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HP CP3525dn Service Manual - Page 36

Interface ports, Serial number and model number location, production code - color laserjet cp3525n printer

UPC - 883585891948

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Interface ports 1 2 3 1 EIO interface expansion slot 2 RJ-45 network port (not activated with the HP Color LaserJet CP3525 printer) 3 Hi-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 HP Color LaserJet CP3525 HP Color LaserJet CP3525n HP Color LaserJet CP3525dn HP Color LaserJet CP3525x Model number CC468A CC469A CC470A CC471A 8 Chapter 1 Product basics ENWW

Section	Page
Product basics	29
Product comparison	30
Product features	31
Product view	34
Front view	34
Back view	35
Interface ports	36
Serial number and model number location	36
Control panel	37
Use the control panel	38
Control-panel layout	38
Interpreting control panel indicator lights	39
Control panel menus	40
Use the menus	40
Menu hierarchy	41
Show Me How menu	42
Retrieve job menu	43
Information menu	45
Paper handling menu	46
Configure device menu	47
Printing menu	47
PCL sub-menu	48
Print Quality menu	50
System setup menu	53
I/O menu	60
Resets menu	67
Diagnostics menu	68
Service menu	70
Paper and print media	71
Supported paper and print media sizes	72
Custom paper sizes	74
Supported paper and print media types	75
Tray and bin capacity	76
Special paper or print media guidelines	77
Load trays	78
Paper orientation for loading trays	78
Tray 1	78
Tray 2 or optional Tray 3	80
Load Tray 1	81
Print envelopes	83
Load Tray 2	83
Load the optional 500-sheet paper and heavy media tray (Tray 3)	85
Load standard-sized paper into Tray 3	85
Load custom-size paper into Tray 3	87
Load 4 x 6 inch (10 x 15 cm) size paper into Tray 3	89
Configure trays	93
Configure a tray when loading paper	93
Configure a tray to match print job settings	93
Configure a tray by using the Paper Handling menu	94
Automatic overhead transparency sensing (auto sense mode)	94
Auto-sense settings	94
Select the media by source, type, or size	95
Source	95
Type and Size	95
Manage and maintain the product	97
Information pages	98
HP Easy Printer Care	99
Open the HP Easy Printer Care software	99
HP Easy Printer Care software sections	99
Embedded Web server	102
Open the embedded Web server by using a network connection	102
Embedded Web server sections	103
Use HP Web Jetadmin software	105
Security features	106
Secure the embedded Web server	106
Secure Disk Erase (optional EIO hard drive)	106
Data affected	106
Additional Information	107
Job storage	107
HP Encrypted High Performance Hard Disks	107
Lock the control-panel menus	107
Lock the formatter cage	108
Manage supplies	109
Print-cartridge storage	109
HP policy on non-HP print cartridges	109
HP fraud hotline and Web site	109
Replace supplies	109
Supplies life	109
Locate supplies	109
Supply replacement guidelines	110
Change print cartridges	111
Change the toner collection unit	114
Install memory	117
Install DDR2 memory DIMMs	117
Enable memory for Windows	120
Install an HP Jetdirect or EIO print server card or EIO hard disk	120
Clean the product	124
Clean the exterior	124
Clean spilled toner	124
Clean the fuser	124
Product updates	125
Determine the current firmware version	125
Download new firmware from the HP Web site	125
Transfer the new firmware to the product	125
Use the HP Easy Firmware Upgrade utility to update the firmware	125
Use FTP to upload the firmware through a browser	126
Use FTP to upgrade the firmware on a network connection	127
Use HP Web Jetadmin to upgrade the firmware	127
Use Microsoft Windows commands to upgrade the firmware	128
Upgrade the HP Jetdirect firmware	128
Theory of operation	131
Basic operation	132
Sequence of operation	132
Engine-control system	134
DC controller	135
Solenoids	135
Clutches	136
Switches	136
Sensors	137
Motors and fans	137
High-voltage power supply	139
Low-voltage power supply	141
Overcurrent/overvoltage protection	142
Safety	142
Voltage detection	142
Sleep (powersave) mode	142
Low-voltage power supply failure	142
Fuser (fixing) control	143
Fuser (fixing) temperature-control circuit	144
Fuser (fixing) over-temperature protection	145
Fuser (fixing)-failure detection	145
Laser/scanner system	147
Image-formation system	149
Image-formation process	150
Step 1: Pre-exposure	151
Step 2: Primary charging	151
Step 3: Laser-beam exposure	152
Step 4: Development	152
Step 5: Primary transfer	152
Step 6: Secondary transfer	153
Step 7: Separation	154
Step 8: Fusing	154
Step 9: ITB cleaning	155
Step 10: Drum cleaning	155
Print cartridge	155
Developing-roller engagement and disengagement	157
Intermediate transfer belt (ITB) unit	158
Primary-transfer-roller engagement and disengagement	159
ITB cleaning	160
Calibration	161
Color-misregistration control	162
Image-stabilization control	163
Pickup, feed, and delivery system	164
Pickup-and-feed unit	167
