If - HP M1522nf | Service Manual - Page 179
Print cartridge on page 27. The media might not meet HP specifications. Use a different paper, such as highquality paper that is intended for laser printers. If characters are incorrectly formed so that they produce a wavy effect, the laser scanner might need replacing. Verify that the problem - HP M1522nf | Service Manual - Page 180
guides are not too tight or too loose against the stack. The media might not meet HP specifications. Use a different paper, such as highquality paper that is intended for laser printers the field in which the repeated image appears. In your software program, rotate the whole page 180° to print the - HP M1522nf | Service Manual - Page 181
(or levels of gray). Typically, you make this adjustment by opening Display in Windows Control Panel. ● Try adjusting the resolution and color settings in the scanner software. The original might have been loaded incorrectly. Use the media guides when you load the originals into the ADF. The - HP M1522nf | Service Manual - Page 182
flatbed scanner supports is 25 x 25 mm (1 x 1 inch). The minimum size that the ADF supports is 127 settings for your job. The software is set to scan in color scanner is not busy. However, because the product and scanner share memory, the scan might be slower. 164 Chapter 6 Problem solve ENWW - HP M1522nf | Service Manual - Page 183
. If the media is loaded incorrectly, it might skew, which causes unclear images. ● Adjust the software settings according to how you plan to use the scanned page. ● If your product frequently feeds more than one page at a time, you might need to replace the separation pad. ● Use or make a carrier - HP M1522nf | Service Manual - Page 184
. If the media meets HP specifications, recurring feed problems indicate the pickup roller or separation pad is worn. Image problems Problem Cause Solution Images are missing or faded. The print-cartridge toner-level might be Replace the print cartridge. See Print low. cartridge on page 27 - HP M1522nf | Service Manual - Page 185
is unclear. The printer driver or product software settings might be incorrect. Verify that the quality settings are correct. See the product software Help for more information about changing the settings. Media-handling problems Problem Poor print quality or toner adhesion Dropouts, jamming - HP M1522nf | Service Manual - Page 186
Problem Cause Solution Problems with feeding The paper has ragged edges. The paper varies from side-to-side. Use high-quality paper that is made for laser printers media guides to the width and length of the media that you are using and try printing again. More than one sheet feeds at one time - HP M1522nf | Service Manual - Page 187
. Use media that meets HP specifications. The print-cartridge toner-level might be Replace the print cartridge. See Print low. cartridge on page 27. The ADF might be loaded. Make sure that the ADF is empty. The product software settings might be See the HP ToolboxFX Help for more set - HP M1522nf | Service Manual - Page 188
as the HP LaserJet product. ◦ Distinctive ring service: a telephone system feature that can assign two telephone numbers to one physical line, 2 splitter must be used if both a fax line and a voice line share the same jack. NOTE: Hewlett-Packard does not recommend using a parallel splitter (T- - HP M1522nf | Service Manual - Page 189
line extension). Set the product rings-to-answer setting for at least one ring more than the number of rings that prompts the answering machine to fax reception. Problems receiving faxes Use the table in this section to solve problems that might occur when receiving faxes. NOTE: You must use the fax - HP M1522nf | Service Manual - Page 190
Problem Cause Solution The product is not answering incoming The answer mode might be set to fax calls. Manual. If the answer mode is set to Manual, the product does not answer calls. You have to start the fax-receiving process manually. The rings-to-answer setting might not be Check the - HP M1522nf | Service Manual - Page 191
