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HP Printer Service Manuals, Troubleshooting and Repair Manuals With Parts Diagrams and Part Numbers (Updated and New)

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Окончание поддержки: драйверы для принтеров в Windows 7, 8, 8.1, Server 2008, 2008R2.

HP больше не поддерживает эти драйверы принтеров с 1 ноября 2022 г. HP рекомендует обновить операционную систему до поддерживаемой версии. Подробнее

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HP Color LaserJet CP3525 Series Printer

Service Manual

Theory of operation

Removal and replacement

Solve problems

Parts list

www.hp.com/support/cljcp3525

HP Color LaserJet CP3525 Series Printers

Service Manual

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.

Part number: CC468-90963

Edition 1, 10/2008

Trademark Credits

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

Corel® is a trademark or registered trademark of Corel Corporation or Corel Corporation Limited.

Intel® Core™ is a trademark of Intel Corporation in the U.S. and other countries.

Java™ is a US trademark of Sun

Microsystems, Inc.

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

Windows Vista® is either a registered trademark or trademark of Microsoft Corporation in the United States and/or other countries.

PANTONE® is Pantone, Inc’s checkstandard trademark for color.

UNIX® is a registered trademark of The Open Group.

ENERGY STAR and the ENERGY STAR mark are registered U.S. marks.

Table of contents

1 Product basics
Product comparison ……………………………………………………………………………………………………………..	2
Product features …………………………………………………………………………………………………………………..	3
Product view ………………………………………………………………………………………………………………………..	6
Front view …………………………………………………………………………………………………………….	6
Back view ……………………………………………………………………………………………………………..	7
Interface ports ……………………………………………………………………………………………………….	8
Serial number and model number location ………………………………………………………………..	8
2 Control panel
Use the control panel ………………………………………………………………………………………………………….	10
Control-panel layout ……………………………………………………………………………………………..	10
Interpreting control panel indicator lights …………………………………………………………………	11
Control panel menus …………………………………………………………………………………………………………..	12
Use the menus …………………………………………………………………………………………………….	12
Menu hierarchy …………………………………………………………………………………………………………………..	13
Show Me How menu …………………………………………………………………………………………………………..	14
Retrieve job menu ………………………………………………………………………………………………………………	15
Information menu ……………………………………………………………………………………………………………….	17
Paper handling menu ………………………………………………………………………………………………………….	18
Configure device menu ……………………………………………………………………………………………………….	19
Printing menu ………………………………………………………………………………………………………	19
PCL sub-menu ……………………………………………………………………………………..	20
Print Quality menu ……………………………………………………………………………………………….	22
System setup menu ……………………………………………………………………………………………..	25
I/O menu …………………………………………………………………………………………………………….	32
Resets menu ……………………………………………………………………………………………………….	39
Diagnostics menu ……………………………………………………………………………………………………………….	40
Service menu …………………………………………………………………………………………………………………….	42
3 Paper and print media
Supported paper and print media sizes ………………………………………………………………………………….	44
Custom paper sizes …………………………………………………………………………………………………………….	46
Supported paper and print media types …………………………………………………………………………………	47

Tray and bin capacity ………………………………………………………………………………………………………….	48
Special paper or print media guidelines …………………………………………………………………………………	49
Load trays ………………………………………………………………………………………………………………………….	50
Paper orientation for loading trays ………………………………………………………………………….	50
Tray 1 ………………………………………………………………………………………………….	50
Tray 2 or optional Tray 3 ………………………………………………………………………..	52
Load Tray 1 …………………………………………………………………………………………………………	53
Print envelopes …………………………………………………………………………………….	55
Load Tray 2 …………………………………………………………………………………………………………	55
Load the optional 500-sheet paper and heavy media tray (Tray 3) ……………………………..	57
Load standard-sized paper into Tray 3 ……………………………………………………	57
Load custom-size paper into Tray 3 …………………………………………………………	59
Load 4 x 6 inch (10 x 15 cm) size paper into Tray 3 …………………………………..	61
Configure trays …………………………………………………………………………………………………………………..	65
Configure a tray when loading paper ………………………………………………………………………	65
Configure a tray to match print job settings ……………………………………………………………..	65
Configure a tray by using the Paper Handling menu …………………………………………………	66
Automatic overhead transparency sensing (auto sense mode) …………………………………..	66
Auto-sense settings ……………………………………………………………………………….	66
Select the media by source, type, or size ………………………………………………………………..	67
Source …………………………………………………………………………………………………	67
Type and Size ………………………………………………………………………………………	67
4 Manage and maintain the product
Information pages ……………………………………………………………………………………………………………….	70
HP Easy Printer Care ………………………………………………………………………………………………………….	71
Open the HP Easy Printer Care software ………………………………………………………………..	71
HP Easy Printer Care software sections ………………………………………………………………….	71
Embedded Web server ………………………………………………………………………………………………………..	74
Open the embedded Web server by using a network connection ……………………………….	74
Embedded Web server sections …………………………………………………………………………….	75
Use HP Web Jetadmin software …………………………………………………………………………………………..	77
Security features ………………………………………………………………………………………………………………..	78
Secure the embedded Web server …………………………………………………………………………	78
Secure Disk Erase (optional EIO hard drive) ……………………………………………………………	78
Data affected ………………………………………………………………………………………..	78
Additional Information ……………………………………………………………………………	79
Job storage ………………………………………………………………………………………….	79
HP Encrypted High Performance Hard Disks …………………………………………………………..	79
Lock the control-panel menus ………………………………………………………………………………..	79
Lock the formatter cage ………………………………………………………………………………………..	80
Manage supplies ………………………………………………………………………………………………………………..	81
Print-cartridge storage ………………………………………………………………………………………….	81

HP policy on non-HP print cartridges ………………………………………………………………………	81
HP fraud hotline and Web site ……………………………………………………………………………….	81
Replace supplies …………………………………………………………………………………………………	81
Supplies life ………………………………………………………………………………………….	81
Locate supplies …………………………………………………………………………………….	81
Supply replacement guidelines ……………………………………………………………….	82
Change print cartridges ………………………………………………………………………….	83
Change the toner collection unit ………………………………………………………………	86
Install memory ………………………………………………………………………………………	89
Install DDR2 memory DIMMs …………………………………………………..	89
Enable memory for Windows ……………………………………………………	92
Install an HP Jetdirect or EIO print server card or EIO hard disk …..	92
Clean the product ……………………………………………………………………………………………………………….	96
Clean the exterior ………………………………………………………………………………………………..	96
Clean spilled toner ……………………………………………………………………………………………….	96
Clean the fuser ……………………………………………………………………………………………………	96
Product updates …………………………………………………………………………………………………………………	97
Determine the current firmware version …………………………………………………………………..	97
Download new firmware from the HP Web site ………………………………………………………..	97
Transfer the new firmware to the product ………………………………………………………………..	97
Use the HP Easy Firmware Upgrade utility to update the firmware ………………	97
Use FTP to upload the firmware through a browser …………………………………..	98
Use FTP to upgrade the firmware on a network connection ………………………..	99
Use HP Web Jetadmin to upgrade the firmware ………………………………………..	99
Use Microsoft Windows commands to upgrade the firmware …………………….	100
Upgrade the HP Jetdirect firmware ……………………………………………………………………….	100
5 Theory of operation
Basic operation …………………………………………………………………………………………………………………	104
Sequence of operation ………………………………………………………………………………………..	104
Engine-control system ……………………………………………………………………………………………………….	106
DC controller ……………………………………………………………………………………………………..	107
Solenoids …………………………………………………………………………………………..	107
Clutches …………………………………………………………………………………………….	108
Switches …………………………………………………………………………………………….	108
Sensors ……………………………………………………………………………………………..	109
Motors and fans ………………………………………………………………………………….	109
High-voltage power supply ………………………………………………………………………………….	111
Low-voltage power supply …………………………………………………………………………………..	113
Overcurrent/overvoltage protection ………………………………………………………..	114
Safety ………………………………………………………………………………………………..	114
Voltage detection ………………………………………………………………………………..	114
Sleep (powersave) mode ……………………………………………………………………..	114

Low-voltage power supply failure …………………………………………………………..	114
Fuser (fixing) control …………………………………………………………………………………………..	115
Fuser (fixing) temperature-control circuit ………………………………………………..	116
Fuser (fixing) over-temperature protection ………………………………………………	116
Fuser (fixing)-failure detection ……………………………………………………………….	117
Laser/scanner system ……………………………………………………………………………………………………….	119
Image-formation system …………………………………………………………………………………………………….	121
Image-formation process …………………………………………………………………………………….	122
Step 1: Pre-exposure …………………………………………………………………………..	123
Step 2: Primary charging ………………………………………………………………………	123
Step 3: Laser-beam exposure ……………………………………………………………….	124
Step 4: Development ……………………………………………………………………………	124
Step 5: Primary transfer ……………………………………………………………………….	124
Step 6: Secondary transfer …………………………………………………………………..	125
Step 7: Separation ………………………………………………………………………………	126
Step 8: Fusing …………………………………………………………………………………….	126
Step 9: ITB cleaning …………………………………………………………………………….	127
Step 10: Drum cleaning ………………………………………………………………………..	127
Print cartridge ……………………………………………………………………………………………………	127
Developing-roller engagement and disengagement ………………………………………………..	129
Intermediate transfer belt (ITB) unit ………………………………………………………………………	130
Primary-transfer-roller engagement and disengagement …………………………..	131
ITB cleaning ……………………………………………………………………………………….	132
Calibration …………………………………………………………………………………………………………	133
Color-misregistration control …………………………………………………………………	134
Image-stabilization control ……………………………………………………………………	135
Pickup, feed, and delivery system ……………………………………………………………………………………….	136
Pickup-and-feed unit …………………………………………………………………………………………..	139
Cassette pickup …………………………………………………………………………………..	139
Cassette-presence detection ………………………………………………….	141
Cassette lift operation ……………………………………………………………	141
Cassette paper-presence detection …………………………………………	142
Multifeed prevention ……………………………………………………………..	143
Multipurpose tray pickup ………………………………………………………………………	144
Paper feed ………………………………………………………………………………………….	145
Skew-feed prevention ……………………………………………………………	146
OHT detection ……………………………………………………………………..	146
Fusing and delivery unit ………………………………………………………………………………………	147
Loop control ……………………………………………………………………………………….	147
Pressure-roller pressurization control …………………………………………………….	148
Duplexing unit (HP Color LaserJet CP3525dn and HP Color LaserJet CP3525x
only) …………………………………………………………………………………………………………………	150
Duplexing reverse and feed control ……………………………………………………….	151
Duplex pickup operation ……………………………………………………………………….	151

