HP LaserJet M1522 mfp service manual

HP LaserJet M1522 MFP Series

Service Manual

HP LaserJet M1522 MFP Series

Service Manual

Copyright and License

© 2008 Copyright 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 are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein.

Edition 1, 1/2008

Part number: CB534-90945

Trademark Credits

Adobe®, Acrobat®, and PostScript® are trademarks of Adobe Systems Incorporated.

Microsoft®, Windows®, and Windows NT® are U.S. registered trademarks of Microsoft Corporation.

UNIX® is a registered trademark of The Open Group.

Table of contents

1	Product information
	Quick access to product information ....................................................................................................	2
	Product comparison .............................................................................................................................	3
	Product features ...................................................................................................................................	4
	Product walkaround ..............................................................................................................................	5
	Front view ............................................................................................................................	5
	Back view .............................................................................................................................	5
	Interface ports ......................................................................................................................	6
	Control-panel .......................................................................................................................	6
	Serial number and model 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 Web server (EWS) ..........................................................................................	10
	Software for Macintosh .......................................................................................................................	10
	HP Director ........................................................................................................................	10
	Macintosh Configure Device (Mac OS X v10.3, v10.4, and later) .....................................	10
	PDEs (Mac OS X v10.3, v10.4, and later) .........................................................................	11
	Uninstall software ...............................................................................................................................	11
	Windows ............................................................................................................................	11
	Macintosh ..........................................................................................................................	11
	Media specifications ...........................................................................................................................	12
	Supported paper and print media sizes .............................................................................	12
	Supported paper types and tray capacity ..........................................................................	13
2	Installation
	Site preparations ................................................................................................................................	16
	Operating environment ......................................................................................................	16
	Minimum system requirements ..........................................................................................	17
	What was in the box ...........................................................................................................................	18
	Install input devices ............................................................................................................................	19
	ADF input tray ....................................................................................................................	19
	Priority input tray ................................................................................................................	20

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Tray 1 .................................................................................................................................	21
Install supplies ....................................................................................................................................	22
Install the print cartridge ....................................................................................................	22
3 Maintenance
Manage supplies ................................................................................................................................	26
Life expectancies of supplies .............................................................................................	26
Check and order 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
Clean the paper path .........................................................................................................	34
Clean the paper path from HP ToolboxFX ........................................................	34
Clean the paper path from the product control panel ........................................	34
Calibrate the scanner .........................................................................................................	34
Calibrate the scanner from HP ToolboxFX .......................................................	35
Calibrate the scanner from the product control panel .......................................	35
Management tools ..............................................................................................................................	36
Information pages ..............................................................................................................	36
HP ToolboxFX ...................................................................................................................	37
View HP ToolboxFX ..........................................................................................	37
Status ................................................................................................................	38
Event log ...........................................................................................	38
Alerts .................................................................................................................	38
Set up status alerts ...........................................................................	38
Set up e-mail alerts ...........................................................................	38
Fax ....................................................................................................................	39
Fax tasks ..........................................................................................	39
Fax phone book ................................................................................	39
Fax send log .....................................................................................	41
Fax receive log .................................................................................	41
Block Faxes ......................................................................................	41
Help ...................................................................................................................	41
System Settings ................................................................................................	42
Device information ............................................................................	42
Paper handling .................................................................................	43
Print quality .......................................................................................	43
Paper types ......................................................................................	43
System setup ....................................................................................	44
Service ..............................................................................................	44
Device polling ...................................................................................	44
Print Settings .....................................................................................................	44
Printing .............................................................................................	44