product ran out of toner while printing a fax. The product stores the most recently printed faxes. (The amount of memory that is available determines the actual number of faxes stored for reprinting.) As soon as possible, replace the print cartridge, and then reprint the fax. The fax that was sent - HP M1522nf | Service Manual - Page 192
Problems sending faxes Problem Cause Solution The document stops feeding in the middle of faxing. The maximum length of a page that you can load is 381 mm (15 inches). Faxing of a longer page stops at 381 mm (15 inches). Print the document on shorter media. If no jam exists and less than one - HP M1522nf | Service Manual - Page 193
each page. flatbed scanner with the glass-fax size set incorrectly. Verify that the setting is correct. You receive a Low Memory error. You might be sending a fax that is too large, or the resolution might be too high. Try one of the following: ● Divide a large fax into smaller sections, and - HP M1522nf | Service Manual - Page 194
about removing jams, see Clear jams on page 149. Problem Print is skewed (crooked). Pages are curled or wrinkled. Cause Solution The media input tray might be overloaded. Remove some of the media from the input tray. The media guides might be incorrectly set, broken, or missing. Verify that - HP M1522nf | Service Manual - Page 195
Performance problems Problem Cause Solution Faxes are transmitting or being received very slowly. The fax might be very complex, such as one with many graphics. Complex faxes take longer to be sent or received. Breaking longer faxes into multiple jobs can increase the transmission speed. The - HP M1522nf | Service Manual - Page 196
close the print-cartridge door five times. CAUTION: hold down the print-cartridge door button to prevent drum, located in the print cartridge, must rotate in order for cartridges have been used. 1. Open the print-cartridge door. 2. Remove the print cartridge. 3. Mark the drive gear on the cartridge - HP M1522nf | Service Manual - Page 197
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 on the drum surface, assume that the first two functions of the electrophotographic process are functioning (image formation and development). Problem solve the - HP M1522nf | Service Manual - Page 198
roller to fuse toner to the media , and then measure the resistance between J206 pins one and two and between J206 pins three and four cartridge. NOTE: Use only isopropyl alcohol to clean the connections. Figure 6-1 Print-cartridge high-voltage connection points (right side) 1 180 Chapter 6 Problem - HP M1522nf | Service Manual - Page 199
high-voltage connection points (left side) 2 3 Check the high-voltage connector assembly Visually inspect the cartridge connection points inside the product to make sure that they are not dirty or corroded. If the pins are dirty, clean them by using isopropyl - HP M1522nf | Service Manual - Page 200
fax header and company name ● Fax numbers and names that are associated with one-touch keys and speed-dial codes Additionally, all faxes stored in memory reset after service menu Use this menu to perform various tests and print out special reports. Open the secondary service menu 1. Press the Setup - HP M1522nf | Service Manual - Page 201
report to see firmware errors. Use the Calibrate sub-menu to calibrate the various product scan methods. Use the Corrected sub-menu to identify hardware issues that affect the scanner. Use the Tables Show FW Version sub-menu to display the firmware version number. ENWW Service-mode functions 183 - HP M1522nf | Service Manual - Page 202
reports help diagnose and solve problems with the product. NOTE: If the product language was not correctly set during installation, you can set the language manually so the information pages print in one of the supported languages. Change the language by using the System setup menu on the control - HP M1522nf | Service Manual - Page 203
: 1. On the product control panel, press Setup . 2. Use the arrow buttons to select 1. On the product control panel, press Setup . 2. Use the arrow buttons to 1. On the product control panel, press Setup . 2. Use the arrow buttons to On the product control panel, press Setup . 2. Use the arrow buttons - HP M1522nf | Service Manual - Page 204
