HP Color LaserJet Enterprise CM4540 MFP Series Service Manual ENWW Laser Jet
User Manual: HP Color LaserJet Enterprise CM4540 MFP shared.swissparts.ch - /Manuals/HP/LaserJet/Color Laserjet/
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COLOR LASERJET ENTERPRISE CM4540
MFP SERIES
Service Manual
HP Color LaserJet Enterprise CM4540
MFP Series
Service Manual
Copyright and License
Trademark Credits
© 2010 Copyright Hewlett-Packard
Development Company, L.P.
Adobe®, Acrobat®, and PostScript® are
trademarks of Adobe Systems Incorporated.
Reproduction, adaptation, or translation
without prior written permission is
prohibited, except as allowed under the
copyright laws.
Corel® is a trademark or registered
trademark of Corel Corporation or Corel
Corporation Limited.
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: CC419-90987
Edition 1, 10/2010
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®, Windows® XP,
and Windows Vista® are U.S. registered
trademarks of Microsoft Corporation.
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.
Conventions used in this guide
TIP: Tips provide helpful hints or shortcuts.
NOTE: Notes provide important information to explain a concept or to complete a task.
CAUTION: Cautions indicate procedures that you should follow to avoid losing data or damaging
the product.
WARNING! Warnings alert you to specific procedures that you should follow to avoid personal
injury, catastrophic loss of data, or extensive damage to the product.
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Conventions used in this guide
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Table of contents
1 Theory of operation .......................................................................................................... 1
Basic operation ........................................................................................................................ 2
Sequence of operation ............................................................................................... 4
Engine-control system ................................................................................................................ 5
DC controller ............................................................................................................ 6
Solenoids .................................................................................................. 6
Clutches .................................................................................................... 7
Switches ................................................................................................... 7
Sensors ..................................................................................................... 8
Motors ...................................................................................................... 9
Fans ...................................................................................................................... 10
High-voltage power supply ....................................................................................... 12
Low-voltage power supply ........................................................................................ 14
Overcurrent/overvoltage protection ............................................................ 15
Safety ..................................................................................................... 15
Voltage detection ..................................................................................... 15
Sleep (powersave) mode ........................................................................... 15
Low-voltage power supply failure ............................................................... 16
Fuser control ........................................................................................................... 16
Fuser temperature control .......................................................................... 17
Fuser sleeve temperature protection ............................................................ 17
Failure detection ...................................................................................... 19
Fuser unit identification ............................................................................. 19
Fuser unit life detection ............................................................................. 20
Laser/scanner system ............................................................................................................. 21
Laser/scanner failure ............................................................................................... 22
Protective-glass cleaners ........................................................................................... 22
Image-formation system ........................................................................................................... 24
Image-formation process .......................................................................................... 26
Step 1: Pre-exposure ................................................................................. 27
Step 2: Primary charging .......................................................................... 27
Step 3: Laser-beam exposure ..................................................................... 28
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Step 4: Development ................................................................................ 28
Step 5: Primary transfer ............................................................................ 29
Step 6: Secondary transfer ........................................................................ 29
Step 7: Separation ................................................................................... 30
Step 8: Fusing ......................................................................................... 30
Step 9: ITB cleaning ................................................................................. 31
Step 10: Drum cleaning ............................................................................ 31
Print cartridge ......................................................................................................... 31
Developing-roller engagement and disengagement ..................................................... 33
Intermediate transfer belt (ITB) unit ............................................................................. 34
Primary-transfer-roller engagement and disengagement ................................. 35
ITB cleaning ............................................................................................ 37
Calibration ............................................................................................................. 37
Color-misregistration control ...................................................................... 38
Image-stabilization control ......................................................................... 39
Pickup, feed, and delivery system ............................................................................................. 40
Pickup-and-feed unit ................................................................................................ 44
Cassette pickup ........................................................................................ 44
Cassette-presence detection ........................................................ 45
Cassette lift operation and cassette paper-presence detection ......... 46
Cassette multiple-feed prevention ................................................. 47