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PCL 5e ..............................................................................................	45
PostScript .........................................................................................	45
Network Settings ...............................................................................................	45
Embedded Web server ......................................................................................................	45
Features ............................................................................................................	45
Use 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 operation .............................................................................................................	51
ADF operation ....................................................................................................................	51
ADF paper path and ADF sensors .....................................................................................	52
ADF jam detection .............................................................................................................	53
Internal components (base unit) .........................................................................................................	54
Engine control system ........................................................................................................................	55
Laser/scanner system ........................................................................................................................	57
Pickup/feed/delivery system ...............................................................................................................	58
Image-formation system ....................................................................................................................	59
Fax functions and operation (fax models only) ...................................................................................	63
Computer and network security features ...........................................................................	63
PSTN operation .................................................................................................................	63
Receive faxes when you hear fax tones ............................................................................	63
Distinctive ring function ......................................................................................................	64
Fax by using Voice over IP services ..................................................................................	64
The fax subsystem .............................................................................................................	65
Fax card in the fax subsystem ...........................................................................................	65
Safety isolation ..................................................................................................	65
Safety-protection circuitry ..................................................................................	65
Data path ...........................................................................................................	66
Hook state .........................................................................................................	66
Downstream device detection ...........................................................................	66
Hook switch control ...........................................................................................	66
Ring detect ........................................................................................................	67
Line current control ...........................................................................................	67
Billing- (metering-) tone filters ...........................................................................	67
Fax page storage in flash memory ....................................................................................	67
Stored fax pages ...............................................................................................	67
Advantages of flash memory storage ...............................................................	67
5 Removal and replacement
Removal and replacement strategy ....................................................................................................	70
Introduction ........................................................................................................................	70
Removal and replacement warnings, cautions, notes and tips .........................	70
Electrostatic discharge ......................................................................................	71
Required tools ...................................................................................................	71
Before performing service ..................................................................................................	71
After performing service .....................................................................................................	72

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Post-service tests ..............................................................................................................	73
Test 1 (print-quality test) ...................................................................................	73
Test 2 (copy-quality test) ...................................................................................	73
Test 3 (fax-quality test) ......................................................................................	73
Parts removal order ...........................................................................................................	74
Scanner and ADF components ..........................................................................................................	75
ADF input tray ....................................................................................................................	75
Flatbed lid ..........................................................................................................................	76
Link assemblies and scanner support-frame springs ........................................................	79
Control-panel bezel ............................................................................................................	81
Control-panel assembly .....................................................................................................	82
ADF separation pad ...........................................................................................................	83
ADF input-tray flag .............................................................................................................	84
ADF pickup roller assembly ..............................................................................................	85
ADF scanner glass ............................................................................................................	88
Scanner assembly .............................................................................................................	90
Product base ......................................................................................................................................	95
Print cartridge ....................................................................................................................	95
Separation pad (product base) ..........................................................................................	96
Pickup roller (product base) ...............................................................................................	97
Scanner cushions ............................................................................................................	100
Media input 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-pickup assembly ...................................................................................................	132
Drive-gear assembly and drive belt .................................................................................	135
6 Problem solve
Problem-solving checklist .................................................................................................................	138
Control-panel messages ..................................................................................................................	140
Alert and warning messages ..........................................................................................	140
Alert and warning message tables ..................................................................	140
Critical error messages ....................................................................................................	147
Critical error message-tables ..........................................................................	147
Clear jams ........................................................................................................................................	149
Causes of jams ................................................................................................................	149
Where to look for jams .....................................................................................................	150
Clear jams from the ADF .................................................................................................	151
Clear jams from the input-tray areas ...............................................................................	153
Clear jams from the output bin .........................................................................................	155

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Clear jams from the print-cartridge area ..........................................................................	156
Print problems ..................................................................................................................................	157
Print-quality problems ......................................................................................................	157
Improve print quality ........................................................................................	157
Print-quality settings .......................................................................	157
Identify and correct print defects .....................................................................	158
Print-quality checklist ......................................................................	158
General print-quality issues ............................................................	158
Scan problems .................................................................................................................................	163
Solve scanned-image problems ......................................................................................	163
Scan-quality problems .....................................................................................................	165
Prevent problems ............................................................................................	165
Solve scan-quality problems ...........................................................................	165
Copy problems .................................................................................................................................	166
Prevent problems .............................................................................................................	166
Image problems ...............................................................................................................	166
Media-handling problems ................................................................................................	167
Performance problems ....................................................................................................	169
Fax problems (fax models only) .......................................................................................................	170
General fax problem-solve ...............................................................................................	170
Problems receiving faxes .................................................................................................	171
Problems sending faxes ..................................................................................................	174
Voice-call problems .........................................................................................................	175
Media-handling problems ................................................................................................	176
Performance problems ....................................................................................................	177
Functional checks .............................................................................................................................	178
Engine test page ..............................................................................................................	178
Drum rotation test ............................................................................................................	178
Half self-test functional check ..........................................................................................	179
Perform a half self-test check ..........................................................................	179
Perform other checks .....................................................................................	179
Heating element check ....................................................................................................	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 reports ............................................................................	184
Configuration page ..........................................................................................	184
Supplies Status page ......................................................................................	184
PCL, PCL 6, or PS font list ..............................................................................	184
Demo page ......................................................................................................	185
Usage page .....................................................................................................................	185
Menu map ........................................................................................................................	185
Network report .................................................................................................................	185
Fax reports .......................................................................................................................	186
Fax activity log ................................................................................................	186