Cassette pickup	168
Cassette-presence detection	169
Cassette lift operation	169
Cassette paper-presence detection	171
Multifeed prevention	171
Multipurpose tray pickup	172
Paper feed	173
Skew-feed prevention	174
OHT detection	174
Fusing and delivery unit	175
Loop control	175
Pressure-roller pressurization control	177
Duplexing unit (HP Color LaserJet CP3525dn and HP Color LaserJet CP3525x only)	178
Duplexing reverse and feed control	179
Duplex pickup operation	179
Jam detection	180
Optional paper feeder	182
Paper-feeder pickup and feed operation	184
Paper-size detection and cassette-presence detection	185
Paper-feeder cassette lift operation	186
Paper-feeder presence detection	187
Paper-feeder multiple feed prevention	188
Paper feeder jam detection	189
Removal and replacement	191
Introduction	192
Removal and replacement strategy	192
Electrostatic discharge	192
Required tools	193
Before performing service	193
After performing service	194
Post-service test	194
Print-quality test	194
DC controller connector locations	195
Parts removal order	196
Customer self repair (CSR) components	198
Print cartridges	198
Duplex-reverse guide	200
Toner-collection unit	201
Formatter PCA	203
Memory DIMM	204
Remove the memory DIMM	204
Enable memory for Windows	205
Tray cassette	206
Fuser	207
Pickup roller (Tray 2)	208
Pickup and feed rollers (Tray 3)	210
Separation roller (Tray 2)	211
Secondary transfer roller	212
Reinstall the transfer roller	213
Secondary transfer assembly	214
Reinstall the secondary transfer assembly	215
Intermediate transfer belt (ITB)	216
Right door (optional paper feeder)	218
External panels, covers, and doors	220
Identification and location	220
Front-door assembly	221
Right-door assembly	222
Right-rear cover	226
Left cover	228
Control-panel assembly	231
Right-front cover	233
Remove the right-front cover	233
Reinstall the power button	235
Front-top cover	236
Remove the front-top cover	236
Rear cover and upper-rear cover	237
Remove the rear cover and upper-rear cover	237
Rear-top cover	239
Remove the rear-top cover	239
Internal assemblies	241
Pickup roller (Tray 1)	241
Delivery fan, cartridge fan, and environmental sensor	243
Remove the delivery fan, cartridge fan, and environmental sensor	243
Toner-collection sensor	248
Remove the toner-collection sensor	248
Residual-toner-feed motor	250
Remove the residual-toner-feed motor	250
Reinstall the residual-toner collection door	254
Registration density (RD) sensor assembly	255
Remove the RD sensor assembly	255
Power-supply fan and fan duct	258
Remove the power-supply fan and fan duct	258
Registration assembly	261
Remove the registration assembly	261
Interconnect board (ICB)	266
Remove the ICB	266
DC controller PCA and tray	268
Remove the DC controller PCA	268
Low-voltage power supply	271
Remove the low-voltage power supply	271
High-voltage power supply lower (HVPS-D)	276
Remove the high-voltage power supply lower	276
Reinstall the high-voltage power supply lower	278
Developing-disengagement motor	279
Remove the developing-disengagement motor	279
Pickup motor	281
Remove the pickup motor	281
Lifter-drive assembly	282
Remove the lifter-drive assembly	282
Cassette-pickup drive assembly	284
Remove the cassette-pickup drive assembly	284
Reinstall the cassette-pickup drive assembly	289
Cassette-pickup assembly	291
Remove the cassette-pickup assembly	291
Laser/scanner assembly (Y/M)	293
Remove the laser/scanner assembly (Y/M)	293
Laser/scanner assembly (C/Bk)	300
Remove the laser/scanner assembly (C/Bk)	301
Reinstall the protective glass cleaner (PGC) actuators	304
High-voltage power supply upper (HVPS-T)	307
Remove the high-voltage power supply upper	307
Reinstall the high-voltage power supply upper	310
Drum motor 1	311
Remove the drum motor 1	311
Drum motor 2 or drum motor 3	312
Remove the drum motor 2 or drum motor 3	312
Fuser motor	313
Remove the fuser motor	314
Main-drive assembly	315
Remove the main-drive assembly	316
Reinstall the main-drive assembly	320
Fuser-drive assembly	326
Remove the fuser-drive assembly	327
Reinstall the fuser-drive assembly	330
Delivery assembly	331
Remove the delivery assembly	332
Reinstall the delivery assembly	335
Duplex-drive assembly	336
Remove the duplex-drive assembly	337
Optional paper feeder assembly (Tray 3)	338
Drawer connector	338
Solve problems	339
Solve problems checklist	340
Menu map	342
Troubleshooting process	343
Determine the problem source	343
Pre-troubleshooting checklist	343
Troubleshooting flowchart	344
Power subsystem	345
Power-on checks	345
Power-on troubleshooting overview	345
Tools for troubleshooting	347
Individual component diagnostics	347
LED diagnostics	347
Understand lights on the formatter	347
HP Jetdirect LEDs	347
Heartbeat LED	348
Engine diagnostics	348
Diagnostics menu	348
Diagnostics mode	349
Diagnostics that put the engine into the special diagnostics mode	349
Defeating interlocks	349