Multipurpose tray pickup ........................................................................... 47
Paper feed .............................................................................................. 48
Skew-feed prevention ................................................................. 50
Paper detection ......................................................................... 50
Feed speed control .................................................................... 51
Fusing and delivery unit ........................................................................................... 52
Loop control ............................................................................................ 52
Pressure-roller pressurization control ........................................................... 54
Duplexing unit ........................................................................................................ 55
Duplexing reverse and feed control ............................................................ 55
Duplex print operation .............................................................................. 56
Jam detection ........................................................................................................................ 58
Optional paper feeders .......................................................................................................... 61
Motor control .......................................................................................................... 63
Paper-feeder pickup and feed operation .................................................................... 64
Paper-size detection and cassette-presence detection ................................................... 66
Paper-feeder cassette lift operation ............................................................................ 67
Paper feeder jam detection ....................................................................................... 68
Document feeder/scanner assembly ......................................................................................... 70
Scanner subsystem .................................................................................................. 70
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Document feeder/scanner motor and fan control ......................................................... 71
Legal detection sensor sequence ............................................................................... 72
Fan timing sequence ................................................................................................ 72
Optical assembly operation ...................................................................................... 73
Image data path ..................................................................................................... 73
Document feeder/scanner paper path and sensors ...................................................... 74
Document feeder pick mechanism ............................................................................. 75
3-bin stapling mailbox ............................................................................................................ 76
Motor control .......................................................................................................... 78
Failure detection ..................................................................................................... 79
Delivery operation ................................................................................................... 80
Staple operation ...................................................................................... 81
Stapler .................................................................................................... 86
Output bin 3 lift operation ......................................................................... 87
Stacker mode ......................................................................................................... 88
Mailbox/job separator mode ................................................................................... 89
Jam Detection ......................................................................................................... 90
Automatic Delivery .................................................................................................. 91
2 Removal and replacement .............................................................................................. 93
Introduction ........................................................................................................................... 94
Removal and replacement strategy ........................................................................................... 94
Electrostatic discharge ............................................................................................................ 95
Required tools ........................................................................................................................ 95
Before performing service ....................................................................................................... 96
After performing service .......................................................................................................... 96
Post-service test ...................................................................................................................... 97
Print-quality test ....................................................................................................... 97
Parts removal order ................................................................................................................ 98
Customer self repair (CSR) components ................................................................................... 100
Control panel ....................................................................................................... 100
Print cartridges ...................................................................................................... 103
Toner-collection unit ............................................................................................... 104
Formatter PCA ...................................................................................................... 106
Fax card .............................................................................................................. 107
Remove the fax card ............................................................................... 107
Hard drive ........................................................................................................... 108
Remove the hard drive ............................................................................ 108
Tray .................................................................................................................... 111
Fuser ................................................................................................................... 112
Feed and separation rollers (Trays 2-5) .................................................................... 113
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Pickup roller (Tray 1) ............................................................................................. 114
Reinstalling the pickup roller (Tray 1) ....................................................................... 117
Secondary transfer roller ........................................................................................ 118