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Fax confirmation report ...................................................................................	186
Last call report .................................................................................................	186
Phone book report ...........................................................................................	186
Billing-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-solve diagrams ...................................................................................................................	192
Repetitive image defects .................................................................................................	192
Interface ports ..................................................................................................................	193
ECU connectors ...............................................................................................................	194
Formatter PCA .................................................................................................................	195
Fax card ...........................................................................................................................	196
Solenoid and motor ..........................................................................................................	197
Rollers ..............................................................................................................................	198
Sensors ............................................................................................................................	199
Major components ...........................................................................................................	200
PCAs (base unit) ..............................................................................................................	201
Scanner and ADF ............................................................................................................	202
Circuit diagram .................................................................................................................	203
Firmware updates .............................................................................................................................	204
Firmware update by using a flash executable file ............................................................	204
7 Parts
Ordering information .........................................................................................................................	206
Supplies and hinge tool ....................................................................................................................	206
Cable and interface accessories ......................................................................................................	206
Whole unit replacement ....................................................................................................................	207
Control-panel bezels ........................................................................................................................	211
Supplementry documentation and support .......................................................................................	214
Parts lists and diagrams ...................................................................................................................	216
Types of screws ...............................................................................................................	217
ADF and scanner assemblies ..........................................................................................................	218
ADF internal components .................................................................................................................	220
Assemblies .......................................................................................................................................	222
External covers and panels ..............................................................................................................	224
Internal components (1 of 3) ............................................................................................................	226
Internal components (2 of 3) ............................................................................................................	228
Internal components (3 of 3) ............................................................................................................	230
Alphabetical parts list .......................................................................................................................	232
Numerical parts list ...........................................................................................................................	235
Appendix A Service and support
Hewlett-Packard limited warranty statement ....................................................................................	239
Customer self repair warranty service ..............................................................................................	240

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Print cartridge limited warranty statement ........................................................................................	241
Customer support .............................................................................................................................	242
HP maintenance agreements ...........................................................................................................	242
Repacking the device ......................................................................................................	242
Extended warranty ...........................................................................................................	242
Appendix B Specifications
Physical specifications .....................................................................................................................	244
Electrical specifications ....................................................................................................................	244
Power consumption ..........................................................................................................................	244
Environmental specifications ............................................................................................................	245
Acoustic emissions ...........................................................................................................................	245
Appendix C Regulatory information
FCC compliance ...............................................................................................................................	248
Environmental product stewardship program ...................................................................................	249
Protecting the environment ..............................................................................................	249
Ozone production ............................................................................................................	249
Power consumption .........................................................................................................	249
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) ........................................	250
Single returns .................................................................................	250
Shipping ..........................................................................................	250
Non-US returns ...............................................................................................	250
Paper ...............................................................................................................................	250
Material restrictions ..........................................................................................................	250
Disposal of waste equipment by users in private households in the European Union ....	251
Material Safety Data Sheet (MSDS) ................................................................................	251
For more information .......................................................................................................	252
Telephone Consumer Protection Act (United States) ......................................................................	253
IC CS-03 requirements .....................................................................................................................	253
EU statement for telecom operation .................................................................................................	254
New Zealand telecom statements ....................................................................................................	254
Declaration of conformity ..................................................................................................................	255
Declaration of conformity ..................................................................................................................	256
Safety statements .............................................................................................................................	257
Laser safety .....................................................................................................................	257
Canadian DOC regulations ..............................................................................................	257
EMI statement (Korea) .....................................................................................................	257
Laser statement for Finland .............................................................................................	258
Substances table (China) ................................................................................................	259
Index .................................................................................................................................................................	261