Jam detection …………………………………………………………………………………………………………………..	152
Optional paper feeder ………………………………………………………………………………………………………..	154
Paper-feeder pickup and feed operation ……………………………………………………………….	156
Paper-size detection and cassette-presence detection ……………………………………………	156
Paper-feeder cassette lift operation ………………………………………………………………………	158
Paper-feeder presence detection …………………………………………………………………………	159
Paper-feeder multiple feed prevention …………………………………………………………………..	160
Paper feeder jam detection ………………………………………………………………………………….	161
6 Removal and replacement
Introduction ………………………………………………………………………………………………………………………	164
Removal and replacement strategy …………………………………………………………………………………….	164
Electrostatic discharge ………………………………………………………………………………………………………	164
Required tools …………………………………………………………………………………………………………………	165
Before performing service ………………………………………………………………………………………………….	165
After performing service …………………………………………………………………………………………………….	166
Post-service test ……………………………………………………………………………………………………………….	166
Print-quality test …………………………………………………………………………………………………	166
DC controller connector locations ……………………………………………………………………………………….	167
Parts removal order …………………………………………………………………………………………………………..	168
Customer self repair (CSR) components ……………………………………………………………………………..	170
Print cartridges …………………………………………………………………………………………………..	170
Duplex-reverse guide ………………………………………………………………………………………….	172
Toner-collection unit …………………………………………………………………………………………..	173
Formatter PCA …………………………………………………………………………………………………..	175
Memory DIMM …………………………………………………………………………………………………..	176
Remove the memory DIMM ………………………………………………………………….	176
Enable memory for Windows ………………………………………………….	177
Tray cassette …………………………………………………………………………………………………….	178
Fuser ……………………………………………………………………………………………………………….	179
Pickup roller (Tray 2) ………………………………………………………………………………………….	180
Pickup and feed rollers (Tray 3) ……………………………………………………………………………	182
Separation roller (Tray 2) …………………………………………………………………………………….	183
Secondary transfer roller …………………………………………………………………………………….	184
Reinstall the transfer roller ……………………………………………………………………	185
Secondary transfer assembly ………………………………………………………………………………	186
Reinstall the secondary transfer assembly ……………………………………………..	187
Intermediate transfer belt (ITB) …………………………………………………………………………….	188
Right door (optional paper feeder) ………………………………………………………………………..	190
External panels, covers, and doors ……………………………………………………………………………………..	192
Identification and location ……………………………………………………………………………………	192
Front-door assembly …………………………………………………………………………………………..	193
Right-door assembly …………………………………………………………………………………………..	194

Right-rear cover …………………………………………………………………………………………………	198
Left cover ………………………………………………………………………………………………………….	200
Control-panel assembly ………………………………………………………………………………………	203
Right-front cover ………………………………………………………………………………………………..	205
Remove the right-front cover …………………………………………………………………	205
Reinstall the power button ……………………………………………………..	207
Front-top cover ………………………………………………………………………………………………….	208
Remove the front-top cover …………………………………………………………………..	208
Rear cover and upper-rear cover ………………………………………………………………………….	209
Remove the rear cover and upper-rear cover ………………………………………….	209
Rear-top cover …………………………………………………………………………………………………..	211
Remove the rear-top cover …………………………………………………………………..	211
Internal assemblies …………………………………………………………………………………………………………..	213
Pickup roller (Tray 1) ………………………………………………………………………………………….	213
Delivery fan, cartridge fan, and environmental sensor …………………………………………….	215
Remove the delivery fan, cartridge fan, and environmental sensor …………….	215
Toner-collection sensor ……………………………………………………………………………………..	220
Remove the toner-collection sensor ……………………………………………………….	220
Residual-toner-feed motor …………………………………………………………………………………..	222
Remove the residual-toner-feed motor …………………………………………………..	222
Reinstall the residual-toner collection door ……………………………….	226
Registration density (RD) sensor assembly ……………………………………………………………	227
Remove the RD sensor assembly ………………………………………………………….	227
Power-supply fan and fan duct …………………………………………………………………………….	230
Remove the power-supply fan and fan duct …………………………………………….	230
Registration assembly ………………………………………………………………………………………..	233
Remove the registration assembly …………………………………………………………	233
Interconnect board (ICB) …………………………………………………………………………………….	238
Remove the ICB ………………………………………………………………………………….	238
DC controller PCA and tray …………………………………………………………………………………	240
Remove the DC controller PCA …………………………………………………………….	240
Low-voltage power supply …………………………………………………………………………………..	243
Remove the low-voltage power supply …………………………………………………..	243
High-voltage power supply lower (HVPS-D) …………………………………………………………..	248
Remove the high-voltage power supply lower …………………………………………	248
Reinstall the high-voltage power supply lower ………………………….	250
Developing-disengagement motor ………………………………………………………………………..	251
Remove the developing-disengagement motor ……………………………………….	251
Pickup motor ……………………………………………………………………………………………………..	253
Remove the pickup motor …………………………………………………………………….	253
Lifter-drive assembly …………………………………………………………………………………………..	254
Remove the lifter-drive assembly …………………………………………………………..	254
Cassette-pickup drive assembly …………………………………………………………………………..	256
Remove the cassette-pickup drive assembly …………………………………………..	256

Reinstall the cassette-pickup drive assembly ……………………………	261
Cassette-pickup assembly …………………………………………………………………………………..	263
Remove the cassette-pickup assembly …………………………………………………..	263
Laser/scanner assembly (Y/M) …………………………………………………………………………….	265
Remove the laser/scanner assembly (Y/M) …………………………………………….	265
Laser/scanner assembly (C/Bk) ……………………………………………………………………………	272
Remove the laser/scanner assembly (C/Bk) ……………………………………………	273
Reinstall the protective glass cleaner (PGC) actuators ………………	276
High-voltage power supply upper (HVPS-T) …………………………………………………………..	279
Remove the high-voltage power supply upper …………………………………………	279
Reinstall the high-voltage power supply upper ………………………….	282
Drum motor 1 …………………………………………………………………………………………………….	283
Remove the drum motor 1 ……………………………………………………………………	283
Drum motor 2 or drum motor 3 …………………………………………………………………………….	284
Remove the drum motor 2 or drum motor 3 …………………………………………….	284
Fuser motor ………………………………………………………………………………………………………	285
Remove the fuser motor ……………………………………………………………………….	286
Main-drive assembly …………………………………………………………………………………………..	287
Remove the main-drive assembly ………………………………………………………….	288
Reinstall the main-drive assembly …………………………………………..	292
Fuser-drive assembly …………………………………………………………………………………………	298
Remove the fuser-drive assembly ………………………………………………………….	299
Reinstall the fuser-drive assembly …………………………………………..	302
Delivery assembly ………………………………………………………………………………………………	303
Remove the delivery assembly ……………………………………………………………..	304
Reinstall the delivery assembly ………………………………………………	307
Duplex-drive assembly ……………………………………………………………………………………….	308
Remove the duplex-drive assembly ……………………………………………………….	309
Optional paper feeder assembly (Tray 3) ……………………………………………………………………………..	310
Drawer connector ……………………………………………………………………………………………..	310
7 Solve problems
Solve problems checklist ……………………………………………………………………………………………………	312
Menu map ……………………………………………………………………………………………………………………….	314
Troubleshooting process ……………………………………………………………………………………………………	315
Determine the problem source …………………………………………………………………………….	315
Pre-troubleshooting checklist ………………………………………………………………..	315
Troubleshooting flowchart …………………………………………………………………….	316
Power subsystem ………………………………………………………………………………………………	317
Power-on checks …………………………………………………………………………………	317
Power-on troubleshooting overview ………………………………………..	317
Tools for troubleshooting ……………………………………………………………………………………………………	319
Individual component diagnostics …………………………………………………………………………	319

LED diagnostics ………………………………………………………………………………….	319
Understand lights on the formatter ………………………………………….	319
Engine diagnostics ………………………………………………………………………………	320
Diagnostics menu …………………………………………………………………	320
Diagnostics mode …………………………………………………………………	321
Diagnostics that put the engine into the special diagnostics
mode …………………………………………………………………………………..	321
Defeating interlocks ………………………………………………………………	321
Disable cartridge check …………………………………………………………	323
Engine-test button ………………………………………………………………..	323
Paper-path test ……………………………………………………………………………………	324
Manual sensor test (special-mode test) ………………………………………………….	325
A TOP (top of page) sensor ……………………………………………………	325
B and C loop sensors ……………………………………………………………	326
D fuser (fixing) delivery sensor ……………………………………………….	327
E duplex re-pickup sensor ……………………………………………………..	328
F output bin full sensor ………………………………………………………….	328
H fuser (fixing) pressure-release sensor …………………………………	329
I primary transfer-roller disengagement sensor …………………………	330
K right and front door interlock switches …………………………………..	332
Manual sensor test 2 (special-mode test) ……………………………………………….	334
L Tray 1 media present sensor ………………………………………………	334
M Tray 2 paper out sensor …………………………………………………….	335
N Tray 2 closed sensor ………………………………………………………….	336
O Tray 2 stack-surface sensor ………………………………………………	336
P optional Tray 3-empty sensor ………………………………………………	337
Q optional Tray 3 media-feed sensor (Q) …………………………………	338
R optional Tray 3 stack-surface sensor (R) ………………………………	338
S, T, and U optional Tray 3 media-size sensors ……………………….	339
Paper-path sensors test ……………………………………………………………………….	340
Print/stop test ……………………………………………………………………………………..	340
Component tests …………………………………………………………………………………	341
Component test (special-mode test) ………………………………………..	341
Diagrams ………………………………………………………………………………………………………….	343
Formatter PCA ……………………………………………………………………………………	343
Location of connectors …………………………………………………………………………	344
DC controller PCA ………………………………………………………………..	344
Paper feeder driver PCA ……………………………………………………….	345
PCAs, motors, fans, switches, solenoids, and clutches …………………………….	345
Base product ……………………………………………………………………….	346
1 x 500 paper feeder …………………………………………………………….	352
Sensors ……………………………………………………………………………………………..	353
General timing chart …………………………………………………………………………….	355
Circuit diagrams ………………………………………………………………………………….	355

Print-quality troubleshooting tools …………………………………………………………………………	358
Repetitive defects ruler ………………………………………………………………………..	358
Calibrate the product ……………………………………………………………………………	359
Internal print-quality test pages …………………………………………………………………………….	359
Print-quality-troubleshooting pages ………………………………………………………..	359
Diagnostics page …………………………………………………………………………………	362
Cleaning page …………………………………………………………………………………….	363
Configuration page ………………………………………………………………………………	364
Configuration page ……………………………………………………………….	364
HP embedded Jetdirect page …………………………………………………	366
Embedded protocol page ………………………………………………………	367
Finding important information on the configuration pages …………..	368
Color-band test ……………………………………………………………………………………	368
Control-panel messages table …………………………………………………………………………………………….	369
Event log messages ………………………………………………………………………………………………………….	395
Print an event log ……………………………………………………………………………………………….	395
Show an event log ……………………………………………………………………………………………..	395
Sample event log ……………………………………………………………………………………………….	396
Clear the event log ……………………………………………………………………………………………..	396
Event log message table …………………………………………………………………………………….	397
Clear paper jams ………………………………………………………………………………………………………………	404
Common causes of jams …………………………………………………………………………………….	404
Jam locations …………………………………………………………………………………………………….	405
Clear jams …………………………………………………………………………………………………………	405
Clear jams in the right door …………………………………………………………………..	406
Clear jams in the output bin area …………………………………………………………..	410
Clear jams in Tray 1 …………………………………………………………………………….	411
Clear jams in Tray 2 …………………………………………………………………………….	413
Clear jams in the optional 500-sheet paper and heavy media tray
(Tray 3) ………………………………………………………………………………………………	414
Clear jams in the lower right door (Tray 3) ………………………………………………	414
Jam causes and solutions …………………………………………………………………….	415
Jams in the output bin …………………………………………………………..	415
Jams in the fuser and transfer area …………………………………………	416
Jams in the duplex area (HP Color LaserJet CP3525dn and HP
Color LaserJet CP3525x only) ………………………………………………..	419
Jams in Tray 1, Tray 2 and internal paper path …………………………	421
Jams in Tray 3 ……………………………………………………………………..	423
Change jam recovery ………………………………………………………………………………………….	424
Solve paper-handling problems …………………………………………………………………………………………..	425
Product feeds multiple sheets ………………………………………………………………………………	425
Product feeds incorrect page size ………………………………………………………………………..	425
Product pulls from incorrect tray …………………………………………………………………………..	425
Paper does not feed automatically ……………………………………………………………………….	426