you diagnose and solve problems with the product. Fax activity log The fax activity log provides a chronological history of the last 40 faxes that were received, sent, or deleted, and any errors that occurred. Print the fax activity log 1. On the product control panel, press Setup . 2. Use the arrow - HP M1522nf | Service Manual - Page 205
Print a phone book report 1. On the product control panel, press Setup . 2. Use the arrow buttons to select Reports, and then press OK. 3. Use the arrow buttons to select PhoneBook report, and then press OK. The product exits the menu settings and prints the report. ENWW Problem-solve tools 187 - HP M1522nf | Service Manual - Page 206
can use for problem-solving tasks. View HP ToolboxFX Open HP ToolboxFX in one of these ways: ● On the Windows desktop, double-click the HP ToolboxFX icon. ● On the Windows Start menu, click Programs (All Programs in Windows XP), and then click HP ToolboxFX. Troubleshooting tab HP ToolboxFX includes - HP M1522nf | Service Manual - Page 207
and names that are associated with one-touch keys and speed-dial codes, and deletes any pages that are stored in the memory. The procedure then automatically restarts the product. 1. On the product control panel, press Setup . 2. Use the arrow buttons to select Service, and then press OK. 3. Use the - HP M1522nf | Service Manual - Page 208
: If you have access to HP ToolboxFX, HP recommends cleaning the paper path by using HP ToolboxFX. 1. On the product control panel, press Setup . 2. Use the arrow buttons to select Service, and then press OK. 3. . Discard the page when the process is completed. 190 Chapter 6 Problem solve ENWW - HP M1522nf | Service Manual - Page 209
trace report to problem-solve fax transmission issues. Print a T.30 protocol trace report Send a fax from the product or receive a fax to the product from another fax machine, and then print a T.30 trace report after the fax prints. 1. On the product control panel, press Setup . 2. Use the arrow - HP M1522nf | Service Manual - Page 210
Problem-solve diagrams ● Repetitive image defects ● Interface ports ● ECU connectors ● Formatter PCA ● Fax card ● Solenoid and motor ● Rollers ● Sensors ● Major components ● PCAs (base unit) ● Scanner the print cartridge. 29.1 mm (1.14 inches) Developing cylinder Replace the print cartridge. 39.3 - HP M1522nf | Service Manual - Page 211
Interface ports All models have a 10/100 Base-T (RJ-45) network port and a Hi-Speed USB 2.0 port. Fax models have fax ports as well. 1 2 3 1 Hi-Speed USB 2.0 port 2 Network port 3 Fax ports (fax models only) ENWW Problem-solve diagrams 193 - HP M1522nf | Service Manual - Page 212
shown) J102 Power switch J501 Interlock J531 Formatter PCA (communication, +5v, +3.3v, GND) J532 Formatter PCA (communication, +24v, GND) J542 Laser/scanner J551 Top-of-media sensor (PS751) J552 Media sensor PCA (fuser delivery sensor PS701 and media width sensor PS702) J562 Pickup - HP M1522nf | Service Manual - Page 213
. Not all products will have this PCA installed. J2 Flatbed motor J4 Scanner J15 Network port J26 Fax card PCA J27 Control panel J30 +24V (from engine) J31 ECU PCA J32 Speaker J33 ADF motor J33A High-speed USB 2.0 port P107 SPI module P109 FW code download jumper ENWW Problem-solve diagrams 195 - HP M1522nf | Service Manual - Page 214
Fax card Figure 6-5 Fax card connectors J2 J9 Table 6-6 Fax card Item Description J2 Formatter J9 Fax ports 196 Chapter 6 Problem solve ENWW - HP M1522nf | Service Manual - Page 215
Solenoid and motor Figure 6-6 Solenoid and motor 1 2 Table 6-7 Solenoid and motor Item Description 1 Pickup solenoid 2 Main motor ENWW Problem-solve diagrams 197 - HP M1522nf | Service Manual - Page 216
Rollers Figure 6-7 Rollers 1 2 Table 6-8 Rollers Item Description 1 Transfer roller (fastened to the rear door) 2 Pickup roller 198 Chapter 6 Problem solve ENWW - HP M1522nf | Service Manual - Page 217
Sensors Figure 6-8 Sensors PS702 PS701 PS751 Table 6-9 Sensors Item Description PS701 Fuser delivery sensor PS702 Media width sensor PS751 Top-of-page sensor ENWW Problem-solve diagrams 199 - HP M1522nf | Service Manual - Page 218