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List of tables

Table 1-1	Product guides ...................................................................................................................................	2
Table 1-2 Supported paper and print media sizes ...........................................................................................		12
Table 1-3 Supported envelopes and postcards ...............................................................................................		13
Table 4-1 Sequence of operation .....................................................................................................................		48
Table 4-2	Power-on sequence .........................................................................................................................	49
Table 6-1 Alert and warning messages .........................................................................................................		140
Table 6-2 Critical error messages ..................................................................................................................		147
Table 6-3 Repetitive image defects ................................................................................................................		192
Table 6-4	ECU connectors .............................................................................................................................	194
Table 6-5	Formatter connectors .....................................................................................................................	195
Table 6-6	Fax card .........................................................................................................................................	196
Table 6-7 Solenoid and motor ........................................................................................................................		197
Table 6-8	Rollers ............................................................................................................................................	198
Table 6-9	Sensors ..........................................................................................................................................	199
Table 6-10	Major components ........................................................................................................................	200
Table 6-11 PCAs (base unit) ..........................................................................................................................		201
Table 6-12 Scanner and ADF .........................................................................................................................		202
Table 7-1 Whole unit replacement, product bundle 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 ...............................................................................................................		221
Table 7-8	Assemblies .....................................................................................................................................	223
Table 7-9 External covers and panels ............................................................................................................		225
Table 7-10 Internal components (1 of 3) ........................................................................................................		227
Table 7-11 Internal components (2 of 3) ........................................................................................................		229
Table 7-12 Internal components (3 of 3) ........................................................................................................		231
Table 7-13 Alphabetical parts list ...................................................................................................................		232
Table 7-14 Numerical parts list .......................................................................................................................		235
Table B-1	Physical specifications ...................................................................................................................	244
Table B-2	Electrical specifications ..................................................................................................................	244
Table B-3 Power consumption (average, in watts) .......................................................................................		244
Table B-4	Environmental specifications ........................................................................................................	245
Table B-5	Acoustic emissions .......................................................................................................................	245

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List of figures

Figure 2-1	Operating environment ...................................................................................................................	16
Figure 4-1 System block diagram .....................................................................................................................		48
Figure 4-2	Optical system ................................................................................................................................	50
Figure 4-3 ADF paper path ...............................................................................................................................		52
Figure 4-4 Cross-section of printer ...................................................................................................................		54
Figure 4-5 Engine control system .....................................................................................................................		55
Figure 4-6 Engine-control-system circuit diagram ............................................................................................		56
Figure 4-7	Laser/scanner system .....................................................................................................................	57
Figure 4-8	Pickup/feed/delivery system ...........................................................................................................	58
Figure 4-9	Image-formation system .................................................................................................................	59
Figure 4-10	Primary charging ...........................................................................................................................	59
Figure 4-11	Developing ....................................................................................................................................	60
Figure 4-12	Transfer .........................................................................................................................................	61
Figure 4-13	Separation .....................................................................................................................................	61
Figure 4-14	Fusing ...........................................................................................................................................	61
Figure 4-15	Drum cleaning ...............................................................................................................................	62
Figure 5-1 Phillips and pozidrive screwdriver comparison ...............................................................................		71
Figure 5-2 Parts removal order for the scanner and ADF ................................................................................		74
Figure 5-3 Parts removal order for the product (product base) ........................................................................		74
Figure 5-4 Remove the ADF input tray .............................................................................................................		75
Figure 5-5 Remove the flatbed lid (1 of 5) ........................................................................................................		76
Figure 5-6 ADF cover correctly installed ..........................................................................................................		76
Figure 5-7 Remove the flatbed lid (2 of 5) ........................................................................................................		77
Figure 5-8 Remove the flatbed lid (3 of 5) ........................................................................................................		77
Figure 5-9 Remove the flatbed lid (4 of 5) ........................................................................................................		78
Figure 5-10 Remove the flatbed lid (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 assemblies and scanner support-frame springs (4 of 4) ....................................		80
Figure 5-15 Remove the control-panel bezel ...................................................................................................		81
Figure 5-16 Remove the control-panel assembly (1 of 2) ................................................................................		82
Figure 5-17 Remove the control-panel assembly (2 of 2) ................................................................................		82
Figure 5-18 Remove the ADF separation pad .................................................................................................		83
Figure 5-19 Remove the ADF input-tray flag ....................................................................................................		84
Figure 5-20 Replacing the ADF pickup roller assembly (1 of 6) .......................................................................		85
Figure 5-21 Replacing the ADF pickup roller assembly (2 of 6) .......................................................................		85
Figure 5-22 Replacing the ADF pickup roller assembly (3 of 6) .......................................................................		86
Figure 5-23 Replacing the ADF pickup roller assembly (4 of 6) .......................................................................		86