Paper does not feed from Tray 2 or 3 ……………………………………………………………………	426
Transparencies or glossy paper will not feed …………………………………………………………	427
Envelopes jam or will not feed in the product …………………………………………………………	427
Output is curled or wrinkled …………………………………………………………………………………	428
Product will not duplex or duplexes incorrectly ……………………………………………………….	428
Use manual print modes ……………………………………………………………………………………………………	430
Solve image-quality problems …………………………………………………………………………………………….	432
Image defects table ……………………………………………………………………………………………	432
Solve performance problems ……………………………………………………………………………………………..	438
Solve connectivity problems ……………………………………………………………………………………………….	439
Solve direct-connect problems …………………………………………………………………………….	439
Solve network problems ……………………………………………………………………………………..	439
Service mode functions ……………………………………………………………………………………………………..	441
Service menu …………………………………………………………………………………………………….	441
Product resets ……………………………………………………………………………………………………	442
Restore factory-set defaults ………………………………………………………………….	442
Hard disk initialization (optional) ……………………………………………………………	443
NVRAM initialization …………………………………………………………………………….	443
Product cold reset ………………………………………………………………………………	443
8 Parts and diagrams
Order parts, accessories, and supplies ………………………………………………………………………………..	446
Part numbers ……………………………………………………………………………………………………………………	447
Accessories ………………………………………………………………………………………………………	447
Print cartridges and toner collection unit ………………………………………………………………..	447
Memory …………………………………………………………………………………………………………….	447
Cables and interfaces …………………………………………………………………………………………	448
Customer self repair (CSR) parts …………………………………………………………………………	448
Maintenance kits ………………………………………………………………………………………………..	450
Screws …………………………………………………………………………………………………………………………….	451
How to use the parts lists and diagrams ………………………………………………………………………………	452
External covers, panels, and doors ……………………………………………………………………………………..	454
…………………………………………………………………………………………………………………………	454
Right door assembly ………………………………………………………………………………………………………….	456
Internal components ………………………………………………………………………………………………………….	458
Internal components (1 of 5) ………………………………………………………………………………..	458
Internal components (2 of 5) ………………………………………………………………………………..	460
Internal components (3 of 5) ………………………………………………………………………………..	462
Internal components (4 of 5) ………………………………………………………………………………..	464
Internal components (5 of 5) ………………………………………………………………………………..	466
Cassette ……………………………………………………………………………………………………………	468
Cassette paper pickup assembly ………………………………………………………………………….	470
MP paper pickup assembly ………………………………………………………………………………….	472

Registration assembly ………………………………………………………………………………………..	474
Secondary transfer assembly ………………………………………………………………………………	476
Delivery assembly ………………………………………………………………………………………………	478
Fusing (fixing) assembly …………………………………………………………………………………….	480
PCAs ………………………………………………………………………………………………………………..	484
Assessories ……………………………………………………………………………………………………………………..	486
1 x 500 paper feeder …………………………………………………………………………………………..	486
1 x 500 paper feeder …………………………………………………………………………………………..	487
Paper feeder main body ……………………………………………………………………………………..	489
Cassette ……………………………………………………………………………………………………………	491
Alphabetical parts list ………………………………………………………………………………………………………..	493
Numerical parts list ……………………………………………………………………………………………………………	500
Appendix A Service and support
Hewlett-Packard limited warranty statement …………………………………………………………………………	508
HP’s Premium Protection Warranty: LaserJet print cartridge limited warranty statement …………….	509
HP Color LaserJet Fuser Kit Limited Warranty Statement ………………………………………………………	510
End User License Agreement …………………………………………………………………………………………….	511
Customer self-repair warranty service ………………………………………………………………………………….	513
Customer support ……………………………………………………………………………………………………………..	514
Appendix B Product specifications
Physical specifications ………………………………………………………………………………………………………	516
Performance specifications ………………………………………………………………………………………………..	516
Electrical specifications ……………………………………………………………………………………………………..	516
Acoustic specifications ………………………………………………………………………………………………………	517
Environmental specifications ………………………………………………………………………………………………	517
Paper and print media specifications …………………………………………………………………………………..	517
Skew specifications …………………………………………………………………………………………………………..	517
Appendix C Regulatory information
FCC regulations ……………………………………………………………………………………………………………….	520
Declaration of Conformity …………………………………………………………………………………………………..	521
Certificate of volatility ………………………………………………………………………………………………………..	522
Safety statements ……………………………………………………………………………………………………………..	523
Laser safety ………………………………………………………………………………………………………	523
Canadian DOC regulations ………………………………………………………………………………….	523
VCCI statement (Japan) ……………………………………………………………………………………..	523
Power cord statement (Japan) ……………………………………………………………………………..	523
EMC statement (Korea) ………………………………………………………………………………………	523
Laser statement for Finland …………………………………………………………………………………	523
Substances Table (China) …………………………………………………………………………………..	524

Index ……………………………………………………………………………………………………………………………………………..

525

List of tables

Table 2-1 Embedded Jetdirect and EIO <X> Jetdirect menus ……………………………………………………………….	32
Table 3-1 Supported paper and print media sizes ……………………………………………………………………………….	44
Table 5-1 Sequence of operation …………………………………………………………………………………………………….	105
Table 5-2	Solenoids ………………………………………………………………………………………………………………………	107
Table 5-3	Switches ………………………………………………………………………………………………………………………..	108
Table 5-4	Sensors …………………………………………………………………………………………………………………………	109
Table 5-5	Motors …………………………………………………………………………………………………………………………..	110
Table 5-6	Fans ……………………………………………………………………………………………………………………………..	111
Table 5-7 High-voltage power supply circuits …………………………………………………………………………………….	112
Table 5-8 Converted DC voltages ……………………………………………………………………………………………………	113
Table 5-9 Fuser (fixing) components ………………………………………………………………………………………………..	115
Table 5-10 Primary-transfer-roller engagement states ………………………………………………………………………..	131
Table 5-11	Image-stabilization controls …………………………………………………………………………………………….	135
Table 5-12 Switches and sensors for the pickup, feed, and delivery system ………………………………………….	136
Table 5-13 Motors and solenoids for the pickup, feed, and delivery system ………………………………………….	137
Table 5-14 Jams that the product detects …………………………………………………………………………………………	152
Table 5-15 Electrical components for the paper feeder ………………………………………………………………………	155
Table 6-1 DC controller connectors ………………………………………………………………………………………………….	167
Table 7-1	Pre-troubleshooting checklist ……………………………………………………………………………………………	315
Table 7-2	Troubleshooting flowchart ………………………………………………………………………………………………..	316
Table 7-3 Manual sensor diagnostic tests …………………………………………………………………………………………	325
Table 7-4 Manual sensor test 2 diagnostic tests ………………………………………………………………………………..	334
Table 7-5 Paper-path sensors diagnostic tests ………………………………………………………………………………….	340
Table 7-6 Component test details ……………………………………………………………………………………………………	341
Table 7-7	Formatter PCA ……………………………………………………………………………………………………………….	343
Table 7-8 DC controller connectors ………………………………………………………………………………………………….	344
Table 7-9 Paper feeder driver PCA connectors …………………………………………………………………………………	345
Table 7-10 PCAs, motors, fans, switches, solenoids, and clutches ………………………………………………………	350
Table 7-11	Sensors ……………………………………………………………………………………………………………………….	353
Table 7-12 Important information on the configuration pages ………………………………………………………………	368
Table 7-13	Control-panel messages ………………………………………………………………………………………………..	369
Table 7-14 Causes and solutions for delivery delay jam ……………………………………………………………………..	415
Table 7-15 Causes and solutions for fuser delivery delay jams ……………………………………………………………	416
Table 7-16 Causes and solutions for wrapping jams ………………………………………………………………………….	416

Table 7-17 Causes and solutions for fuser delivery stationary jams ……………………………………………………..	416
Table 7-18 Causes and solutions for residual media jams ………………………………………………………………….	417
Table 7-19 Causes and solutions for pickup delay jams 2 …………………………………………………………………..	418
Table 7-20 Causes and solutions for pickup stationary jams ……………………………………………………………….	419
Table 7-21 Causes and solutions for duplexing reverse jams …………………………………………………………….	419
Table 7-22 Causes and solutions for duplex repick jams ……………………………………………………………………	420
Table 7-23 Causes and solutions for residual media jams ………………………………………………………………….	420
Table 7-24 Causes and solutions for pickup delay jam 1: tray pickup …………………………………………………..	421
Table 7-25 Causes and solutions for pickup stationary jams ……………………………………………………………….	422
Table 7-26 Causes and solutions for pickup delay jam 1; MP tray pickup ……………………………………………..	422
Table 7-27 Causes and solutions for pickup delay and pickup stationary jams ………………………………………	423
Table 7-28 MP modes under the ADJUST PAPER TYPES sub menu ………………………………………………….	430
Table 7-29 MP modes under the OPTIMIZE submenu ……………………………………………………………………….	431
Table 8-1	Common fasteners …………………………………………………………………………………………………………	451
Table 8-2 External covers, panels, and doors; ………………………………………………………………………………….	455
Table 8-3 Right door assembly ……………………………………………………………………………………………………….	457
Table 8-4 Internal components (1 of 5) …………………………………………………………………………………………….	459
Table 8-5 Internal components (2 of 5) …………………………………………………………………………………………….	461
Table 8-6 Internal components (3 of 5) …………………………………………………………………………………………….	463
Table 8-7 Internal components (4 of 5) …………………………………………………………………………………………….	465
Table 8-8 Internal components (5 of 5) …………………………………………………………………………………………….	467
Table 8-9	Cassette ………………………………………………………………………………………………………………………..	469
Table 8-10 Cassette paper pickup assembly …………………………………………………………………………………….	471
Table 8-11 MP paper pickup assembly …………………………………………………………………………………………….	473
Table 8-12	Registration assembly ……………………………………………………………………………………………………	475
Table 8-13 Secondary Transfer assembly ………………………………………………………………………………………..	477
Table 8-14	Delivery assembly …………………………………………………………………………………………………………	479
Table 8-15	Fusing assembly …………………………………………………………………………………………………………..	483
Table 8-16	PCAs …………………………………………………………………………………………………………………………..	485
Table 8-17 1 x 500 paper feeder ……………………………………………………………………………………………………..	488
Table 8-18 Paper feeder main body …………………………………………………………………………………………………	490
Table 8-19	Cassette ………………………………………………………………………………………………………………………	492
Table 8-20	Alphabetical parts list …………………………………………………………………………………………………….	493
Table 8-21 Numerical parts list ………………………………………………………………………………………………………..	500
Table B-1	Product dimensions ………………………………………………………………………………………………………..	516
Table B-2 Product dimensions, with all doors and trays fully opened ……………………………………………………	516
Table B-3	Power requirements ………………………………………………………………………………………………………..	516
Table B-4 Power consumption (average, in watts) …………………………………………………………………………….	517
Table B-5 HP Color LaserJet CP3525 Series ……………………………………………………………………………………	517
Table B-6 Media registration and image placement accuracy ……………………………………………………………..	517