Major components Figure 6-9 Major components 1 2 4 31 Table 6-10 Major components Item Description 1 Fuser assembly 2 Laser/scanner assembly 3 Paper pickup assembly 4 Separation pad assembly 200 Chapter 6 Problem solve ENWW - HP M1522nf | Service Manual - Page 219
PCAs (base unit) Figure 6-10 PCAs (base unit) 1 2 Table 6-11 PCAs (base unit) Item Description 1 Formatter PCA 2 Engine controller PCA (ECU) ENWW Problem-solve diagrams 201 - HP M1522nf | Service Manual - Page 220
Scanner and ADF Figure 6-11 Scanner and ADF 2 1 Table 6-12 Scanner and ADF Item Description 1 Scanner 2 ADF 202 Chapter 6 Problem solve ENWW - HP M1522nf | Service Manual - Page 221
motor M1 M 12 J902 12 Main motor rotational count sensor PS901 123 Motor Drive PCA J801 BD sensor Laser Drive PCA 1234 M2 M 1234 J1 Scanner motor Laser/ Scanner unit ENWW Problem-solve diagrams 203 - HP M1522nf | Service Manual - Page 222
version of the product. On the product, you can update the firmware code by downloading the latest executable file for the product and running the program according to the readme instructions that come with it (go to www.hp.com/support/ljm1522). Turn the product off and then on before running the - HP M1522nf | Service Manual - Page 223
hinge tool ● Cable and interface accessories ● Whole unit replacement ● Control-panel bezels ● Supplementry documentation and support ● Parts lists and diagrams ● ADF and scanner assemblies ● ADF internal components ● Assemblies ● External covers and panels ● Internal components (1 of 3) ● Internal - HP M1522nf | Service Manual - Page 224
/parts.com ● To order supplies and paper, go to www.hp.com/buy/suresupply.com. Supplies and hinge tool Product name Replacement print cartridge Scanner hinge tool Description Part number Average yield for the print cartridge is CB436A (new) approximately 2,000 pages. Actual yield depends on - HP M1522nf | Service Manual - Page 225
Whole unit replacement Use the tables in this section to find the whole unit replacement part number for a specific product bundle and localized configuration. Table 7-1 Whole unit replacement, product bundle CC372A Country/region Localized configuration Replacement part number Asia Pacific - HP M1522nf | Service Manual - Page 226
Table 7-1 Whole unit replacement, product bundle CC372A (continued) Country/region Localized configuration Europe, Middle East, and Africa ABD - Germany-German ABF - France-French ABH - Netherlands-Dutch ABZ - Italy-Italian ABE - Spain - Spanish localization BFY - Spain-Catalan localization - HP M1522nf | Service Manual - Page 227
Table 7-2 Whole unit replacement, product bundle CB534A Country/region Localized configuration Replacement part number Asia Pacific AB0 - Taiwan-Traditional Chinese CB534-67901 AB1 - Korea-Korean localization CB534-67902 AB2 - China-Simplified Chinese - HP M1522nf | Service Manual - Page 228
Table 7-2 Whole unit replacement, product bundle CB534A (continued) Country/region Localized configuration Europe, Middle East, and Africa ABD - Germany-German ABF - France-French ABH - Netherlands-Dutch ABZ - Italy-Italian ABE - Spain - Spanish - HP M1522nf | Service Manual - Page 229
Control-panel bezels Table 7-3 Control-panel bezels (HP LaserJet M1522n) Item Language Language Control-panel bezel; copy English (EN) Control-panel bezel; copy Spanish (ES) Control-panel bezel; copy Portuguese (PT) Control-panel bezel; - HP M1522nf | Service Manual - Page 230
-40040 Table 7-4 Control-panel bezels (HP LaserJet M1522nf) Item Language Control-panel bezel; fax English (EN) Control-panel bezel; fax Spanish (ES) Control-panel bezel; fax Portuguese (PT) Control-panel bezel; fax German (DE) Control-panel bezel; fax German (unpainted) (DE) Control - HP M1522nf | Service Manual - Page 231
7-4 Control-panel bezels (HP LaserJet M1522nf) (continued) Item Language Control-panel bezel; fax Simplified Chinese (ZHCN) Control-panel bezel; fax Thai (TH) Control-panel bezel; fax Vietnamese (VI) Control-panel bezel; fax Catalan (CA) Control-panel bezel; fax Romanian (RO) Control - HP M1522nf | Service Manual - Page 232