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Figure 5-24 Replacing the ADF pickup roller assembly (5 of 6)	....................................................................... 87
Figure 5-25 Replacing the ADF pickup roller (6 of 6) .......................................................................................	87
Figure 5-26 Remove the ADF scanner glass (1 of 3) .......................................................................................	88
Figure 5-27 Remove the ADF scanner glass (2 of 3) .......................................................................................	88
Figure 5-28 Remove the ADF scanner glass (3 of 3) .......................................................................................	89
Figure 5-29 Remove the scanner assembly (1 of 10) ......................................................................................	90
Figure 5-30 Remove the scanner assembly (2 of 10) ......................................................................................	90
Figure 5-31 Remove the scanner assembly (3 of 10) ......................................................................................	91
Figure 5-32 Remove the scanner assembly (4 of 10) ......................................................................................	91
Figure 5-33 Remove the scanner assembly (5 of 10) ......................................................................................	92
Figure 5-34 Remove the scanner assembly (6 of 10) ......................................................................................	92
Figure 5-35 Remove the scanner assembly (7 of 10) ......................................................................................	93
Figure 5-36 Remove the scanner assembly (8 of 10) ......................................................................................	93
Figure 5-37 Remove the scanner assembly (9 of 10) ......................................................................................	94
Figure 5-38 Remove the scanner assembly (10 of 10) ....................................................................................	94
Figure 5-39 Remove the print cartridge (1 of 2) ...............................................................................................	95
Figure 5-40 Remove the print cartridge (2 of 2) ...............................................................................................	95
Figure 5-41 Remove the product separation pad (1 of 2) ................................................................................	96
Figure 5-42 Remove the product separation pad (2 of 2) ................................................................................	96
Figure 5-43 Remove the product pickup roller (1 of 5) .....................................................................................	97
Figure 5-44 Remove the product pickup roller (2 of 5) .....................................................................................	97
Figure 5-45 Remove the product pickup roller (3 of 5) .....................................................................................	98
Figure 5-46 Remove the product pickup roller (4 of 5) .....................................................................................	98
Figure 5-47 Remove the product pickup roller (5 of 5) .....................................................................................	99
Figure 5-48 Installing the scanner cushions ...................................................................................................	100
Figure 5-49 Remove the media input tray (1 of 3) .........................................................................................	101
Figure 5-50 Remove the media input tray (2 of 3) .........................................................................................	101
Figure 5-51 Remove the media input tray (3 of 3) .........................................................................................	102
Figure 5-52 Remove the transfer roller ..........................................................................................................	103
Figure 5-53 Remove the side covers (1 of 4) .................................................................................................	104
Figure 5-54 Remove the side covers (2 of 4) .................................................................................................	104
Figure 5-55 Remove the side covers (3 of 4) .................................................................................................	105
Figure 5-56 Remove the side covers (4 of 4) .................................................................................................	105
Figure 5-57 Remove the print-cartridge door (1 of 2) .....................................................................................	106
Figure 5-58 Remove the print-cartridge door (2 of 2) .....................................................................................	106
Figure 5-59 Remove the rear cover and fuser cover (1 of 3) .........................................................................	107
Figure 5-60 Remove the rear cover and fuser cover (2 of 3) .........................................................................	107
Figure 5-61 Remove the rear cover and fuser cover (3 of 3) .........................................................................	108
Figure 5-62 Remove the front cover (1 of 4) ..................................................................................................	109
Figure 5-63 Remove the front cover (2 of 4) ..................................................................................................	109
Figure 5-64 Remove the front cover (3 of 4) ..................................................................................................	110
Figure 5-65 Remove the front cover (4 of 4) ..................................................................................................	110
Figure 5-66 Remove the speaker assembly (1 of 2) ......................................................................................	111
Figure 5-67 Remove the speaker assembly (2 of 2) ......................................................................................	111
Figure 5-68 Remove the formatter .................................................................................................................	113
Figure 5-69 Remove the power supply (1 of 7) ..............................................................................................	114
Figure 5-70 Remove the power supply (2 of 7) ..............................................................................................	115
Figure 5-71 Remove the power supply (3 of 7) ..............................................................................................	115
Figure 5-72 Remove the power supply (4 of 7) ..............................................................................................	116
Figure 5-73 Remove the power supply (5 of 7) ..............................................................................................	116