List of figures

Figure 4-1 Slot for the security cable ………………………………………………………………………………………………….	80
Figure 4-2 Supply item locations ……………………………………………………………………………………………………….	82
Figure 5-1 Relationship between the main product systems ……………………………………………………………….	104
Figure 5-2	Engine-control system ……………………………………………………………………………………………………	106
Figure 5-3 DC controller block diagram …………………………………………………………………………………………….	107
Figure 5-4 High-voltage power supply circuits …………………………………………………………………………………..	111
Figure 5-5 Low-voltage power-supply circuit ……………………………………………………………………………………..	113
Figure 5-6 Fuser (fixing) components ………………………………………………………………………………………………	115
Figure 5-7 Fuser temperature-control circuit ……………………………………………………………………………………..	116
Figure 5-8	Laser/scanner system …………………………………………………………………………………………………….	119
Figure 5-9	Image-formation system …………………………………………………………………………………………………	121
Figure 5-10	Image-formation process ………………………………………………………………………………………………	122
Figure 5-11	Pre-exposure ………………………………………………………………………………………………………………	123
Figure 5-12	Primary charging ………………………………………………………………………………………………………….	123
Figure 5-13	Laser-beam exposure …………………………………………………………………………………………………..	124
Figure 5-14	Development ……………………………………………………………………………………………………………….	124
Figure 5-15	Primary transfer …………………………………………………………………………………………………………..	125
Figure 5-16	Secondary transfer ……………………………………………………………………………………………………….	125
Figure 5-17	Separation …………………………………………………………………………………………………………………..	126
Figure 5-18	Fusing ………………………………………………………………………………………………………………………..	126
Figure 5-19	ITB cleaning ………………………………………………………………………………………………………………..	127
Figure 5-20	Drum cleaning ……………………………………………………………………………………………………………..	127
Figure 5-21	Print-cartridge system …………………………………………………………………………………………………..	128
Figure 5-22 Developing-roller engagement and disengagement control ……………………………………………….	129
Figure 5-23	ITB unit ……………………………………………………………………………………………………………………….	130
Figure 5-24 Three states of primary-transfer-roller engagement and disengagement ……………………………..	132
Figure 5-25 ITB cleaning process ……………………………………………………………………………………………………	133
Figure 5-26 Toner patterns for calibration …………………………………………………………………………………………	134
Figure 5-27 Switches and sensors for the pickup, feed, and delivery system ………………………………………..	136
Figure 5-28 Motors and solenoids for the pickup, feed, and delivery system …………………………………………	137
Figure 5-29 Three main units of the pickup, feed, and delivery system …………………………………………………	138
Figure 5-30	………………………………………………………………………………………………………………………………….	139
Figure 5-31	Cassette-pickup mechanism ………………………………………………………………………………………….	140
Figure 5-32 Cassette presence sensor …………………………………………………………………………………………….	141

Figure 5-33 Cassette lift mechanism ………………………………………………………………………………………………..	142
Figure 5-34	Paper-level-detection mechanism ………………………………………………………………………………….	143
Figure 5-35	Multifeed prevention ……………………………………………………………………………………………………..	143
Figure 5-36 Multipurpose tray pickup mechanism ………………………………………………………………………………	144
Figure 5-37	Paper-feed mechanism …………………………………………………………………………………………………	145
Figure 5-38	Skew-feed prevention …………………………………………………………………………………………………..	146
Figure 5-39 Fuser and delivery unit ………………………………………………………………………………………………….	147
Figure 5-40	Loop-control mechanism ……………………………………………………………………………………………….	148
Figure 5-41 Pressure-roller pressurization control ……………………………………………………………………………..	149
Figure 5-42	Duplexing unit ……………………………………………………………………………………………………………..	150
Figure 5-43 Jam detection sensors ………………………………………………………………………………………………….	152
Figure 5-44 Optional paper feeder …………………………………………………………………………………………………..	154
Figure 5-45 Signals for the paper feeder ………………………………………………………………………………………….	155
Figure 5-46 Paper-feeder pickup and feed operation …………………………………………………………………………	156
Figure 5-47 Paper size detection …………………………………………………………………………………………………….	157
Figure 5-48 Paper-feeder cassette lift ……………………………………………………………………………………………..	159
Figure 5-49 Paper-feeder multiple feed prevention …………………………………………………………………………….	160
Figure 5-50	Jam detection ………………………………………………………………………………………………………………	161
Figure 6-1 Phillips and pozidrive screwdriver comparison …………………………………………………………………..	165
Figure 6-2 DC controller connector locations …………………………………………………………………………………….	167
Figure 6-3 Parts removal order (1 of 2) …………………………………………………………………………………………….	168
Figure 6-4 Parts removal order (2 of 2) …………………………………………………………………………………………….	169
Figure 6-5 Remove the print cartridge (1 of 2) …………………………………………………………………………………..	170
Figure 6-6 Remove the print cartridge (2 of 2) …………………………………………………………………………………..	171
Figure 6-7 Remove the duplex-reverse guide (1 of 2) ………………………………………………………………………..	172
Figure 6-8 Remove the duplex-reverse guide (2 of 2) ………………………………………………………………………..	172
Figure 6-9 Remove the toner-collection unit (1 of 4) …………………………………………………………………………..	173
Figure 6-10 Remove the toner-collection unit (2 of 4) …………………………………………………………………………	173
Figure 6-11 Remove the toner-collection unit (3 of 4) …………………………………………………………………………	174
Figure 6-12 Remove the toner-collection unit (4 of 4) …………………………………………………………………………	174
Figure 6-13 Remove the formatter …………………………………………………………………………………………………..	175
Figure 6-14 Remove the memory DIMM (1 of 2) ………………………………………………………………………………..	176
Figure 6-15 Remove the memory DIMM (2 of 2) ………………………………………………………………………………..	177
Figure 6-16 Remove the tray cassette (1 of 2) …………………………………………………………………………………..	178
Figure 6-17 Remove the tray cassette (2 of 2) …………………………………………………………………………………..	178
Figure 6-18 Remove the fuser (1 of 2) ……………………………………………………………………………………………..	179
Figure 6-19 Remove the fuser (2 of 2) ……………………………………………………………………………………………..	179
Figure 6-20 Remove the pickup roller (Tray 2) (1 of 4) ……………………………………………………………………….	180
Figure 6-21 Remove the pickup roller (Tray 2) (2 of 4) ……………………………………………………………………….	180
Figure 6-22 Remove the pickup roller (Tray 2) (3 of 4) ……………………………………………………………………….	181
Figure 6-23 Remove the pickup roller (Tray 2) (4 of 4) ……………………………………………………………………….	181
Figure 6-24 Remove the Pickup and feed rollers (Tray 3) (1 of 2) ………………………………………………………..	182
Figure 6-25 Remove the Pickup and feed rollers (Tray 3) (2 of 2) ………………………………………………………..	182
Figure 6-26 Remove the separation roller (Tray 2) …………………………………………………………………………….	183

Figure 6-27 Remove the transfer roller (1 of 3) ………………………………………………………………………………….	184
Figure 6-28 Remove the transfer roller (2 of 3) ………………………………………………………………………………….	184
Figure 6-29 Remove the transfer roller (3 of 3) ………………………………………………………………………………….	185
Figure 6-30 Reinstall the transfer roller …………………………………………………………………………………………….	185
Figure 6-31 Remove the transfer roller (2 of 3) ………………………………………………………………………………….	186
Figure 6-32 Remove the secondary transfer assembly (1 of 2) ……………………………………………………………	186
Figure 6-33 Remove the secondary transfer assembly (2 of 2) ……………………………………………………………	187
Figure 6-34 Reinstall the secondary transfer assembly ………………………………………………………………………	187
Figure 6-35 Remove the intermediate transfer belt (1 of 3) …………………………………………………………………	188
Figure 6-36 Remove the intermediate transfer belt (2 of 3) …………………………………………………………………	188
Figure 6-37 Remove the intermediate transfer belt (3 of 3) …………………………………………………………………	189
Figure 6-38 Remove the right door; optional paper feeder (1 of 3) ……………………………………………………….	190
Figure 6-39 Remove the right door; optional paper feeder (2 of 3) ……………………………………………………….	190
Figure 6-40 Remove the right door; optional paper feeder (3 of 3) ……………………………………………………….	191
Figure 6-41 External panels, covers, and doors; identification and location …………………………………………..	192
Figure 6-42 Remove the front-door assembly (1 of 2) ………………………………………………………………………..	193
Figure 6-43 Remove the front-door assembly (2 of 2) ………………………………………………………………………..	193
Figure 6-44 Remove the right-door assembly (1 of ………………………………………………………………………..	194
Figure 6-45 Remove the right-door assembly (2 of ………………………………………………………………………..	194
Figure 6-46 Remove the right-door assembly (3 of ………………………………………………………………………..	195
Figure 6-47 Remove the right-door assembly (4 of ………………………………………………………………………..	195
Figure 6-48 Remove the right-door assembly (5 of ………………………………………………………………………..	196
Figure 6-49 Remove the right-door assembly (6 of ………………………………………………………………………..	196
Figure 6-50 Remove the right-door assembly (7 of ………………………………………………………………………..	197
Figure 6-51 Remove the right-door assembly (8 of ………………………………………………………………………..	197
Figure 6-52 Remove the right-rear cover (1 of 3) ……………………………………………………………………………….	198
Figure 6-53 Remove the right-rear cover (2 of 3) ……………………………………………………………………………….	198
Figure 6-54 Remove the right-rear cover (3 of 3) ……………………………………………………………………………….	199
Figure 6-55 Remove the left cover (1 of 5) ………………………………………………………………………………………..	200
Figure 6-56 Remove the left cover (2 of 5) ………………………………………………………………………………………..	200
Figure 6-57 Remove the left cover (3 of 5) ………………………………………………………………………………………..	201
Figure 6-58 Remove the left cover (4 of 5) ………………………………………………………………………………………..	201
Figure 6-59 Remove the left cover (5 of 5) ………………………………………………………………………………………..	202
Figure 6-60 Remove the control-panel assembly (1 of 4) ……………………………………………………………………	203
Figure 6-61 Remove the control-panel assembly (2 of 4) ……………………………………………………………………	203
Figure 6-62 Remove the control-panel assembly (3 of 4) ……………………………………………………………………	204
Figure 6-63 Remove the control-panel assembly (4 of 4) ……………………………………………………………………	204
Figure 6-64 Remove the right-front cover (1 of 5) ………………………………………………………………………………	205
Figure 6-65 Remove the right-front cover (2 of 5) ………………………………………………………………………………	205
Figure 6-66 Remove the right-front cover (3 of 5) ………………………………………………………………………………	206
Figure 6-67 Remove the right-front cover (4 of 5) ………………………………………………………………………………	206
Figure 6-68 Remove the right-front cover (5 of 5) ………………………………………………………………………………	207
Figure 6-69 Reinstall the power button …………………………………………………………………………………………….	207
Figure 6-70 Remove the front-top cover (1 of 2) ………………………………………………………………………………..	208