Supplementry documentation and support Table 7-5 Documentation Description Languages Part number Service manual (this manual) English only CB534-90945 Getting started guides English, Spanish, Portuguese, French CB534-90938 English, Spanish, Portuguese, Catalan, Dutch, French, German, - HP M1522nf | Service Manual - Page 233
Table 7-5 Documentation (continued) Description Languages User guides (print on demand), continued Danish Dutch Estonian Finnish French German Greek Hebrew Hungarian Indonesian CB534-90937 CB534-90938 CB534-90940 CB534-90941 CB534-90942 ENWW Supplementry documentation and support 215 - HP M1522nf | Service Manual - Page 234
that is listed in the description column to ensure that the part number selected is for the correct product model. NOTE: In this manual, the abbreviation "PCA" stands for "printed circuit board assembly." Components described as a PCA might consist of a single circuit board or a circuit board plus - HP M1522nf | Service Manual - Page 235
Types of screws Illustration Description Screw, RS Screw, D Size M3X6 M3X8 M3X10 M3X6 Screw w/washer Screw tapping M3X6 M3X8 M4X10 12 mm Part number XB2-8300-609CN XA9-1504-000CN XA9-1501-000CN XA9-1670-000CN Use Used to secure plastic to metal Used to secure plastic to metal XB2-7300- - HP M1522nf | Service Manual - Page 236
ADF and scanner assemblies Figure 7-1 Scanner and ADF assemblies 1 3 8 2 7 4 5 6 218 Chapter 7 Parts ENWW - HP M1522nf | Service Manual - Page 237
ADF cover replacement kit CB534-67907 1 Not shown Control panel jewel, HP 7121-8285 1 NOTE: The Asian character control panel display PCA (see Assemblies on page 222) must be installed on the formatter to support the Asian fax control panel (CB534-60102). ENWW ADF and scanner assemblies 219 - HP M1522nf | Service Manual - Page 238
ADF internal components Figure 7-2 ADF internal components 1 2 3 220 Chapter 7 Parts ENWW - HP M1522nf | Service Manual - Page 239
Table 7-7 ADF internal components Ref Description 1 ADF pickup roller assembly 2 ADF cleanout part 3 ADF separation pad Part number Qty 5851-2559 1 5851-2559 1 Q2665-60125 1 ENWW ADF internal components 221 - HP M1522nf | Service Manual - Page 240
Assemblies Figure 7-3 Assemblies 1 2 3 11 10 9 8 1 2 4 5 6 7 222 Chapter 7 Parts ENWW - HP M1522nf | Service Manual - Page 241
Scanner spring, compression 3 Scanner link assembly, left 4 Scanner link assembly, right 5 Control panel bezel, Western fax 5 Control panel bezel, Asian fax ) 10 Fax card US/WW 10 Fax card EMEA 11 Formatter, copy (HP LaserJet M1522n) 11 Formatter, fax (HP LaserJet M1522nf) Part - HP M1522nf | Service Manual - Page 242
External covers and panels Figure 7-4 External covers and panels 1 2 4 7 3 6 224 Chapter 7 Parts 5 ENWW - HP M1522nf | Service Manual - Page 243
Table 7-9 External covers and panels Ref Description 1 Cover, rear 2 Cover, cartridge 3 Cushion, scanner 4 Cover, right 5 Cover, front 6 Cover, left 7 Cover, top Part number Qty RC2-2971-000CN 1 RC2-2960-000CN 1 RC1-2476-000CN 2 RL1-1736-000CN 1 RL1-1734- - HP M1522nf | Service Manual - Page 244
Internal components (1 of 3) Figure 7-5 Internal components (1 of 3) 1 3 2 226 Chapter 7 Parts ENWW - HP M1522nf | Service Manual - Page 245
Table 7-10 Internal components (1 of 3) Ref Description 1 Fuser assembly, 110v-220v 1 Fuser assembly, 220v-240v 2 Engine controller PCA (ECU), 110v-220v 2 Engine controller PCA (ECU), 220v-240v 3 Link, coupling Part number Qty RM1-4721-000CN 1 RM1-4726-000CN 1 RM1-4932-000CN 1 - HP M1522nf | Service Manual - Page 246
Internal components (2 of 3) Figure 7-6 Internal components (2 of 3) 3 2 6 1 5 4 228 Chapter 7 Parts ENWW - HP M1522nf | Service Manual - Page 247
Table 7-11 Internal components (2 of 3) Ref Description 1 Paper pickup assembly 2 Roller, transfer 3 Roller, pickup 4 Separation pad assembly 5 Latch, left 6 Latch, right Part number Qty RM1-4727-000CN 1 RM1-4234-000CN 1 RL1-1497-000CN 1 RM1-4207-000CN 1 RC1-2498-000CN 1 - HP M1522nf | Service Manual - Page 248
Internal components (3 of 3) Figure 7-7 Internal components (3 of 3) 2 1 4 5 3 230 Chapter 7 Parts ENWW - HP M1522nf | Service Manual - Page 249