Reinstall the transfer roller ....................................................................... 119
Intermediate transfer belt (ITB) ................................................................................. 120
Standard output bin ............................................................................................... 123
Output bin bezel ................................................................................................... 124
Remove the output bin bezel .................................................................... 124
ASY-TRY-F-BASE-SP (document feeder tray extender) .................................................. 124
ASY-CVR-FE-PICK-SP (pickup roller cover) ................................................................. 125
ASY-ROL-FE-FEED-SP (pickup roller) .......................................................................... 125
ASY-HLD-REV-PAD-SP (pickup roller pad) and ASY-SP-REV-SPR (spring) ......................... 126
External panels, covers, and doors ......................................................................................... 127
Identification and location ...................................................................................... 127
S-CVR-REAR (scanner rear cover) ............................................................................. 128
ASY-CVR-F-SP (document feeder front cover) ............................................................. 129
ASY-CVR-F-R-SP (document feeder rear cover) ........................................................... 131
S-CVR-LEFT (scanner left cover) ................................................................................ 133
Fan cover ............................................................................................................. 134
Remove the fan cover ............................................................................. 135
Lower-left cover ..................................................................................................... 136
Left cover ............................................................................................................. 137
Remove the left cover .............................................................................. 137
Right-front cover .................................................................................................... 138
Remove the right-front cover ..................................................................... 138
Reinstall the power button ........................................................ 139
Front-door assembly .............................................................................................. 140
Remove the front-door assembly ............................................................... 140
Right-rear cover .................................................................................................... 143
Remove the right-rear cover ..................................................................... 143
Rear cover ........................................................................................................... 144
Remove the rear cover ............................................................................ 144
Right-door assembly .............................................................................................. 145
Document feeder .................................................................................................................. 150
ASY-LVR-FE-EMP-SP (paper present flag) ................................................................... 150
Document feeder ................................................................................................... 151
Remove the document feeder ................................................................... 151
Reinstall the document feeder ................................................................... 152
ASY-CVR-FE-FEED-SP (document feeder jam-access cover) ........................................... 153
Remove the ASY-CVR-FE-FEED-SP (document feeder jam-access cover) ........... 153
ASY-TRY-SP (tray assembly) .................................................................................... 155
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Remove the ASY-TRY-SP (tray assembly) .................................................... 155
ASY-FRM-RE-FEED-SP (internal assembly) .................................................................. 157
Remove ASY-FRM-RE-FEED-SP (internal assembly) ....................................... 157
ASY-PBA-RELAY-SB (document feeder PCA) ............................................................... 159
Remove the ASY-PBA-RELAY-SB (document feeder PCA) ............................... 159
ASM-IF-SP (document feeder cable) ......................................................................... 160
Remove the ASM-IF-SP (document feeder cable) ......................................... 161
ASY-HNG-L-SP (document feeder left hinge) .............................................................. 162
Remove the ASY-HNG-L-SP (document feeder left hinge) .............................. 162
ASY-HNG-R-SP (document feeder right hinge) ........................................................... 163
Remove the ASY-HNG-R-SP (document feeder right hinge) ........................... 163
ASY-FAN-SP (document feeder fan) ......................................................................... 164
Remove the ASY-FAN-SP (document feeder fan) ......................................... 164
ASY-MOT-FE-SP (motor) .......................................................................................... 165
Remove the ASY-MOT-FE-SP (motor) .......................................................... 165
ASY-MOT-RE-SP (document feeder motor) ................................................................. 166
Remove the ASY-MOT-RE-SP (motor) ......................................................... 166
ASY-DFSENS-SP (document feeder open sensor) ........................................................ 167
Remove the ASY-DFSENS-SP (document feeder open sensor) ........................ 167
ASY-GIDREV-SPR-SP (document feeder jam access plate) ............................................ 168
Remove the ASY-GIDREV-SPR-SP (document feeder jam access plate) ............ 168
ASY-BASE_SB (base assembly) ............................................................................... 169
Remove the ASY-BASE_SB (base assembly) ............................................... 169
Scanner .............................................................................................................................. 170
Scanner filter cover and scanner filter ...................................................................... 170
Scanner assembly ................................................................................................. 171
Remove the scanner ................................................................................ 171
Scissor hinge assemblies ........................................................................................ 174
S-ASSY-CP-ADAPTER (CP adapter assembly) ............................................................. 176
Remove the S-ASSY-CP-ADAPTER (CP adapter assembly) ............................. 176
S-PBA-SCB (SCB) ................................................................................................... 179
Remove the S-PBA-SCB (SCB) ................................................................... 179
S-ASM-USB (USB control panel cable) ...................................................................... 181