Figure 6-71 Remove the front-top cover (2 of 2) ………………………………………………………………………………..	208
Figure 6-72 Remove the rear cover and upper-rear cover (1 of 4) ……………………………………………………….	209
Figure 6-73 Remove the rear cover and upper-rear cover (2 of 4) ……………………………………………………….	209
Figure 6-74 Remove the rear cover and upper-rear cover (3 of 4) ……………………………………………………….	210
Figure 6-75 Remove the rear cover and upper-rear cover (4 of 4) ……………………………………………………….	210
Figure 6-76 Remove the rear-top cover (1 of 2) …………………………………………………………………………………	211
Figure 6-77 Remove the rear-top cover (2 of 2) …………………………………………………………………………………	212
Figure 6-78 Remove the pickup roller (Tray 1) (1 of 2) ……………………………………………………………………….	213
Figure 6-79 Remove the pickup roller (Tray 1) (2 of 2) ……………………………………………………………………….	214
Figure 6-80 Remove the delivery fan, cartridge fan, and environmental sensor (1 of 9) ………………………….	215
Figure 6-81 Remove the delivery fan, cartridge fan, and environmental sensor (2 of 9) ………………………….	215
Figure 6-82 Remove the delivery fan, cartridge fan, and environmental sensor (3 of 9) ………………………….	216
Figure 6-83 Remove the delivery fan, cartridge fan, and environmental sensor (4 of 9) ………………………….	216
Figure 6-84 Remove the delivery fan, cartridge fan, and environmental sensor (5 of 9) ………………………….	217
Figure 6-85 Remove the delivery fan, cartridge fan, and environmental sensor (6 of 9) ………………………….	217
Figure 6-86 Remove the delivery fan, cartridge fan, and environmental sensor (7 of 9) ………………………….	218
Figure 6-87 Remove the delivery fan, cartridge fan, and environmental sensor (8 of 9) ………………………….	218
Figure 6-88 Remove the delivery fan, cartridge fan, and environmental sensor (9 of 9) ………………………….	219
Figure 6-89 Remove the toner-collection sensor (1 of 4) …………………………………………………………………….	220
Figure 6-90 Remove the toner-collection sensor (2 of 4) …………………………………………………………………….	220
Figure 6-91 Remove the toner-collection sensor (3 of 4) …………………………………………………………………….	221
Figure 6-92 Remove the toner-collection sensor (4 of 4) …………………………………………………………………….	221
Figure 6-93 Remove the residual-toner-feed motor (1 of 7) …………………………………………………………………	222
Figure 6-94 Remove the residual-toner-feed motor (2 of 7) …………………………………………………………………	223
Figure 6-95 Remove the residual-toner-feed motor (3 of 7) …………………………………………………………………	223
Figure 6-96 Remove the residual-toner-feed motor (4 of 7) …………………………………………………………………	224
Figure 6-97 Remove the residual-toner-feed motor (5 of 7) …………………………………………………………………	224
Figure 6-98 Remove the residual-toner-feed motor (6 of 7) …………………………………………………………………	225
Figure 6-99 Remove the residual-toner-feed motor (7 of 7) …………………………………………………………………	225
Figure 6-100 Reinstall the residual-toner collection door …………………………………………………………………….	226
Figure 6-101 Remove the RD sensor assembly (1 of 6) ……………………………………………………………………..	227
Figure 6-102 Remove the RD sensor assembly (2 of 6) ……………………………………………………………………..	227
Figure 6-103 Remove the RD sensor assembly (3 of 6) ……………………………………………………………………..	228
Figure 6-104 Remove the RD sensor assembly (4 of 6) ……………………………………………………………………..	228
Figure 6-105 Remove the RD sensor assembly (5 of 6) ……………………………………………………………………..	229
Figure 6-106 Remove the RD sensor assembly (6 of 6) ……………………………………………………………………..	229
Figure 6-107 Remove the power-supply fan (1 of 4) …………………………………………………………………………..	230
Figure 6-108 Remove the power-supply fan (2 of 4) …………………………………………………………………………..	231
Figure 6-109 Remove the power-supply fan (3 of 4) …………………………………………………………………………..	231
Figure 6-110 Remove the power-supply fan (4 of 4) …………………………………………………………………………..	232
Figure 6-111 Remove the registration assembly (1 of …………………………………………………………………….	233
Figure 6-112 Remove the registration assembly (2 of …………………………………………………………………….	234
Figure 6-113 Remove the registration assembly (3 of …………………………………………………………………….	234
Figure 6-114 Remove the registration assembly (4 of …………………………………………………………………….	235

Figure 6-115 Remove the registration assembly (5 of …………………………………………………………………….	235
Figure 6-116 Remove the registration assembly (6 of …………………………………………………………………….	236
Figure 6-117 Remove the registration assembly (7 of …………………………………………………………………….	236
Figure 6-118 Remove the registration assembly (8 of …………………………………………………………………….	237
Figure 6-119 Remove the ICB (1 of 3) ……………………………………………………………………………………………..	238
Figure 6-120 Remove the ICB (2 of 3) ……………………………………………………………………………………………..	239
Figure 6-121 Remove the ICB (3 of 3) ……………………………………………………………………………………………..	239
Figure 6-122 Remove the DC controller PCA and tray (1 of 4) …………………………………………………………….	240
Figure 6-123 Remove the DC controller PCA and tray (2 of 4) …………………………………………………………….	241
Figure 6-124 Remove the DC controller PCA and tray (3 of 4) …………………………………………………………….	241
Figure 6-125 Remove the DC controller PCA and tray (4 of 4) …………………………………………………………….	242
Figure 6-126 Remove the low-voltage power supply (1 of ……………………………………………………………….	243
Figure 6-127 Remove the low-voltage power supply (2 of ……………………………………………………………….	244
Figure 6-128 Remove the low-voltage power supply (3 of ……………………………………………………………….	244
Figure 6-129 Remove the low-voltage power supply (4 of ……………………………………………………………….	245
Figure 6-130 Remove the low-voltage power supply (5 of ……………………………………………………………….	245
Figure 6-131 Remove the low-voltage power supply (6 of ……………………………………………………………….	246
Figure 6-132 Remove the low-voltage power supply (7 of ……………………………………………………………….	246
Figure 6-133 Remove the low-voltage power supply (8 of ……………………………………………………………….	247
Figure 6-134 Remove the high-voltage power supply lower (1 of 4) ……………………………………………………..	248
Figure 6-135 Remove the high-voltage power supply lower (2 of 4) ……………………………………………………..	249
Figure 6-136 Remove the high-voltage power supply lower (3 of 4) ……………………………………………………..	249
Figure 6-137 Remove the high-voltage power supply lower (4 of 4) ……………………………………………………..	250
Figure 6-138 Reinstall the high-voltage power supply lower ………………………………………………………………..	250
Figure 6-139 Remove the developing-disengagement motor (1 of 2) ……………………………………………………	251
Figure 6-140 Remove the developing-disengagement motor (2 of 2) ……………………………………………………	252
Figure 6-141 Remove the pickup motor ……………………………………………………………………………………………	253
Figure 6-142 Remove the lifter-drive assembly (1 of 2) ………………………………………………………………………	254
Figure 6-143 Remove the lifter-drive assembly (2 of 2) ………………………………………………………………………	255
Figure 6-144 Remove the cassette-pickup drive assembly (1 of 10) …………………………………………………….	256
Figure 6-145 Remove the cassette-pickup drive assembly (2 of 10) …………………………………………………….	257
Figure 6-146 Remove the cassette-pickup drive assembly (3 of 10) …………………………………………………….	257
Figure 6-147 Remove the cassette-pickup drive assembly (4 of 10) …………………………………………………….	258
Figure 6-148 Remove the cassette-pickup drive assembly (5 of 10) …………………………………………………….	258
Figure 6-149 Remove the cassette-pickup drive assembly (6 of 10) …………………………………………………….	259
Figure 6-150 Remove the cassette-pickup drive assembly (7 of 10) …………………………………………………….	259
Figure 6-151 Remove the cassette-pickup drive assembly (8 of 10) …………………………………………………….	260
Figure 6-152 Remove the cassette-pickup drive assembly (9 of 10) …………………………………………………….	260
Figure 6-153 Remove the cassette-pickup drive assembly (10 of 10) …………………………………………………..	261
Figure 6-154 Reinstall the cassette-pickup drive assembly (1 of 3) ………………………………………………………	261
Figure 6-155 Reinstall the cassette-pickup drive assembly (2 of 3) ………………………………………………………	262
Figure 6-156 Reinstall the cassette-pickup drive assembly (3 of 3) ………………………………………………………	262
Figure 6-157 Remove the cassette-pickup assembly (1 of 3) ………………………………………………………………	263
Figure 6-158 Remove the cassette-pickup assembly (2 of 3) ………………………………………………………………	264

Figure 6-159 Remove the cassette-pickup assembly (3 of 3) ………………………………………………………………	264
Figure 6-160 Remove the laser/scanner assembly (Y/M) (1 of 12) ………………………………………………………	265
Figure 6-161 Remove the laser/scanner assembly (Y/M) (2 of 12) ………………………………………………………	266
Figure 6-162 Remove the laser/scanner assembly (Y/M) (3 of 12) ………………………………………………………	266
Figure 6-163 Remove the laser/scanner assembly (Y/M) (4 of 12) ………………………………………………………	267
Figure 6-164 Remove the laser/scanner assembly (Y/M) (5 of 12) ………………………………………………………	267
Figure 6-165 Remove the laser/scanner assembly (Y/M) (6 of 12) ………………………………………………………	268
Figure 6-166 Remove the laser/scanner assembly (Y/M) (7 of 12) ………………………………………………………	268
Figure 6-167 Remove the laser/scanner assembly (Y/M) (8 of 12) ………………………………………………………	269
Figure 6-168 Remove the laser/scanner assembly (Y/M) (9 of 12) ………………………………………………………	269
Figure 6-169 Remove the laser/scanner assembly (Y/M) (10 of 12) …………………………………………………….	270
Figure 6-170 Remove the laser/scanner assembly (Y/M) (11 of 12) …………………………………………………….	270
Figure 6-171 Remove the laser/scanner assembly (Y/M) (12 of 12) …………………………………………………….	271
Figure 6-172 Remove the laser/scanner assembly (C/Bk) (1 of 7) ……………………………………………………….	273
Figure 6-173 Remove the laser/scanner assembly (C/Bk) (2 of 7) ……………………………………………………….	273
Figure 6-174 Remove the laser/scanner assembly (C/Bk) (3 of 7) ……………………………………………………….	274
Figure 6-175 Remove the laser/scanner assembly (C/Bk) (4 of 7) ……………………………………………………….	274
Figure 6-176 Remove the laser/scanner assembly (C/Bk) (5 of 7) ……………………………………………………….	275
Figure 6-177 Remove the laser/scanner assembly (C/Bk) (6 of 7) ……………………………………………………….	275
Figure 6-178 Remove the laser/scanner assembly (C/Bk) (7 of 7) ……………………………………………………….	276
Figure 6-179 Reinstall the PGC actuators (1 of 5) ……………………………………………………………………………..	276
Figure 6-180 Reinstall the PGC actuators (2 of 5) ……………………………………………………………………………..	277
Figure 6-181 Reinstall the PGC actuators (3 of 5) ……………………………………………………………………………..	277
Figure 6-182 Reinstall the PGC actuators (4 of 5) ……………………………………………………………………………..	278
Figure 6-183 Reinstall the PGC actuators (5 of 5) ……………………………………………………………………………..	278
Figure 6-184 Remove the high-voltage power supply upper (1 of 5) …………………………………………………….	279
Figure 6-185 Remove the high-voltage power supply upper (2 of 5) …………………………………………………….	280
Figure 6-186 Remove the high-voltage power supply upper (3 of 5) …………………………………………………….	280
Figure 6-187 Remove the high-voltage power supply upper (4 of 5) …………………………………………………….	281
Figure 6-188 Remove the high-voltage power supply upper (5 of 5) …………………………………………………….	281
Figure 6-189 Reinstall the high-voltage power supply upper ……………………………………………………………….	282
Figure 6-190 Remove the drum motor 1 …………………………………………………………………………………………..	283
Figure 6-191 Remove the drum motor 2 or drum motor 3 ……………………………………………………………………	284
Figure 6-192 Remove the fuser motor ……………………………………………………………………………………………..	286
Figure 6-193 Remove the main-drive assembly (1 of 7) ……………………………………………………………………..	288
Figure 6-194 Remove the main-drive assembly (2 of 7) ……………………………………………………………………..	288
Figure 6-195 Remove the main-drive assembly (3 of 7) ……………………………………………………………………..	289
Figure 6-196 Remove the main-drive assembly (4 of 7) ……………………………………………………………………..	289
Figure 6-197 Remove the main-drive assembly (5 of 7) ……………………………………………………………………..	290
Figure 6-198 Remove the main-drive assembly (6 of 7) ……………………………………………………………………..	290
Figure 6-199 Remove the main-drive assembly (7 of 7) ……………………………………………………………………..	291
Figure 6-200 Reinstall the main-drive assembly (1 of 11) ……………………………………………………………………	292
Figure 6-201 Reinstall the main-drive assembly (2 of 11) ……………………………………………………………………	292
Figure 6-202 Reinstall the main-drive assembly (3 of 11) ……………………………………………………………………	293