Disable cartridge check	351
Engine-test button	351
Paper-path test	352
Manual sensor test (special-mode test)	353
A TOP (top of page) sensor	353
B and C loop sensors	354
D fuser (fixing) delivery sensor	355
E duplex re-pickup sensor	356
F output bin full sensor	356
H fuser (fixing) pressure-release sensor	357
I primary transfer-roller disengagement sensor	358
K right and front door interlock switches	360
Manual sensor test 2 (special-mode test)	362
L Tray 1 media present sensor	362
M Tray 2 paper out sensor	363
N Tray 2 closed sensor	364
O Tray 2 stack-surface sensor	364
P optional Tray 3-empty sensor	365
Q optional Tray 3 media-feed sensor (Q)	366
R optional Tray 3 stack-surface sensor (R)	366
S, T, and U optional Tray 3 media-size sensors	367
Paper-path sensors test	368
Print/stop test	368
Component tests	369
Component test (special-mode test)	369
Diagrams	371
Formatter PCA	371
Location of connectors	372
DC controller PCA	372
Paper feeder driver PCA	373
PCAs, motors, fans, switches, solenoids, and clutches	373
Base product	374
1 x 500 paper feeder	380
Sensors	381
General timing chart	383
Circuit diagrams	384
Print-quality troubleshooting tools	386
Repetitive defects ruler	386
Calibrate the product	387
Internal print-quality test pages	387
Print-quality-troubleshooting pages	387
Diagnostics page	390
Cleaning page	391
Configuration page	392
Configuration page	392
HP embedded Jetdirect page	394
Embedded protocol page	395
Finding important information on the configuration pages	396
Color-band test	396
Control-panel messages table	397
Event log messages	423
Print an event log	423
Show an event log	423
Sample event log	424
Clear the event log	424
Event log message table	425
Clear paper jams	432
Common causes of jams	432
Jam locations	433
Clear jams	433
Clear jams in the right door	434
Clear jams in the output bin area	438
Clear jams in Tray 1	439
Clear jams in Tray 2	441
Clear jams in the optional 500-sheet paper and heavy media tray (Tray 3)	442
Clear jams in the lower right door (Tray 3)	442
Jam causes and solutions	443
Jams in the output bin	443
Jams in the fuser and transfer area	444
Jams in the duplex area (HP Color LaserJet CP3525dn and HP Color LaserJet CP3525x only)	447
Jams in Tray 1, Tray 2 and internal paper path	449
Jams in Tray 3	451
Change jam recovery	452
Solve paper-handling problems	453
Product feeds multiple sheets	453
Product feeds incorrect page size	453
Product pulls from incorrect tray	453
Paper does not feed automatically	454
Paper does not feed from Tray 2 or 3	454
Transparencies or glossy paper will not feed	455
Envelopes jam or will not feed in the product	455
Output is curled or wrinkled	456
Product will not duplex or duplexes incorrectly	456
Use manual print modes	458
Solve image-quality problems	460
Image defects table	460
Solve performance problems	466
Solve connectivity problems	467
Solve direct-connect problems	467
Solve network problems	467
Service mode functions	469
Service menu	469
Product resets	470
Restore factory-set defaults	470
Hard disk initialization (optional)	471
NVRAM initialization	471
Product cold reset	471
Parts and diagrams	473
Order parts, accessories, and supplies	474
Part numbers	475
Accessories	475
Print cartridges and toner collection unit	475
Memory	475
Cables and interfaces	476
Customer self repair (CSR) parts	476
Maintenance kits	478
Screws	479
How to use the parts lists and diagrams	480
External covers, panels, and doors	482
Right door assembly	484
Internal components	486
Internal components (1 of 5)	486
Internal components (2 of 5)	488
Internal components (3 of 5)	490
Internal components (4 of 5)	492
Internal components (5 of 5)	494
Cassette	496
Cassette paper pickup assembly	498
MP paper pickup assembly	500
Registration assembly	502
Secondary transfer assembly	504
Delivery assembly	506
Fusing (fixing) assembly	508
PCAs	512
Assessories	514
1 x 500 paper feeder	514
1 x 500 paper feeder	515
Paper feeder main body	517
Cassette	519
Alphabetical parts list	521
Numerical parts list	528
Service and support	535
Hewlett-Packard limited warranty statement	536
HP's Premium Protection Warranty: LaserJet print cartridge limited warranty statement	537
HP Color LaserJet Fuser Kit Limited Warranty Statement	538
End User License Agreement	539
Customer self-repair warranty service	541
Customer support	542
Product specifications	543
Physical specifications	544
Performance specifications	544
Electrical specifications	544
Acoustic specifications	545
Environmental specifications	545
Paper and print media specifications	545
Skew specifications	545
Regulatory information	547
FCC regulations	548
Declaration of Conformity	549
Certificate of volatility	550
Safety statements	551
Laser safety	551
Canadian DOC regulations	551
VCCI statement (Japan)	551
Power cord statement (Japan)	551
EMC statement (Korea)	551
Laser statement for Finland	551
Substances Table (China)	552