Table 7-12 Internal components (3 of 3) Ref Description 1 Laser/scanner assembly 2 Motor controller PCA 3 Tray guide, left 4 Tray guide, right 5 Motor, 24V DC Part number Qty RM1-4724-005CN 1 RM1-4935-000CN 1 RC2-2979-000CN 1 RC2-2980-000CN 1 RM1-4196-000CN 1 ENWW Internal - HP M1522nf | Service Manual - Page 250
Window replacement kit Control panel assembly, LJm1522 copy (Western) Control panel assembly, LJm1522 fax (Asian) Control panel assembly, LJm1522 fax (Western) Control panel bezel, Asian fax Control panel bezel, Western fax Control panel jewel, HP Cover, cartridge 7121-8285 Scanner and ADF - HP M1522nf | Service Manual - Page 251
PCA (ECU), 110v-220v Engine controller PCA (ECU), 220v-240v Fax card EMEA Fax card US/WW Formatter, copy (HP LaserJet M1522n) Formatter, fax (HP LaserJet M1522nf) Fuser assembly, 110v-220v Fuser assembly, 220v-240v Laser/scanner assembly Latch, left Latch, right Link, coupling Motor controller PCA - HP M1522nf | Service Manual - Page 252
Table 7-13 Alphabetical parts list (continued) Description Separation pad assembly Speaker SSA PKG FGI ASSY LJm1522 (scanner flatbed assembly) Tray guide, left Tray guide, right Part number RM1-4207-000CN Q3948-60113 CB534-67903 RC2-2979-000CN RC2-2980-000CN Table and page Internal components (2 - HP M1522nf | Service Manual - Page 253
ASSY LJm1522 (scanner flatbed assembly) CB534-67906 ADF Window replacement kit CB534-67907 ADF cover replacement kit CC368-60001 CC396-60001 CC396-60001 CC502-60001 Q1636-40036 Q2665-60125 Formatter, fax (HP LaserJet M1522nf) Fax card EMEA Formatter, copy (HP LaserJet M1522n) Fax card US/WW - HP M1522nf | Service Manual - Page 254
RC2-2960-000CN Cover, cartridge RC2-2971-000CN Cover, rear RC2-2979-000CN Tray guide, left RC2-2980-000CN Tray guide, right RL1-1497-000CN RM1-4722-000CN RM1-4724-005CN Paper pickup tray assembly Laser/scanner assembly RM1-4725-000CN RM1-4726-000CN Paper delivery tray assembly Fuser - HP M1522nf | Service Manual - Page 255
RM1-4936-000CN Engine controller PCA (ECU), 220v-240v RU5-2885-000CN Scanner spring, compression See Control-panel bezels Control panel bezel, Western fax on page 211. See Control-panel bezels Control panel bezel, Asian fax on page 211. Table and page Internal components (3 of 3) on page 231 - HP M1522nf | Service Manual - Page 256
238 Chapter 7 Parts ENWW - HP M1522nf | Service Manual - Page 257
A Service and support Hewlett-Packard limited warranty statement HP PRODUCT HP LaserJet M1522n and M1522nf DURATION OF LIMITED WARRANTY One-year limited warranty HP warrants to you, the end-user customer, that HP hardware and accessories will be free from defects in materials and workmanship - HP M1522nf | Service Manual - Page 258
documentation in the provided shipping material. Failure to return the defective part may result in HP billing you for the replacement. With a customer self repair, HP will pay all shipping and part return costs and determine the courier/carrier to be used. 240 Appendix A Service and support ENWW - HP M1522nf | Service Manual - Page 259
To obtain warranty service, please return the product to place of purchase (with a written description of the problem and print samples) or contact HP customer support. At HP's option, HP will either replace TO THE SALE OF THIS PRODUCT TO YOU. ENWW Print cartridge limited warranty statement 241 - HP M1522nf | Service Manual - Page 260
, date of purchase, and problem description ready. Get 24-hour Internet support www.hp.com/support/ljm1522 Get support for products used with a Macintosh computer www.hp.com/go/macosx Download software utilities, drivers, and electronic information www.hp.com/go/ljm1522_software Order supplies - HP M1522nf | Service Manual - Page 261
B Specifications This section contains the following information about the product: ● Physical specifications ● Electrical specifications ● Power consumption ● Environmental specifications ● Acoustic emissions ENWW 243 - HP M1522nf | Service Manual - Page 262
, in watts)1 Product model Printing2 Copying2 Ready/Sleep3 Off HP LaserJet M1522n 420 W 420 W 10 W - HP M1522nf | Service Manual - Page 263