Remove the S-ASM-USB (USB control panel cable) ...................................... 181
S-HNG-LIFT-R (scanner release assembly) ................................................................. 183
Remove the S-HNG-LIFT-R (scanner release assembly) ................................. 183
S-ASSY-UPPER-UNIT (tub top) .................................................................................. 184
Remove the S-ASSY-UPPER-UNIT (tub top) .................................................. 184
S-PBA-TYUKEI (interconnect board) and S-SNS-EY3A1061–2 (size sensor) ................... 185
Remove the S-PBA-TYUKEI (interconnect board) and S-SNS-EY3A1061–2
(size sensor) .......................................................................................... 185
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S-ASSY-INV (inverter) ............................................................................................. 188
Remove the S-ASSY-INV (inverter) ............................................................. 188
S-FAN-MFB-30E-05A-006 (inverter fan) .................................................................... 190
Remove the S-FAN-MFB-30E-05A-006 (inverter fan) .................................... 190
ASSY-CRG-UNIT-IR4068 (optical assembly) .............................................................. 191
Remove the ASSY-CRG-UNIT-IR4068 (optical assembly) .............................. 191
S-ASSY-MOTOR-UNIT (motor assembly) ................................................................... 195
Remove the S-ASSY-MOTOR-UNIT (motor assembly) ................................... 195
S-FAN-D06037600G-001 (scanner fan) .................................................................. 197
Remove the S-FAN-D06037600G-001 (scanner fan) .................................. 197
Internal assemblies ............................................................................................................... 199
IPTU .................................................................................................................... 199
Remove the IPTU .................................................................................... 199
Cassette feed guide ............................................................................................... 202
Secondary transfer assembly .................................................................................. 204
Reinstall the secondary transfer assembly .................................................. 205
Separation pad (Tray 1) ......................................................................................... 206
Remove the separation pad (Tray 1) ......................................................... 206
Registration density (RD) sensor assembly ................................................................. 209
Remove the RD sensor assembly ............................................................... 209
Registration assembly ............................................................................................ 213
Remove the registration assembly ............................................................. 214
Residual-toner-feed motor ....................................................................................... 218
Remove the residual-toner-feed motor ........................................................ 218
Residual-toner duct and feed assembly ..................................................................... 219
Remove the residual-toner duct and feed assembly ..................................... 219
Cartridge fan and environmental sensor ................................................................... 222
Remove the cartridge fan and environmental sensor ................................... 222
Toner-collection sensor and scanner-thermistor assembly ............................................ 226
Remove the toner-collection sensor and scanner-thermistor assembly ............. 226
Delivery fan .......................................................................................................... 228
Remove the delivery fan .......................................................................... 228
Intermediate cover and duplexing gear cover ........................................................... 229
Remove the Intermediate cover and duplexing gear cover ........................... 229
Delivery assembly ................................................................................................. 231
Remove the delivery assembly .................................................................. 231
Reinstall the delivery assembly .................................................. 234
Duplex-drive assembly ........................................................................................... 235
Remove the duplex-drive assembly ........................................................... 235
Power-supply fan ................................................................................................... 236
Remove the power-supply fan .................................................................. 236
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Image scanner power supply unit (PSU) ................................................................... 237
Remove the image scanner supply unit (PSU) and fan ................................. 238
Interconnect board (ICB) ........................................................................................ 239
Remove the ICB ...................................................................................... 239
DC controller PCA only .......................................................................................... 241
Remove the DC controller PCA only .......................................................... 241
Low-voltage power supply (LVPS) ............................................................................. 243
Remove the low-voltage power supply ....................................................... 243
DC controller PCA and tray .................................................................................... 248
Remove the DC controller PCA and tray .................................................... 248
High-voltage power supply lower (HVPS-D) .............................................................. 250
Remove the high-voltage power supply lower ............................................. 250
Reinstall the high-voltage power supply lower ............................. 254
Developing-disengagement motor ........................................................................... 255
Remove the developing-disengagement motor ............................................ 255
Exhaust fan and fan duct ........................................................................................ 256
Remove the exhaust fan and fan duct ........................................................ 256
Reinstall the exhaust fan and fan duct ....................................................... 258
Pickup motor ........................................................................................................ 259
Remove the pickup motor ........................................................................ 259
Lifter-drive assembly .............................................................................................. 260
Remove the lifter-drive assembly ............................................................... 261
Lifter base assembly .............................................................................................. 263