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Figure 5-74 Remove the power supply (7 of 7) ..............................................................................................		117
Figure 5-75 Remove the power supply (7 of 7) ..............................................................................................		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 5-81 Remove the laser/scanner (1 of 7) .............................................................................................		121
Figure 5-82 Remove the laser/scanner (2 of 7) .............................................................................................		122
Figure 5-83 Remove the laser/scanner (3 of 7) .............................................................................................		122
Figure 5-84 Remove the laser/scanner (4 of 7) .............................................................................................		123
Figure 5-85 Remove the laser/scanner assembly (5 of 7) .............................................................................		123
Figure 5-86 Remove the laser/scanner assembly (6 of 7) .............................................................................		124
Figure 5-87 Remove the laser/scanner assembly (7 of 7)Remove the laser/scanner assembly (7 of 7) .......		124
Figure 5-88 Remove the main motor (1 of 4) .................................................................................................		125
Figure 5-89 Remove the main motor (2 of 4) .................................................................................................		126
Figure 5-90 Remove the main motor (3 of 4) .................................................................................................		126
Figure 5-91 Remove the main motor (4 of 4) .................................................................................................		127
Figure 5-92 Remove the fuser (1 of 6) ...........................................................................................................		128
Figure 5-93 Remove the fuser (2 of 6) ...........................................................................................................		129
Figure 5-94 Remove the fuser (3 of 6) ...........................................................................................................		129
Figure 5-95 Remove the fuser (4 of 6) ...........................................................................................................		130
Figure 5-96 Remove the fuser assembly (5 of 6) ...........................................................................................		130
Figure 5-97 Remove the fuser assembly (6 of 6) ...........................................................................................		131
Figure 5-98 Remove the paper-pickup assembly (1 of 4) ..............................................................................		132
Figure 5-99 Remove the paper-pickup assembly (2 of 4) ..............................................................................		133
Figure 5-100 Remove the paper-pickup assembly (3 of 4) ............................................................................		133
Figure 5-101 Remove the paper-pickup assembly (4 of 4) ............................................................................		134
Figure 5-102 Remove the Drive-gear assembly and drive belt (1 of 4). ........................................................		135
Figure 5-103 Remove the Drive-gear assembly and drive belt (2 of 4). ........................................................		135
Figure 5-104 Remove the Drive-gear assembly and drive belt (3 of 4). ........................................................		136
Figure 5-105 Remove the Drive-gear assembly and drive belt (4 of 4). ........................................................		136
Figure 6-1 Print-cartridge high-voltage connection points (right side) ............................................................		180
Figure 6-2 Print-cartridge high-voltage connection points (left side) ..............................................................		181
Figure 6-3	ECU connectors ............................................................................................................................	194
Figure 6-4	Formatter connectors ....................................................................................................................	195
Figure 6-5 Fax card connectors .....................................................................................................................		196
Figure 6-6 Solenoid and motor .......................................................................................................................		197
Figure 6-7	Rollers ...........................................................................................................................................	198
Figure 6-8	Sensors .........................................................................................................................................	199
Figure 6-9	Major components ........................................................................................................................	200
Figure 6-10 PCAs (base unit) .........................................................................................................................		201
Figure 6-11 Scanner and ADF .......................................................................................................................		202
Figure 6-12	Circuit diagram ...........................................................................................................................	203
Figure 7-1 Scanner and ADF assemblies ......................................................................................................		218
Figure 7-2 ADF internal components .............................................................................................................		220
Figure 7-3	Assemblies ....................................................................................................................................	222
Figure 7-4 External covers and panels ..........................................................................................................		224
Figure 7-5 Internal components (1 of 3) .........................................................................................................		226
Figure 7-6 Internal components (2 of 3) .........................................................................................................		228

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Figure 7-7 Internal components (3 of 3) .........................................................................................................

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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

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1

Quick access to product information

Use the following Web site to find information about the product.

●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. Available on the
User Guide	product CD or in Program Group if the software is installed on a computer.
HP ToolboxFX	To check the product status and settings, and to view problem-solving information and online
	documentation, use the HP ToolboxFX. You must have performed a complete software
	installation in order to use the HP ToolboxFX. See the user guide for more information about
	software installation.
Online Help	Provides information about options that are available in the printer drivers. To view a Help
	file, open the online Help through the printer driver.

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Product comparison

The product is available in the following configurations.

HP LaserJet M1522n MFP

HP LaserJet M1522nf MFP

●Prints letter-size pages at speeds up to 24 pages per minute (ppm) and A4-size pages at speeds up to 23 ppm.

●PCL 5 and PCL 6 printer drivers and HP postscript level 3 emulation.

●Priority input tray holds up to 10 sheets of print media.

●Tray 1 holds up to 250 sheets of print media or 10 envelopes.

●Hi-Speed USB 2.0 port and 10/100 Base-T network port.

●64-MB random-access memory (RAM).