Figure 6-203 Reinstall the main-drive assembly (4 of 11) ……………………………………………………………………	293
Figure 6-204 Reinstall the main-drive assembly (5 of 11) ……………………………………………………………………	294
Figure 6-205 Reinstall the main-drive assembly (6 of 11) ……………………………………………………………………	294
Figure 6-206 Reinstall the main-drive assembly (7 of 11) ……………………………………………………………………	295
Figure 6-207 Reinstall the main-drive assembly (8 of 11) ……………………………………………………………………	295
Figure 6-208 Reinstall the main-drive assembly (9 of 11) ……………………………………………………………………	296
Figure 6-209 Reinstall the main-drive assembly (10 of 11) ………………………………………………………………….	296
Figure 6-210 Reinstall the main-drive assembly (11 of 11) ………………………………………………………………….	297
Figure 6-211 Remove the fuser-drive assembly (1 of 6) ……………………………………………………………………..	299
Figure 6-212 Remove the fuser-drive assembly (2 of 6) ……………………………………………………………………..	299
Figure 6-213 Remove the fuser-drive assembly (3 of 6) ……………………………………………………………………..	300
Figure 6-214 Remove the fuser-drive assembly (4 of 6) ……………………………………………………………………..	300
Figure 6-215 Remove the fuser-drive assembly (5 of 6) ……………………………………………………………………..	301
Figure 6-216 Remove the fuser-drive assembly (6 of 6) ……………………………………………………………………..	301
Figure 6-217 Reinstall the fuser-drive assembly ………………………………………………………………………………..	302
Figure 6-218 Remove the delivery assembly (1 of 5) …………………………………………………………………………	304
Figure 6-219 Remove the delivery assembly (2 of 5) …………………………………………………………………………	304
Figure 6-220 Remove the delivery assembly (3 of 5) …………………………………………………………………………	305
Figure 6-221 Remove the delivery assembly (4 of 5) …………………………………………………………………………	305
Figure 6-222 Remove the delivery assembly (5 of 5) …………………………………………………………………………	306
Figure 6-223 Reinstall the delivery assembly (1 of 2) …………………………………………………………………………	307
Figure 6-224 Reinstall the delivery assembly (2 of 2) …………………………………………………………………………	307
Figure 6-225 Remove the duplex-drive assembly (1 of 2) …………………………………………………………………..	309
Figure 6-226 Remove the duplex-drive assembly (2 of 2) …………………………………………………………………..	309
Figure 6-227 Remove the drawer connector; optional paper feeder ……………………………………………………..	310
Figure 7-1 Diagnostic test (1 of 3) ……………………………………………………………………………………………………	322
Figure 7-2 Diagnostic test (2 of 3) ……………………………………………………………………………………………………	322
Figure 7-3 Diagnostic test (3 of 3) ……………………………………………………………………………………………………	323
Figure 7-4 Engine-test button ………………………………………………………………………………………………………….	324
Figure 7-5 Test the TOP sensor ………………………………………………………………………………………………………	326
Figure 7-6 Test the loop sensors ……………………………………………………………………………………………………..	326
Figure 7-7 Test the fuser delivery sensor (1 of 2) ………………………………………………………………………………	327
Figure 7-8 Test the fuser (fixing) delivery sensor (2 of 2) …………………………………………………………………….	327
Figure 7-9 Test the duplex re-pickup sensor ……………………………………………………………………………………..	328
Figure 7-10 Test the output-bin-full sensor ……………………………………………………………………………………….	329
Figure 7-11 Test the fuser (fixing) pressure-release sensor (1 of 2) ……………………………………………………..	329
Figure 7-12 Test the fuser (fixing) pressure-release sensor (2 of 2) ……………………………………………………..	330
Figure 7-13 Test the primary transfer-roller disengagement sensor (1 of 2) …………………………………………..	330
Figure 7-14 Test the primary transfer-roller disengagement sensor (2 of 2) …………………………………………..	331
Figure 7-15 Test the rightand front-door interlock switches (1 of 4) ……………………………………………………	332
Figure 7-16 Test the rightand front-door interlock switches (2 of 4) ……………………………………………………	332
Figure 7-17 Test the rightand front-door interlock switches (3 of 4) ……………………………………………………	333
Figure 7-18 Test the rightand front-door interlock switches (4 of 4) ……………………………………………………	333
Figure 7-19 Test the Tray 1 media-present sensor ……………………………………………………………………………	335

Figure 7-20 Test the tray 2 paper-out sensor ……………………………………………………………………………………	335
Figure 7-21 Test the Tray 2 closed sensor (1 of 2) …………………………………………………………………………….	336
Figure 7-22 Test the Tray 2 closed sensor (2 of 2) …………………………………………………………………………….	336
Figure 7-23 Test the Tray 2 stack-surface sensor ………………………………………………………………………………	337
Figure 7-24 Test the optional Tray 3-empty sensor ……………………………………………………………………………	337
Figure 7-25 Test the optional Tray 3 media-feed sensor ……………………………………………………………………	338
Figure 7-26 Test the optional Tray 3 stack-surface sensor …………………………………………………………………	339
Figure 7-27 Test the optional Tray 3 media-size sensors ……………………………………………………………………	339
Figure 7-28	Formatter PCA …………………………………………………………………………………………………………….	343
Figure 7-29 DC controller PCA ………………………………………………………………………………………………………..	344
Figure 7-30 Paper feeder driver PCA ………………………………………………………………………………………………	345
Figure 7-31 Component locations (1 of 5) …………………………………………………………………………………………	346
Figure 7-32 Component locations (2 of 5) …………………………………………………………………………………………	346
Figure 7-33 Component locations (3 of 5) …………………………………………………………………………………………	347
Figure 7-34 Component locations (4 of 5) …………………………………………………………………………………………	348
Figure 7-35 Component locations (5 of 5) …………………………………………………………………………………………	349
Figure 7-36 1 x 500 paper feeder …………………………………………………………………………………………………….	352
Figure 7-37	Sensors ……………………………………………………………………………………………………………………..	353
Figure 7-38 General timing chart ……………………………………………………………………………………………………..	355
Figure 7-39 General circuit diagram ………………………………………………………………………………………………..	356
Figure 7-40 Paper feeder circuit diagram ………………………………………………………………………………………….	357
Figure 7-41 Repetitive defects ruler …………………………………………………………………………………………………	358
Figure 7-42 Print-quality troubleshooting procedure …………………………………………………………………………..	360
Figure 7-43 Yellow print-quality troubleshooting page ………………………………………………………………………..	360
Figure 7-44 Yellow comparison page ……………………………………………………………………………………………….	361
Figure 7-45 Black print-quality troubleshooting page ………………………………………………………………………….	362
Figure 7-46	Configuration page ………………………………………………………………………………………………………	364
Figure 7-47 HP embedded Jetdirect page ………………………………………………………………………………………..	366
Figure 7-48 Embedded protocol page ……………………………………………………………………………………………..	367
Figure 7-49 Sample event log …………………………………………………………………………………………………………	396
Figure 7-50	Jam locations ………………………………………………………………………………………………………………	405
Figure 8-1 External covers, panels, and doors ………………………………………………………………………………….	454
Figure 8-2 Right door assembly ………………………………………………………………………………………………………	456
Figure 8-3 Internal components 1 of 5 ……………………………………………………………………………………………..	458
Figure 8-4 Internal components 2 of 5 ……………………………………………………………………………………………..	460
Figure 8-5 Internal components 3 of 5 ……………………………………………………………………………………………..	462
Figure 8-6 Internal components 4 of 5 ……………………………………………………………………………………………..	464
Figure 8-7 Internal components 5 of 5 ……………………………………………………………………………………………..	466
Figure 8-8	Cassette ……………………………………………………………………………………………………………………….	468
Figure 8-9 Cassette paper pickup assembly ……………………………………………………………………………………..	470
Figure 8-10 MP paper pickup assembly ……………………………………………………………………………………………	472
Figure 8-11	Registration assembly ………………………………………………………………………………………………….	474
Figure 8-12 Secondary transfer assembly ……………………………………………………………………………………….	476
Figure 8-13	Delivery assembly ……………………………………………………………………………………………………….	478

Figure 8-14 Fusing (fixing) assembly (1 of 2) …………………………………………………………………………………….	480
Figure 8-15 Fusing (fixing) assembly (2 of 2) …………………………………………………………………………………….	482
Figure 8-16	PCAs ………………………………………………………………………………………………………………………….	484
Figure 8-17 1 x 500 paper feeder …………………………………………………………………………………………………….	486
Figure 8-18	1 x 500 paper feeder …………………………………………………………………………………………………….	487
Figure 8-19	Paper feeder main body ……………………………………………………………………………………………….	489
Figure 8-20	Cassette …………………………………………………………………………………………………………………….	491