Remove the lifter base assembly ............................................................... 263
Reinstall the lifter base assembly .............................................................. 264
Tray-pickup drive assembly ..................................................................................... 266
Remove the tray-pickup drive assembly ..................................................... 266
Tray-pickup assembly ............................................................................................. 268
Remove the tray-pickup assembly ............................................................. 269
Laser/scanner assembly (Y/M) ............................................................................... 275
Remove the laser/scanner assembly (Y/M) ................................................ 276
Laser/scanner assembly (C/Bk) .............................................................................. 279
Remove the laser/scanner assembly (C/Bk) ............................................... 280
Reinstall the protective glass cleaner (PGC) actuators ................... 283
High-voltage power supply upper (HVPS-T) ............................................................... 286
Remove the high-voltage power supply upper ............................................ 286
Reinstall the high-voltage power supply upper ............................. 288
Yellow, magenta, cyan, and black drum motors ........................................................ 289
Remove the yellow, magenta, cyan, and black drum motors ........................ 289
Fuser motor .......................................................................................................... 290
Remove the fuser motor ........................................................................... 291
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ITB motor ............................................................................................................. 292
Remove the ITB motor ............................................................................. 292
Main-drive assembly .............................................................................................. 293
Remove the main-drive assembly .............................................................. 294
Reinstall the main-drive assembly ............................................... 298
Optional paper feeder assemblies (1 x 500-sheet and 3 x 500-sheet) ........................................ 303
Front door (optional paper feeder) .......................................................................... 303
Rear cover (optional paper feeder) .......................................................................... 305
Right-front cover (optional paper feeder) .................................................................. 306
Right door (optional paper feeder) .......................................................................... 307
Left cover (optional paper feeder) ............................................................................ 309
Remove the left cover (optional paper feeder) ............................................ 309
Right cover (optional paper feeder) ......................................................................... 311
Remove the right cover (optional paper feeder) .......................................... 311
Rear-right cover (optional paper feeder) ................................................................... 312
Remove the rear-right cover (optional paper feeder) ................................... 312
Pickup assembly (optional paper feeder) .................................................................. 313
Remove the pickup assembly (optional paper feeder) .................................. 313
Lifter assembly (optional paper feeder) ..................................................................... 316
Remove the lifter assembly (optional paper feeder) ..................................... 316
Lifter-drive assembly (optional paper feeder) ............................................................. 317
Remove the lifter-drive assembly (optional paper feeder) ............................. 317
Pickup motor assembly (optional paper feeder) ......................................................... 318
Remove the pickup motor (optional paper feeder) assembly ......................... 318
Controller PCA (optional paper feeder) .................................................................... 319
Remove the controller PCA (optional paper feeder) ..................................... 319
Optional 500-sheet paper feeder assembly ............................................................................. 321
Rear cover (500-sheet paper feeder) ....................................................................... 321
Right-front cover (500-sheet paper feeder) ................................................................ 321
Left cover (500-sheet paper feeder) ......................................................................... 322
Remove the left cover (500-sheet paper feeder) .......................................... 322
Right cover (500-sheet paper feeder) ....................................................................... 323
Remove the right cover (500-sheet paper feeder) ........................................ 323
Front cover (500-sheet paper feeder) ....................................................................... 324
Pickup assembly (500-sheet paper feeder) ................................................................ 325
Remove the pickup assembly (500-sheet paper feeder) ............................... 325
Lifter assembly (500-sheet paper feeder) .................................................................. 328
Remove the lifter assembly (500-sheet paper feeder) ................................... 328
Reinstall the lifter assembly ...................................................................... 329
Reinstall the lifter assembly ....................................................... 329
Lifter-drive assembly (500-sheet paper feeder) .......................................................... 330
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Remove the lifter-drive assembly (500-sheet paper feeder) ........................... 330
Pickup motor assembly (500-sheet paper feeder) ....................................................... 331
Remove the pickup motor (500-sheet paper feeder) assembly ...................... 331
Controller PCA (500-sheet paper feeder) .................................................................. 332
Remove the controller PCA (500-sheet paper feeder) .................................. 332
Stapling mailbox .................................................................................................................. 333
Stapling mailbox front cover ................................................................................... 333
Stapling mailbox rear cover ................................................................................... 334
Stapling mailbox door ........................................................................................... 335
Holder connector .................................................................................................. 335
Remove the holder connector ................................................................... 336
Top cover ............................................................................................................. 337