Declared per ISO 92961 Printing (23 ppm) LpAm = 52 dB(A) Ready Inaudible 1 Values are based on preliminary data. See www.hp.com/support/ljm1522 for current information. 2 Configuration tested: HP LaserJet M1522nf printing simplex using A4 paper at 23 ppm. ENWW Environmental specifications 245 - HP M1522nf | Service Manual - Page 264
246 Appendix B Specifications ENWW - HP M1522nf | Service Manual - Page 265
C Regulatory information This section contains the following regulatory information: ● FCC compliance ● Environmental product stewardship program ● Telephone Consumer Protection Act (United States) ● IC CS-03 requirements ● EU statement for telecom operation ● New Zealand telecom statements ● - HP M1522nf | Service Manual - Page 266
may request you remove the equipment from the network until the problem is resolved. The following repairs can be done by the customer: Replace any original equipment that came with the device. This includes the print cartridge, the supports for trays and bins, the power cord, and the telephone cord - HP M1522nf | Service Manual - Page 267
and instructions are included in every new HP LaserJet print cartridge and supplies package. You help reduce the toll on the environment further when you return multiple cartridges together rather than separately. HP is committed to providing inventive, high-quality products and services that - HP M1522nf | Service Manual - Page 268
The enclosed label in the HP LaserJet toner cartridge box is for the return and recycling of one or more HP LaserJet print cartridges after use. Please follow the applicable instructions below. Multiple returns (two to eight cartridges) 1. Package each HP LaserJet print cartridge in its original box - HP M1522nf | Service Manual - Page 269
HP LaserJet M1522 Type Weight Location User-removable Carbon monofluoride lithium 0.8 g On formatter board No For recycling information, you can go to www.hp your household waste disposal service or the shop where toner) can be obtained by contacting the HP Web site at www.hp.com/go/msds or www.hp - HP M1522nf | Service Manual - Page 270
obtain information about these environmental topics: ● Product environmental profile sheet for this and many related HP products ● HP's commitment to the environment ● HP's environmental management system ● HP's end-of-life product return and recycling program ● Material Safety Data Sheets Visit www - HP M1522nf | Service Manual - Page 271
unlawful for any person to use a computer or other electronic device, including fax machines, to send any message unless such message clearly contains, in a devices does not exceed five (5.0). The standard connecting arrangement code (telephone jack type) for equipment with direct connections to - HP M1522nf | Service Manual - Page 272
instructions provided in the user manual. If you experience network compatibility issues, please contact your equipment supplier or Hewlett-Packard does it imply that any product is compatible with all of Telecom's network services. This equipment may not provide for the effective hand-over of a - HP M1522nf | Service Manual - Page 273
-1 Manufacturer's Name: Manufacturer's Address: Hewlett-Packard Company DoC#: BOISB-0604-01-rel.1.0 11311 Chinden Boulevard, Boise, Idaho 83714-1021, USA declares, that the product Product Name: HP LaserJet M1522n Regulatory Model Number2) Product Options: Print Cartridge: BOISB-0604-01 ALL - HP M1522nf | Service Manual - Page 274
-1 Manufacturer's Name: Manufacturer's Address: Hewlett-Packard Company DoC#: BOISB-0604-02-rel.1.0 11311 Chinden Boulevard, Boise, Idaho 83714-1021, USA declares, that the product Product Name: HP LaserJet M1522nf Regulatory Model Number2) Product Options: Print Cartridge: BOISB-0604-02 ALL - HP M1522nf | Service Manual - Page 275
Class 1" laser product under the U.S. Department of Health and Human Services (DHHS) Radiation Performance Standard according to the Radiation Control for , or performing procedures other than those specified in this user guide may result in exposure to hazardous radiation. Canadian DOC regulations - HP M1522nf | Service Manual - Page 276