1 Product basics

●Product comparison

●Product features

●Product view

Product comparison

Model	Features
HP Color LaserJet CP3525	● 100-sheet multipurpose input tray (Tray 1)
	● 250-sheet input tray (Tray 2)
	● 250-sheet, face-down output bin
	● Hi-speed USB 2.0 port
	● 256 megabytes (MB) of random access memory (RAM)
HP Color LaserJet CP3525n	● 100-sheet multipurpose input tray (Tray 1)
	● 250-sheet input tray (Tray 2)
	● 250-sheet, face-down output bin
	● Hi-speed USB 2.0 port
	● HP Jetdirect embedded print server for connecting to a 10/100Base-TX network
	● 256 megabytes (MB) of random access memory (RAM)
HP Color LaserJet CP3525dn	● 100-sheet multipurpose input tray (Tray 1)
	● 250-sheet input tray (Tray 2)
	● 250-sheet, face-down output bin
	● Hi-speed USB 2.0 port
	● HP Jetdirect embedded print server for connecting to a 10/100Base-TX network
	● 384 megabytes (MB) of random access memory (RAM)
	● Automatic two-sided printing
HP Color LaserJet CP3525x	● 100-sheet multipurpose input tray (Tray 1)
	● 250-sheet input tray (Tray 2)
	● 250-sheet, face-down output bin
	● 500-sheet paper and heavy media tray (Tray 3), including HP postcard media insert
	for 101.6 x 152.4 mm (4 x 6 in) paper
	● Hi-speed USB 2.0 port
	● HP Jetdirect embedded print server for connecting to a 10/100Base-TX network
	● 512 megabytes (MB) of random access memory (RAM)
	● Automatic two-sided printing

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Product features

Speed and throughput	● Prints up to 30 pages per minute (ppm) on letter-size paper and 30 ppm on A4-size
	paper
	● As quick as 12 seconds to print the first page
	● Recommended maximum monthly print volume of 5,000 pages
	● A 515 megahertz (MHz) microprocessor

Resolution	● 600 dots per inch (dpi) with Image Resolution Enhancement technology 3600 for
	optimum overall imaging
	● 1200 x 600 dpi for detailed line work and small text

Memory	● HP Color LaserJet CP3525 and HP Color LaserJet CP3525n: 256 MB and of
	random-access memory (RAM), expandable to 1 gigabyte (GB) by adding into the
	open DIMM slot 200-pin small outline dual inline memory modules (DDR2
	SODIMM) that support 128 MB, 256 MB, 512 MB, or 1 GB of RAM.
	NOTE: If you install a 1 GB DIMM in the open slot, the total amount of memory
	available is 1 GB.
	● HP Color LaserJet CP3525dn: 384 MB of random-access memory (RAM),
	expandable to 1 gigabyte (GB) by replacing the original DIMM with 200-pin small
	outline dual inline memory modules (DDR2 SODIMM) that support 128 MB, 256 MB,
	512 MB, or 1 GB of RAM.
	NOTE: If you install a 1 GB DIMM, the total amount of memory available is 1 GB.
	For the HP Color LaserJet CP3525dn model, you must replace the original 128 MB
	DIMM with a 1 GB DIMM to increase memory to 1 GB.
	● HP Color LaserJet CP3525x: 512 MB of random-access memory (RAM),
	expandable to 1 gigabyte (GB) by replacing the original DIMM with 200-pin small
	outline dual inline memory modules (DDR2 SODIMM) that support 128 MB, 256 MB,
	512 MB, or 1 GB of RAM.
	NOTE: If you install a 1 GB DIMM, the total amount of memory available is 1 GB.
	For the HP Color LaserJet CP3525x model, you must replace one of the original
	256 MB DIMMs with a 1 GB DIMM to increase memory to 1 GB.
	● Memory Enhancement technology (MEt) automatically compresses data to use
	RAM more efficiently.

User interface	● Four-line color graphical display on the control panel
	● An embedded Web server to gain access to support and order supplies (for
	network-connected products)
	● HP Easy Printer Care software (a Web-based status and troubleshooting tool)
	● Internet-enabled supply-ordering capabilities through HP Easy Printer Care
	software and embedded Web server

Paper handling	● Tray 1 (multipurpose tray): A multipurpose tray for paper, transparencies, labels,
	envelopes, and other paper types. The tray holds up to 100 sheets of paper, 50
	transparencies, or 10 envelopes
	● Tray 2: 250-sheet tray.
	● Optional Tray 3: 500-sheet paper and heavy media tray, and an optional
	HP Postcard media insert. (Both are included with the HP Color LaserJet CP3525x
	printer.) Holds standard and custom-size paper. This tray automatically detects
	common paper sizes.

●Two-sided printing: The HP Color LaserJet CP3525dn printer and HP Color LaserJet CP3525x printer support automatic two-sided printing. The other models support manual two-sided printing.

●Standard output bin: The standard output bin is located on the top of the product. This bin can hold up to 250 sheets of paper. The product has a sensor that indicates when the bin is full.

For information about supported paper sizes, see Supported paper and print media sizes on page 44.

For information about supported paper types, see Supported paper and print media types on page 47.

Languages and fonts	●	HP Printer Control Language PCL 5, PCL 6, and HP postscript level 3 emulation
	●	Direct PDF
	● 80 scalable TrueType PS typefaces

Print cartridges	●	For information regarding print cartridges, see www.hp.com/go/
		learnaboutsupplies.
	● Authentic HP print cartridge detection
	● Automatic toner strip remover
	● This product uses the following consumable supplies:
		◦	Standard black print cartridge: CE250A
		◦	High-capacity black print cartridge: CE250X
		◦	Cyan print cartridge: CE251A
		◦	Yellow print cartridge: CE252A
		◦	Magenta print cartridge: CE253A
		◦	Toner collection unit: CE254A

Supported operating systems	●	Microsoft® Windows® 2000, Windows® XP, Windows Vista™, Windows® Server
		2003, and Windows® Server 2008
	● Macintosh OS X V10.3.9, V10.4, V10.5, and later
	●	Novell NetWare
	●	Unix®
	●	Linux

Connectivity	●	USB 2.0 connection
	● Host USB 2.0-like port for third-party connection
	● Local area network (LAN) connector (RJ-45) for the embedded HP Jetdirect print
		server (not included with the HP Color LaserJet CP3525 printer)
	● One enhanced input/output (EIO) slot

Environment	●	Sleep setting saves energy
	● High content of recyclable components and materials
	● Instant-on fuser saves energy

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Security	●	Secure Disk Erase
	●	Security lock (optional)
	●	Job retention
	● User PIN authentication for stored jobs
	●	IPsec security
	● HP encrypted High Performance EIO hard drive (optional)

Self-help	●	Show-me-how pages that you can print from the control panel

● Job aids for specific tasks available from www.hp.com/support/cljcp3525.

● Animations and help on the control panel

● Animations on the CD

Product view

Front view

1	Output-bin extension

2	Standard output bin

3	Duplex switchback guide (HP Color LaserJet CP3525dn printer and HP Color LaserJet CP3525x printer only)

4	Control panel

5	Right door (access for clearing jams)

6	Tray 1 (pull the handle to open the tray)

7	Power button (illuminates when turned on)

8	Lower-right door (access for clearing jams)

9	Tray 2

10	Optional Tray 3 (included with the HP Color LaserJet CP3525x printer)

11	Front door (access to print cartridges and toner collection unit)

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Back view

1Slot for a cable-type security lock

2Interface ports

3Power connection

Interface ports

1EIO interface expansion slot

2RJ-45 network port (not activated with the HP Color LaserJet CP3525 printer)

3Hi-speed USB 2.0 printing port

Serial number and model number location

The model number and serial number are listed on an identification label located on the back of the product. The serial number contains information about the country/region of origin, the product version, production code, and the production number of the product.

Model name	Model number

HP Color LaserJet CP3525	CC468A

HP Color LaserJet CP3525n	CC469A

HP Color LaserJet CP3525dn	CC470A

HP Color LaserJet CP3525x	CC471A

8 Chapter 1 Product basics

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2 Control panel

●Use the control panel

●Control panel menus

●Menu hierarchy

●Show Me How menu

●Retrieve job menu

●Information menu

●Paper handling menu

●Configure device menu

●Diagnostics menu

●Service menu

Use the control panel

The control panel has a color, graphical and text display that provides access to all product functions. Use the buttons to control jobs and the product status. The lights indicate overall product status.

Control-panel layout

The control panel includes a color, graphical and text display, job-control buttons, and three light-emitting diode (LED) status lights.

Control panel display

Shows status information, menus, help information, and error messages.

Up arrow button

Navigates menus and text, and increases the values of numerical items in

the display.

OK button

Makes selections, resumes printing after continuable errors, and overrides

a non-HP print cartridge.

Ready light

The Ready light indicates that the product is ready to begin processing any

job.

Data light

The Data light indicates that the product is receiving data.

Attention light

The Attention light indicates that the product has a condition that requires

intervention. Examples include an empty paper tray or an error message

on the display.

Down arrow button

Navigates menus and text, and decreases the values of numerical items in

the display.

Opens and closes menus.

Menu button

Back arrow button

Navigates backward in nested menus.

Stop button

Halts the current job, presents a choice to resume or cancel the current job,

clears paper from the product, and clears any continuable errors that are

associated with the halted job. If the product is not printing a job, pressing

Stop pauses the product.

Help button

Provides detailed information, including animations, about product

messages or menus.

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Interpreting control panel indicator lights

Indicator	On	Off	Flashing

Ready	Product is online (able to	Product is offline or is turned	Product is attempting to stop
(green)	accept and process data).	off.	printing and go offline.


Data	Processed data is present in	Product is not processing or	Product is processing and
(green)	the product, but more data is	receiving data.	receiving data.
needed to complete the job.

Attention	A critical error has occurred.	No conditions exist that	An error has occurred.
(amber)	Product requires attention.	require attention.	Product requires attention.

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Control panel menus

You can perform most routine printing tasks from the computer through the printer driver or software application. This is the most convenient way to control the product, and will override the product controlpanel settings.

You can also control the product by changing settings in the product’s control panel. Use the control panel to access features not supported by the printer driver or software application, and to configure trays for paper size and type.

Use the menus

●Enter and exit the menus by pressing the Menu button .

●Select a menu item by using the OK button as well as select numerical values when configuring the product.

●Use the up or down arrows to navigate through the menus. In addition to menu navigation, the up and down arrows can increase and decrease numerical value selections. Hold down the up or down arrows to scroll faster.

●The back button allows you to move back in menu selections.

●If no key is pressed for 60 seconds, the product exits the menus.

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Menu hierarchy

The following top-level menus are available:

●SHOW ME HOW. See Show Me How menu on page 14 for more information.

●RETRIEVE JOB. See Retrieve job menu on page 15 for more information.

●INFORMATION. See Information menu on page 17 for more information.

●PAPER HANDLING. See Paper handling menu on page 18 for more information.

●CONFIGURE DEVICE. See Configure device menu on page 19 for more information.

●DIAGNOSTICS. See Diagnostics menu on page 40 for more information.

●SERVICE. See Service menu on page 42 for more information.

Show Me How menu

The SHOW ME HOW menu prints pages that provide more information about the product.

To display: Press the Menu button		, and then select the SHOW ME HOW menu.






Item	Explanation

CLEAR JAMS	Provides instructions for clearing jams on the product.

LOAD TRAYS	Provides instructions for loading and configuring trays.

LOAD SPECIAL MEDIA	Provides instructions for loading special print media such as envelopes,
		transparencies, and labels.

PRINT BOTH SIDES	Provides instructions for printing on both sides of the paper (duplex printing).

SUPPORTED PAPER	Provides a list of the supported paper and print media.

PRINT HELP GUIDE	Prints a page that shows links to additional help on the Web.

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Retrieve job menu

The RETRIEVE JOB menu allows you to view listings of all stored jobs.

To display: Press the Menu button , and then select the RETRIEVE JOB menu.

NOTE: Values that have an asterisk (*) are the factory-default values. Some menu items have no default.

Item	Sub-item	Options	Description

<USER NAME>			Each user who has stored jobs is
			listed by name. Select the
			appropriate user name to see a list of
			stored jobs.