Remove the top cover ............................................................................. 337
Output bin 3 ......................................................................................................... 338
Stapling mailbox PCA ............................................................................................ 340
Stapler assembly ................................................................................................... 343
Remove the stapler assembly ................................................................... 343
Stamp solenoid ..................................................................................................... 344
Remove the stamp solenoid ..................................................................... 344
Output bin sensor PCA .......................................................................................... 346
Remove the output bin sensor PCA ........................................................... 346
Stacking panel ...................................................................................................... 348
Remove the stacking panel ...................................................................... 348
Jogger assembly ................................................................................................... 350
Remove the jogger assembly ................................................................... 350
Flapper guide assembly ......................................................................................... 352
Remove the flapper guide assembly .......................................................... 353
Flapper assembly .................................................................................................. 354
Remove the flapper assembly ................................................................... 355
MBM output bin assembly ...................................................................................... 356
Remove the MBM output bin assembly ...................................................... 356
Output bin 3 drive assembly ................................................................................... 358
Remove the output bin drive assembly ....................................................... 358
Output bin solenoid ............................................................................................... 361
Remove the output bin solenoid ................................................................ 361
3 Solve problems ............................................................................................................. 363
Solve problems checklist ....................................................................................................... 364
Administration Menu Map ..................................................................................................... 366
Troubleshooting process ........................................................................................................ 367
Determine the problem source ................................................................................. 367
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Pre-troubleshooting checklist .................................................................... 367
Troubleshooting flowchart ....................................................................... 369
Power subsystem ................................................................................................... 370
Power-on checks .................................................................................... 370
Power-on troubleshooting overview ............................................ 370
Control-panel checks ............................................................................................. 372
Scanning subsystem .............................................................................................. 373
Tools for troubleshooting ....................................................................................................... 374
Component diagnostics .......................................................................................... 374
LED diagnostics ...................................................................................... 374
LED indicators ......................................................................... 374
Engine diagnostics ................................................................................. 375
Defeating interlocks ................................................................. 375
Disable cartridge check ........................................................... 376
Engine-test button .................................................................... 376
Paper-path test ....................................................................................... 378
Manual sensor test ................................................................................. 378
Front-door switch ..................................................................... 380
Right-door switch ..................................................................... 381
Registration sensor .................................................................. 382
Fuser loop 1 and 2 sensors ...................................................... 383
Fuser output sensor .................................................................. 384
Duplexer refeed sensor ............................................................ 386
IPTU-bin-full sensor ................................................................... 387
Developer alienation sensor ...................................................... 388
Fuser pressure-release sensor .................................................... 389
ITB alienation sensor ................................................................ 390
IPTU feed sensor ..................................................................... 392
Scanner open sensor ............................................................... 392
Tray/Bin manual sensor test .................................................................... 393
Tray 1 paper sensor ................................................................ 395
Tray 2 paper sensor ................................................................ 396
Tray 2 paper surface 1 and 2 sensors ....................................... 397
Tray 2 paper size switches ....................................................... 398
Tray 3 paper sensor ................................................................ 399
Tray 3 feed sensor ................................................................... 399
Tray 3 paper surface 1 and 2 sensors ....................................... 400
Tray 3 paper size switches ....................................................... 401
Tray 4 paper sensor ................................................................ 401
Tray 4 feed sensor ................................................................... 402
Tray 4 paper surface 1 and 2 sensors ....................................... 402
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Tray 4 paper size switches ....................................................... 403
Tray 5 paper sensor ................................................................ 403
Tray 5 feed sensor ................................................................... 404
Tray 5 paper surface 1 and 2 sensors ....................................... 404
Tray 5 paper size switches ....................................................... 405