sätt än i bruksanvisning specificerats, kan användaren utsättas för osynlig laserstrålning, som överskrider gränsen för laserklass 1. HUOLTO HP LaserJet M1522n, M1522nf - kirjoittimen sisällä ei ole käyttäjän huollettavissa olevia kohteita. Laitteen saa avata ja huoltaa ainoastaan sen huoltamiseen - HP M1522nf | Service Manual - Page 277
Substances table (China) ENWW Safety statements 259 - HP M1522nf | Service Manual - Page 278
260 Appendix C Regulatory information ENWW - HP M1522nf | Service Manual - Page 279
sites 206 part numbers 206 acoustic emissions 245 activity log, fax printing 186 troubleshooting 177 ADF functions 51 input tray, install 19 locating 5 operations 51 page sizes supported 174 pickup-roller assembly, cleaning 32 scanner glass, remove 88 ADF jam detection document-feeder jam 53 long - HP M1522nf | Service Manual - Page 280
38 storing 26 warranty 241 caution toner on clothing 28 characters, troubleshooting 161 charge-copled device array (CCD) 50 checking supplies status, HP ToolboxFX 26 checklists after service 72 before service 71 print quality 158 problem-solving 138 troubleshooting 138 checks engine test page 178 - HP M1522nf | Service Manual - Page 281
print cartridge, removing 106 dots per inch (dpi) print settings 157 specifications 4 dots, troubleshooting 159 downstream device detection fax 66 dpi (dots per inch) print settings 157 specifications 4 drive belt, removing 135 driver-gear assembly, removing 135 drivers operating systems supported - HP M1522nf | Service Manual - Page 282
Finnish laser safety statement 258 firmware updates 204 flash memory advantages, fax storage 67 fax pages, storage 67 flash memory, fax 67 flatbed lid, removing hinge-retainer clip 78 flatbed scanner glass, cleaning 30 font list 184 fonts font lists, printing 36 formatter connectors 195 formatter, - HP M1522nf | Service Manual - Page 283
186 billing codes 188 confirmation (last fax sent or received) 186 last call 186 phone book 186 troubleshooting 177 loose toner, troubleshooting 160 M Macintosh drivers supported 8 HP Director 10 Intel Core Processor 8 PDEs 11 PPC 8 software components 10 support 242 supported operating systems - HP M1522nf | Service Manual - Page 284
troubleshooting 182 O off-hook 66 on-hook 66 on/off switch locating 5 online support 242 operating environment, specifications 16, 245 operating systems supported 8 operation sequence 48 operations ADF 51 engine control system 55 fax 63 fax, PSTN 63 image-formation system 59 laser/scanner - HP M1522nf | Service Manual - Page 285
image defects 192 settings 157 troubleshooting 157, 158 Print Settings tab, HP ToolboxFX 44 print-cartridge door, removing 106 print-quality test 73 printer drivers specifications 4 printing configuration page 36 demo page 36 event log 36 fax report 37 font lists 36 HP ToolboxFX, print settings 44 - HP M1522nf | Service Manual - Page 286
tool part number 206 scanner support-frame springs, removing 79 scanner support-frame, removing 118 scanner, calibrating control panel 35 HP ToolboxFX 35 scanner-cover backing, cleaning 31 scanning blank pages, troubleshooting 165 quality, troubleshooting 163, 165 speed, troubleshooting 164 scatter - HP M1522nf | Service Manual - Page 287
, troubleshooting faxing 177 scanning 164 smeared toner, troubleshooting 160 software components 8 embedded Web server 45 express installation 9 HP ToolboxFX 9, 37 HP Web Jetadmin 45 Macintosh 10 recommended installation 8 supported operating systems 8 system requirements 17 uninstall 11 Windows - HP M1522nf | Service Manual - Page 288
paper, troubleshooting 161 Web sites customer support 242 documentation 2 HP Web Jetadmin, downloading 46 Macintosh customer support 242 Material Safety Data Sheet (MSDS) 251 ordering supplies, parts, media 206 weight 244 white or faded stripes 166 Windows drivers supported 8 software components - HP M1522nf | Service Manual - Page 289
- HP M1522nf | Service Manual - Page 290
© 2008 Hewlett-Packard Development Company, L.P. www.hp.com *CB534-90945* *CB534-90945* CB534-90945
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HP LaserJet M1522 MFP Series
Service Manual