●Flatbed scanner and 50-page automatic document feeder (ADF).

HP LaserJet M1522n MFP, plus:

●V.34 fax modem and 4-megabyte (MB) flash fax-storage memory.

●Two RJ-11 fax phone line ports

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Product features

Performance	●	Prints up to 24 ppm (letter) or 23 ppm (A4).
Print quality	●	600 x 2 dots per inch (dpi) with Resolution Enhancement Technology (RET).
	● Adjustable settings to optimize print quality.
	● The HP UltraPrecise print cartridge has a finer toner formulation that provides sharper text
		and graphics.
Fax (fax models only)	●	Full-functionality fax capabilities with a V.34 fax; includes a phone book, fax/tel, and
		delayed-fax features.
Copy	●	Includes ADF that allows faster, more efficient copy jobs with multiple-page documents.
Scan	●	The product provides 1,200 pixels per inch (ppi), 24-bit full-color scanning from letter/A4-
		size scanner glass.
	● The product provides 300 ppi, 24-bit full-color scanning from the automatic document
		feeder (ADF).
	● Includes an ADF that allows faster, more efficient scan jobs with multiple-page documents.
Networking	●	TCP/IP
		◦	IPv4
		◦	IPv6
Printer driver features	●	Fast printing performance, built-in Intellifont and TrueType scaling technologies, and
		advanced imaging capabilities are benefits of the PCL 6 printer language.
Interface connections	●	Hi-Speed USB 2.0 port.
	● 10/100 Base-T ethernet network port (RJ-45).
	● RJ-11 fax/phone cable ports (fax models only).
Economical printing	●	N-up printing (printing more than one page on a sheet).
	●	EconoMode setting.
Supplies	●	A supplies status page that displays the amount of life remaining in the print cartridge.
	● The product ships with a 1,000-page (average yield) starter cartridge. The average yield
		for replacement cartridges is 2,000 pages.
	● Authentication for HP print cartridges.
	● Enabled supplies-ordering capability.
Accessibility	●	Online user guide that is compatible with text screen-readers.
	● Print cartridges can be installed and removed by using one hand.
	● All doors and covers can be opened by using one hand.

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Product walkaround

Front view

1

2

3

4

5 7 6

1Automatic document feeder (ADF) input tray

2Automatic document feeder (ADF) output bin

3Control panel

4Print-cartridge door latch

5Output bin

6Priority input tray

7Tray 1

Back view

8

9

11 10

8Interface ports

9Power switch

10Power connector

11Kensington lock

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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

1Hi-Speed USB 2.0 port

2Network port

3Fax ports (fax models only)

Control-panel

1

2

3

4

5

1Fax controls (fax models only). Use the fax controls to change commonly used fax settings.

2Alphanumeric buttons. Use the alphanumeric buttons to type data into the product control-panel display and dial telephone numbers for faxing.

3Setup and cancel controls. Use these controls to select menu options, determine the product status, and cancel the current job.

4	Copy controls. Use these controls to change commonly used copy settings and to start copying.
5	Scan controls. Use these controls to scan to e-mail or to a folder.

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Serial number and model number location

The serial number and product model number label is on the back of the product.

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Product walkaround 7

Software description

Supported operating systems

The product supports the following operating systems:

Full software installation		Print and scan driver		Printer driver only
●	Windows XP (32-bit and 64-bit)	●	Windows 2000	●	Linux (Web only)
●	Windows Vista (32-bit and 64-bit)	●	Windows 2003 Server (32-bit)	●	UNIX model scripts (Web only)

●Mac OS X v10.3, v10.4, and later

NOTE: For Mac OS X v10.4 and later, PPC and Intel Core Processor Macs are supported.

Supported printer drivers

Operating system	PCL 5	PCL 6	HP postscript level 3
			emulation
Windows	1		1
Mac OS X v10.3, v10.4, and later

Linux2

1Driver can be installed by using the Microsoft Add Printer wizard, too.

2For Linux, download the HP postscript level 3 emulation driver from www.hp.com/go/linuxprinting.

The printer drivers include online Help that has instructions for common printing tasks and also describes the buttons, checkboxes, and drop-down lists that are in the printer driver.

Software included with the product

There are several options for completing a recommended install. Easy Install will complete the installation with default settings. Advanced Install allows 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

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◦HP Fax Setup Wizard

◦Uninstall program

●HP Update program

●HP Customer Participation Program

●Shop for HP Supplies program

●Other programs

◦Readiris OCR (not installed with other software; separate installation is required)

Express installation (USB or network)

The following software is included with an Express installation:

●PCL 6 printer driver

●Scan driver

NOTE: Express installation supports faxing by using the control panel.