5V laser and 24V interlock and logic switches (and power switch) 406
New ITB sensor ....................................................................... 410
Tray 3, 4, and 5 right door switch ............................................. 412
Paper-path sensors test ............................................................................ 413
Print/stop test ........................................................................................ 414
Scanner tests ......................................................................................... 414
Scanner tests .......................................................................... 414
Scanner sensor tests ................................................................. 415
Document feeder paper present sensor ...................................... 416
Document feeder Y (length) sensor ............................................. 416
Document feeder jam cover sensor ............................................ 417
Flatbed Y (length) sensor .......................................................... 418
Flatbed cover angle sensor ....................................................... 419
Flatbed cover sensor ................................................................ 420
Document feeder registration sensor .......................................... 421
Document feeder exit sensor ..................................................... 421
Document feeder read sensor ................................................... 422
Component tests ..................................................................................... 422
Control-panel tests ................................................................... 422
Component test (special-mode test) ............................................ 422
Stapler/stacker ....................................................................... 424
Diagrams ............................................................................................................. 426
Block diagrams ...................................................................................... 426
Plug/jack locations ................................................................................. 430
Location of connectors ............................................................................ 432
DC controller connector locations .............................................. 432
Controller PCA (1 x 500-sheet and 3 x 500-sheet optional paper
feeders) .................................................................................. 434
Stapler/stacker PCA ................................................................ 435
IPTU PCA ............................................................................... 436
Locations of major components ................................................................ 437
General timing chart ............................................................................... 451
Circuit diagrams .................................................................................... 452
Internal print-quality test pages ................................................................................ 458
Print-quality-troubleshooting pages ............................................................ 458
Diagnostics page ................................................................................... 461
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Cleaning page ....................................................................................... 462
Configuration pages ............................................................................... 462
Configuration page ................................................................. 462
HP embedded Jetdirect page .................................................... 464
Embedded protocol page ......................................................... 465
Finding important information on the configuration pages ............ 466
Color-band test ...................................................................................... 466
Print-quality troubleshooting tools ............................................................................ 467
Repetitive defects ruler ............................................................................ 467
Calibrate the product .............................................................................. 468
Control panel menus .............................................................................................. 469
Navigate the Administration menu ........................................................... 469
Interpret control-panel messages ............................................................................. 470
Control-panel message types ................................................................... 470
Control-panel messages .......................................................................... 470
Clear All Blocked Numbers ...................................................... 470
Clear Event Log ....................................................................... 470
Replace Supplies ..................................................................... 471
Cleaning Page ........................................................................ 471
10.00.70 Printing past very low ............................................... 471
10.0X.90 Replace .................................................... 472
10.0X.Y0 Supply memory error ................................................ 472
10.XX.69 very low To continue, touch “OK” ................ 473
10.YY.60 cartridge low ............................................... 473
11.00.YY Internal clock error To continue, touch “OK” ................ 474
13.WX.EE Door open jam ........................................................ 474
13.WX.FF Jam ........................................................................ 474
13.WX.YZ Fuser Area Jam ....................................................... 475
13.WX.YZ Fuser wrap jam ....................................................... 476
13.WX.YZ Jam below control panel Clear jam, then touch "OK" . . 476
13.WX.YZ Jam in left cover ...................................................... 477
13.WX.YZ Jam in lower bin area .............................................. 478
13.WX.YZ Jam in top cover area .............................................. 478
13.WX.YZ Jam in Tray 1 Clear jam, then touch "OK" ................. 478
13.WX.YZ Jam in Tray ...................................................... 478
13.WX.YZ Jam inside lower right door ...................................... 479
13.WX.YZ Jam inside output accessory bridge ........................... 479
13.WX.YZ Jam inside right door ............................................... 480
13.WX.YZ Jams inside lower right door ..................................... 480
13.WX.YZ Jams inside right door .............................................. 481
13.WX.YZ Staple jam inside left cover ...................................... 482
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20.00.00 Insufficient memory: To continue, touch
“OK” ..................................................................................... 482
21.00.00 Page Too Complex To continue, touch “OK” ............... 483
30.01.YY Scanner Failure ........................................................ 483
30.01.YY Scanner Failure ........................................................ 483
30.01.YY Scanner Failure ........................................................ 483
30.01.YY Scanner Failure ........................................................ 484