	ALL JOBS (NO PIN)	PRINT	This message is displayed if a user
		PRINT AND DELETE	has two or more stored jobs that do
		not require a PIN.
		DELETE	Either the PRINT option or the PRINT
			AND DELETE option displays,
			depending on the type of jobs listed.
			Use the COPIES option to specify he
			number of copies of the job to be
			printed.

	ALL JOBS (WITH	PRINT	This message is displayed if a user
	PIN)	PRINT AND DELETE	has two or more stored jobs that
		require a PIN.
		DELETE	Either the PRINT option or the PRINT
			AND DELETE option displays,
			depending on the type of jobs listed.
			Use the COPIES option to specify he
			number of copies of the job to be
			printed.

	<JOB NAME X>	PRINT	Each job is listed by name.
		PRINT AND DELETE	Either the PRINT option or the PRINT
		DELETE	AND DELETE option displays,
		depending on the type of jobs listed.
			Use the COPIES option to specify the
			number of copies of the job to be
			printed.

		COPIES	Specifies the number of copies of the
			job to be printed. The default is 1.
			If you select the JOB option, the
			number of copies specified in the
			driver are printed.
			If you select the CUSTOM menu,
			another setting displays where you
			can specify the number of copies of
			the job to be printed. The number of
			copies that were specified in the
			driver are multiplied by the number of
			copies specified on the control panel.
			For example, if you specified two

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Item	Sub-item	Options	Description

copies in the driver and specify two copies on the control panel, a total of four copies of the job are printed.

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Information menu

Use the INFORMATION menu to access and print specific product information.

To display: Press the Menu button , and then select the INFORMATION menu.

Item	Description

PRINT MENU MAP	Prints the control-panel menu map, which shows the layout and current
	settings of the control-panel menu items.

PRINT CONFIGURATION	Prints the product configuration pages, which show the printer settings and
	installed accessories.

PRINT SUPPLIES STATUS PAGE	Prints the approximate remaining life for the supplies; reports statistics on
	total number of pages and jobs processed, serial number, page counts, and
	maintenance information.
	HP provides approximations of the remaining life for the supplies as a
	customer convenience. The actual remaining supply levels might be different
	than the approximations provided.

SUPPLIES STATUS	Displays the approximate status of the print cartridges, fuser kit, and toner-
	collection unit in a scrollable list. For each item, press the OK button to open
	help for the item.

PRINT USAGE PAGE	Prints a count of all paper sizes that have passed through the product; lists
	whether they were simplex, duplex, monochrome, or color; and reports the
	page count.

PRINT COLOR USAGE JOB LOG	Prints the color-use statistics for the printer.

PRINT DEMO	Prints a demonstration page.

PRINT RGB SAMPLES	Prints color samples for different RGB values. Use the samples as a guide
	for matching printed colors.

PRINT CMYK SAMPLES	Prints color samples for different CMYK values. Use the samples as a guide
	for matching printed colors.

PRINT FILE DIRECTORY	Prints the name and directory of files stored in the product.

PRINT PCL FONT LIST	Prints the available PCL fonts.

PRINT PS FONT LIST	Prints the available PS fonts.

Paper handling menu

Use this menu to configure input trays by size and type. It is important to correctly configure the trays with this menu before you print for the first time.

To display: Press the Menu button , and then select the PAPER HANDLING menu.

NOTE: If you have used other HP LaserJet product models, you might be accustomed to configuring Tray 1 to First mode or Cassette mode. On HP Color LaserJet CP3525 Series printers, setting Tray 1 to ANY SIZE and ANY TYPE is equivalent to First mode. Setting Tray 1 to a setting other than ANY SIZE or ANY TYPE is equivalent to Cassette mode.

Menu item	Value	Description

TRAY 1 SIZE	A list of available sizes appears.	Allows you to configure the paper size for
		Tray 1. The default is ANY SIZE. See
		Supported paper and print media sizes
		on page 44 for a complete list of available
		sizes.

TRAY 1 TYPE	A list of available types appears.	Allows you to configure the paper type for
		Tray 1. The default is ANY TYPE. See
		Supported paper and print media types
		on page 47 for a complete list of available
		types.

TRAY <X> SIZE	A list of available sizes appears.	Allows you to configure the paper size for
X = 2 or optional 3		Tray 2 or optional Tray 3. The default size
	is LETTER or A4, depending on your
		country/region. Tray 2 does not detect the
		paper size by the guides in the tray. Tray 3
		detects some paper sizes by the guides in
		the tray. See Supported paper and print
		media sizes on page 44 for a complete list
		of available sizes.

TRAY <X> TYPE

A list of available types appears.

X = 2 or optional 3

Allows you to configure the paper type for Tray 2 or optional Tray 3. The default is PLAIN. See Supported paper and print media types on page 47 for a complete list of available types.

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Configure device menu

The CONFIGURE DEVICE menu allows you to change the default printing settings, adjust the print quality, change the system configuration and I/O options, and reset the default settings.

Printing menu

These settings affect only jobs without identified properties. Most jobs identify all of the properties and override the values set from this menu.

To display: Press the Menu button , select the CONFIGURE DEVICE menu, and then select the

PRINTING menu.

NOTE: Values that have an asterisk (*) are the factory-default values. Some menu items have no default.

Menu item	Values	Description

COPIES	Range: 1 — 32000	Allows you to set the default number of
			copies for print jobs. The default number is
			1.

DEFAULT PAPER SIZE	A list of available sizes appears.	Allows you to set the default paper size.

DEFAULT CUSTOM PAPER SIZE	●	UNIT OF MEASURE	Allows you to set the default size for any
	●	X DIMENSION	custom print job. The default unit of
	measure is MILLIMETERS.
	●	Y DIMENSION

DUPLEX	OFF*	Allows you to enable or disable two-sided
	ON		printing.
		NOTE: This menu is available only on the

			HP Color LaserJet CP3525dn printer and
			the HP Color LaserJet CP3525x printer

DUPLEX BINDING	LONG EDGE*	Allows you to change the binding edge for
	SHORT EDGE	two-sided printing.
	NOTE: This menu is available only on the

			HP Color LaserJet CP3525dn printer and
			the HP Color LaserJet CP3525x printer

OVERRIDE A4/LETTER	NO		Allows you to set the product to print an A4
	YES*	job on letter-size paper when no A4 paper
	is loaded.

MANUAL FEED	OFF*	Setting this option to ON makes MANUAL
	ON		FEED the default for jobs that do not select
		a tray.

COURIER FONT	REGULAR*	Allows you to select a version of the Courier

font.

DARK

The DARK setting is an internal Courier font available on HP LaserJet Series III printers and older.

Allows you to change the printable area of A4 paper. If you select NO, the printable area is seventy-eight 10-pitch characters on a single line. If you select YES, the

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Menu item	Values	Description

		printable area is eighty 10-pitch characters
		on a single line.

PRINT PS ERRORS	OFF*	Allows you to select to print PS error pages.
	ON

PRINT PDF ERRORS	OFF*	Allows you to select to print PDF error
	ON	pages.

PCL sub-menu

This menu configures settings for the printer control language.

To display: Press the Menu button , select the CONFIGURE DEVICE menu, select the PRINTING menu, and then select the PCL menu.

NOTE: Values that have an asterisk (*) are the factory-default values. Some menu items have no default.

Item	Values	Description

FORM LENGTH		Sets vertical spacing from 5 to 128 lines for default paper
		size. The default is 60.

ORIENTATION	PORTRAIT*	Allows you to set the default page orientation to portrait or
	LANDSCAPE	landscape.


FONT SOURCE	A list of available font sources	Selects the font source. The default is INTERNAL.
	displays.

FONT NUMBER		The product assigns a number to each font and lists the
		numbers on the PCL font list. The range is 0 to 102. The
		default is 0.

FONT PITCH		Selects the font pitch. This item might not appear, depending
		on the font selected. The range is 0.44 to 99.99. The default
		is 10.00.

FONT POINT SIZE		Selects the font point size. The range is 4.00 to 999.75. The
		default is 12.00.

SYMBOL SET	A list of available symbol sets	Selects any one of several available symbol sets at the
	displays.	product control panel. A symbol set is a unique grouping of
		all the characters in a font. PC-8 or PC-850 is recommended
		for line-draw characters. The default is PC-8.

Select YES to append a carriage return to each line-feed that is encountered in backward-compatible PCL jobs (pure text, no job control). Some environments indicate a new line by only the line-feed control code. Use this option to append the required carriage return to each line feed.

SUPPRESS BLANK PAGES NO*	When generating your own PCL, extra form feeds are
YES	included that would cause a blank page to be printed. Select
YES for form feeds to be ignored if the page is blank.

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Item	Values	Description

MEDIA SOURCE MAPPING		The PCL5 MEDIA SOURCE MAPPING command selects an
		input tray by a number that maps to the various available
		trays and feeders.

	STANDARD*	The numbering is based on newer HP LaserJet printers with
		updated changes to the numbering of trays and feeders.

	CLASSIC	The numbering is based on HP LaserJet 4 printers and earlier
		models.

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Print Quality menu

To display: Press the Menu button , select the CONFIGURE DEVICE menu, and then select the

PRINT QUALITY menu.

NOTE: Values that have an asterisk (*) are the factory-default values. Some menu items have no default.

Item	Sub-item	Values	Description

ADJUST COLOR	HIGHLIGHTS	Range from +5 to –5.	Adjust the darkness or lightness of highlights on a
	●	CYAN DENSITY	Default is 0.	printed page. Lower values represent lighter
		highlights on a printed page, and higher values
	●	MAGENTA DENSITY		represent darker highlights on a printed page.

	●	YELLOW DENSITY
	●	BLACK DENSITY

MIDTONES	Range from +5 to –5.
	Default is 0.

●CYAN DENSITY

●MAGENTA DENSITY

●YELLOW DENSITY

●BLACK DENSITY

Adjust the darkness or lightness of midtones on a printed page. Lower values represent lighter midtones on a printed page, and higher values represent darker midtones on a printed page.

SHADOWS	Range from +5 to –5.
	Default is 0.

●CYAN DENSITY

●MAGENTA DENSITY

●YELLOW DENSITY

●BLACK DENSITY

Adjust the darkness or lightness of shadows on a printed page. Lower values represent lighter shadows on a printed page, and higher values represent darker shadows on a printed page.

RESTORE COLOR VALUES		Restore the color settings by resetting the density
		values of each color.

SET REGISTRATION		For each tray, setting the registration shifts the
		margin alignment to center the image on the page
		from top to bottom and from left to right. You can
		also align the image on the front with the image
		printed on the back.

ADJUST TRAY <X>	Shift from -20 to 20	Perform the alignment procedure for each tray.
	along the X or Y axes. 0	When it creates an image, the product scans
	is the default.
		across the page from side to side as the sheet
		feeds from top to bottom into the product.

	PRINT TEST PAGE	Print a test page for setting the registration.

	X1 SHIFT	The scan direction is referred to as X. X1 is the
	Y1 SHIFT	scan direction for a single-sided page or for the first
	side of a two-sided page. X2 is the scan direction
	X2 SHIFT	for the second side of a two-sided page.
	The feed direction is referred to as Y. Y1 is the feed
	Y2 SHIFT
	direction for a single-sided page or for the first side
		of a two-sided page. Y2 is the feed direction for the
		second side of a two-sided page.

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