NOTE: PCL 5 and HP postscript level 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 install the software for Windows, you can directly connect the product to a computer by using a USB cable, or you can connect the product to a network by using the internal print server. See the getting started guide for installation instructions, and see the Readme file for the latest software information.

HP ToolboxFX

Perform a typical installation in order to use HP ToolboxFX.

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HP ToolboxFX provides links to product status information and help information, such as the user guide, and tools for product problem-solving.

Embedded Web server (EWS)

The EWS is a Web-based interface that provides simple access to product status and configurations, including network configurations and Smart Printing Supplies (SPS) functionality.

You can gain access to the EWS through the network connection to the product. Type the product IP address in a Web browser to open the product EWS home page in the browser. From the home page, you can use the tabs and left navigation menu to check the status of the product, configure the product, or check the status of the supplies.

The following are supported browsers:

●Internet Explorer 5.0 or later

●Netscape Navigator 4.75 or later

●Opera 6.05 or later

●Safari 1.2 or later

Software for Macintosh

For Mac OS X v10.3, v10.4, and later, use Print Center to print.

NOTE: For Macintosh computers, HP 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 product through Macintosh Configure Device.

Also included is the HP product Setup Assistant, which sets up the fax and print queues.

Macintosh Configure Device (Mac OS X v10.3, v10.4, and later)

Macintosh Configure Device is a Web-based program that provides access to information about the product (or example, information about supplies status and product settings). Use Macintosh Configure Device to monitor and manage the product from the computer.

NOTE: You must perform a complete software installation to use Macintosh Configure Device.

●Check the product status and print information pages.

●Check and change product settings.

●Check default print settings.

●Check and change fax settings, including IP configuration, Advanced, mDNS, SNMP, network configuration, and fax reports.

You can view Macintosh Configure Device when the product is directly connected to a computer or when it is connected to the network.

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NOTE: You do not have to have Internet access to open and use Macintosh Configure Device.

View Macintosh Configure Device when the product is connected to the computer

1.Open HP Director by clicking the HP Director icon in the dock.

2.In HP Director, click Settings.

3.Select Configure Device to open the Macintosh Configure Device home page in a browser.

View Macintosh Configure Device when the product is connected to the network

1.Open one of the following browsers:

●Internet Explorer 5.0 or later

●Netscape Navigator 4.75 or later

●Opera 6.05 or later

●Safari 1.2 or later

2.Type the IP address of the product into the Web browser to open the Macintosh Configure Device home page.

PDEs (Mac OS X v10.3, v10.4, and later)

PDEs are code plug-ins that provide access to product features, such as information about the number of copies, two-sided printing, and quality settings. An installation program for the PDEs and other software is provided on the product CD for Macintosh.

Uninstall software

Windows

Use the Add or Remove Programs method in Windows to remove the product software. This method does not require you to have the software CD.

1.Click Start, point to Settings, 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.

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Media specifications

Supported paper and print media sizes

This product supports a number of paper sizes, and 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 mm (8.5 x 14 inches)
A4	210 x 297 mm (8.27 x 11.69 inches)
Executive	184 x 267 mm (7.24 x 10.51 inches)
A3	297 x 420 mm (11.69 x 16.54 inches)
A5	148 x 210 mm (5.83 x 8.27 inches)
A61	105 x 148 mm (4.13 x 5.83 inches)
11 x 17	279 x 432 mm (11 x 17 inches)
B4 (JIS)	257 x 364 mm (10.12 x 14.33 inches)
B5 (JIS)	182 x 257 mm (7.17 x 10.12 inches)
8k	270 x 390 mm (10.63 x 15.35 inches)
16k	197 x 273 mm (7.75 x 10.75 inches)
16k	195 x 270 mm (7.7 x 10.6 inches)
16k	184 x 260 mm (7.25 x 10.25 inches)
8.5 x 13	216 x 330 mm (8.5 x 13 inches)
4 x 61	107 x 152 mm (4 x 6 inches)
5 x 81	127 x 203 mm (5 x 8 inches)
10 x 15 cm1	100 x 150 mm (3.9 x 5.9 inches)
Custom	Minimum—76 x 127 mm (3 x 5 inches); Maximum—
	216 x 356 mm (8.5 x 14 inches)

1 These sizes are supported as custom sizes.

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