30.01.YY Scanner Failure ........................................................ 484
30.01.YY Scanner Failure ........................................................ 484
30.01.YY Scanner Failure ........................................................ 485
30.01.YY Scanner Failure ........................................................ 485
30.01.YY Scanner Failure ........................................................ 485
30.01.YY Scanner Failure ........................................................ 485
30.01.YY Scanner Failure ........................................................ 486
30.01.YY Scanner Failure ........................................................ 486
30.01.YY Scanner Failure ........................................................ 486
30.01.YY Scanner Failure ........................................................ 487
30.01.YY Scanner Failure ........................................................ 487
30.01.YY Scanner Failure ........................................................ 487
30.01.YY Scanner Failure ........................................................ 488
30.01.YY Scanner Failure ........................................................ 488
30.01.YY Scanner Failure ........................................................ 488
31.01.02 Jam in document feeder ............................................ 489
31.01.03 Document feeder pick error ....................................... 489
40.00.01 USB I/O buffer overflow To continue, touch “OK” ........ 490
40.00.02 Embedded I/O buffer overflow To continue, touch
“OK” ..................................................................................... 490
40.00.03 EIO buffer overflow To continue, touch “OK” ........ 490
40.00.04 EIO bad transmission To continue, touch “OK” ..... 490
40.00.05 Embedded I/O bad transmission To continue, touch
“OK” ..................................................................................... 491
41.02.00 Error To continue, touch “OK” ................................... 491
41.03.YZ Unexpected size in tray ...................................... 491
41.05.YZ Unexpected type in tray ..................................... 492
41.07.YZ Error To continue, touch “OK” .................................... 493
42.XX.YY Error ....................................................................... 494
44.01.XX Error ....................................................................... 494
44.03.XX Error ....................................................................... 494
44.10.XX Error ....................................................................... 495
44.34.XX Error ....................................................................... 495
44.92.XX Error ....................................................................... 495
ENWW
xvii
47.00.XX Error ....................................................................... 495
47.01.XX Error ....................................................................... 496
47.02.XX Error ....................................................................... 496
47.03.XX Error ....................................................................... 496
47.04.XX Error ....................................................................... 497
47.06.XX Error ....................................................................... 497
47.WX.YZ Printer Calibration Failed To continue, touch “OK” ...... 497
48.01.XX Error ....................................................................... 498
48.03.XX Error ....................................................................... 498
48.05.XX Error ....................................................................... 499
49.21.49 The device has a detection problem ............................ 499
49.XX.YY Error To continue turn off then on ................................ 499
50.WX.YZ Fuser Error To continue turn off then on ...................... 500
50.WX.YZ Fuser Error To continue turn off then on ...................... 501
50.WX.YZ Fuser Error To continue turn off then on ...................... 501
50.WX.YZ Fuser Error To continue turn off then on ...................... 502
50.WX.YZ Fuser Error To continue turn off then on ...................... 502
50.WX.YZ Fuser Error To continue turn off then on ...................... 503
50.WX.YZ Fuser Error To continue turn off then on ...................... 504
50.WX.YZ Fuser Error To continue turn off then on ...................... 504
50.WX.YZ Fuser Error To continue turn off then on ...................... 505
51.00.YY Error To continue turn off then on ................................ 505
52.00.00 Error To continue turn off then on ............................... 506
52.20.00 Error To continue turn off then on ............................... 506
53.10.0X Unsupported DIMM .................................................. 507
54.XX.YY Error ....................................................................... 507
54.XX.YY Error ....................................................................... 507
54.XX.YY Error ....................................................................... 507
54.XX.YY Error ....................................................................... 508
54.XX.YY Error ....................................................................... 508
54.XX.YY Error ....................................................................... 509
54.XX.YY Error ....................................................................... 509
54.XX.YY Error ....................................................................... 510
55.00.05 Engine Firmware RFU Error To continue turn off then
on ......................................................................................... 510
55.00.YY DC Controller Error To continue turn off then on ........... 510
55.00.YY DC Controller Error To continue turn off then on ........... 511
56.00.01 Illegal Input Printer Error To continue turn off then on .... 511
56.00.YY Error To continue turn off then on ................................ 511
58.00.04 Error To continue turn off then on ............................... 512
59.00.B0 Cleaning motor error Replace Toner Collection Unit ...... 512
xviii
ENWW
59.00.YY Error To continue turn off then on ................................ 512
59.0X.50 Error To continue turn off then on ................................ 513
59.0X.60 Error To continue turn off then on ................................ 514
60.00.0Y Tray lifting error ................................................ 514
62.00.00 No system To continue turn off then on ........................ 515
65.80.A1 Output accessory disconnected .................................. 515
66.80.YY
Source Exif Data:
File Type : PDF
File Type Extension : pdf
MIME Type : application/pdf
PDF Version : 1.6
Linearized : No
Page Mode : UseOutlines
XMP Toolkit : Adobe XMP Core 4.0-c316 44.253921, Sun Oct 01 2006 17:14:39
Modify Date : 2010:12:20 14:00:27-07:00
Create Date : 2010:12:20 13:36:35-07:00
Metadata Date : 2010:12:20 14:00:27-07:00
Format : application/pdf
Title : HP Color LaserJet Enterprise CM4540 MFP Series Service Manual - ENWW
Creator : HP LaserJet Information Engineering
Description : Cheetah tools build 11.0.1 created on December 14, 2010. 09:53 PM
Subject : Edition 1, 10/2010
Document ID : uuid:e8f9e98d-a1ca-4b58-a0ac-252dcc7eb097
Instance ID : uuid:b8283824-e02e-41fd-80ed-bceb94179125
Keywords : Edition 1, 10/2010
Page Count : 878
Page Layout : SinglePage
Author : HP LaserJet Information Engineering
EXIF Metadata provided by EXIF.tools