HP Color Laserjet CM6049f MFP (service manual)

Product basics......Page 47
Product introduction......Page 48
Product features......Page 49
HP Color LaserJet CM6049f MFP......Page 52
Back view......Page 53
Serial number and model number location......Page 54
Supported operating systems......Page 56
Control panel......Page 57
Control-panel layout......Page 58
Home screen......Page 59
Control-panel help system......Page 60
Navigate the Administration menu......Page 61
Information menu......Page 62
Default Options for Originals......Page 64
Image adjustment......Page 65
Default Copy Options......Page 66
Default Fax Options......Page 67
Default E-mail Options......Page 68
Default Send to Folder Options......Page 69
Default Print Options......Page 70
Time/Scheduling menu......Page 71
Management menu......Page 73
Networking and I/O......Page 75
Fax Setup......Page 82
Send Setup menu......Page 85
Device Behavior menu......Page 86
Print Quality menu......Page 94
Troubleshooting menu......Page 98
Resets menu......Page 104
Service menu......Page 105
Paper and print media......Page 107
Understand paper and print media use......Page 108
Supported paper and print media sizes......Page 109
Supported paper types......Page 112
Special paper or print media guidelines......Page 114
Load Tray 1......Page 115
Load standard-sized media into trays 2, 3, 4, or 5......Page 116
Load undetectable standard-sized media into Tray 2, 3, 4, and 5......Page 118
Load custom-size media into tray 2, 3, 4, or 5......Page 119
Load letterhead, pre-printed, or pre-punched paper......Page 120
Choose the correct orientation for loading letterhead, pre-printed, or pre-punched paper......Page 121
Automatic media type sensing (auto sense mode)......Page 125
Source......Page 126
Type and Size......Page 127
3-bin stapler/stacker features......Page 128
Accessory walkaround......Page 129
Use the booklet-making feature......Page 130
Create a booklet from a copy......Page 131
Select the operating mode in the printer driver (Mac OS X)......Page 132
Manage and maintain the product......Page 135
Information pages......Page 136
Open the embedded Web server by using a network connection......Page 138
Embedded Web server sections......Page 139
Use HP Web Jetadmin software......Page 142
Data affected......Page 143
Lock the control-panel menus......Page 144
HP fraud hotline and Web site......Page 145
Supply replacement guidelines......Page 146
Change print cartridges......Page 147
Change image drums......Page 150
Install DDR memory DIMMs......Page 153
Enable memory for Windows 2000 and XP......Page 156
Install an HP Jetdirect or EIO print server card or EIO hard disk......Page 157
Replace the staple cartridge......Page 159
Replace saddle stitch staple cartridges in the booklet maker......Page 161
Clean the product interior......Page 164
Clean the 3X500 sheet input tray......Page 166
Clean the scanner glass......Page 167
Clean the ADF delivery system......Page 168
Clean the ADF rollers......Page 169
ADF maintenance kit......Page 171
Calibrate the scanner......Page 172
Use FTP to upload the firmware through a browser......Page 173
Use HP Web Jetadmin to upgrade the firmware......Page 174
Use the HP Jetdirect firmware......Page 175
Set the time......Page 177
Theory of operation......Page 179
Sequence of operation......Page 180
Resolution Enhancement technology (REt)......Page 182
PJL overview......Page 183
Control panel......Page 184
Engine-control system......Page 185
Solenoids......Page 186
Switches......Page 187
Sensors......Page 188
Motors and fans......Page 189
Fuser control......Page 191
Fuser temperature-control circuit......Page 193
Fuser over-temperature protection......Page 194
Fuser identification......Page 195
Low-voltage power supply......Page 196
High-voltage power supply......Page 197
Laser/scanner system......Page 200
Image-formation system......Page 202
Image-formation process......Page 203
Step 2: Primary charging......Page 204
Step 4: Development......Page 205
Step 6: Secondary transfer......Page 206
Step 8: Fusing......Page 207
Step 10: Drum cleaning......Page 208
Print cartridge......Page 209
Imaging drum......Page 210
Developing roller engagement and disengagement......Page 212
Primary-transfer-roller engagement and disengagement......Page 213
ITB unit detection......Page 215
Calibration......Page 217
Color-misregistration contol......Page 218
Image stabilization control......Page 219
Pickup, feed, and delivery system......Page 220
Pickup-and-feed unit......Page 223
Cassette paper-size and cassette-presence detection......Page 225
Cassette lift operation......Page 227
Cassette paper-level and paper-presence detection......Page 228
Multifeed prevention......Page 229
Multipurpose tray pickup......Page 230
Multipurpose tray last-paper detection......Page 231
Paper feed......Page 232
Skew-feed prevention......Page 234
Feed-speed control......Page 235
Loop control......Page 237
Pressure-roller pressurization control......Page 238
Duplexing unit......Page 239
Duplexing reverse and feed control......Page 240
Jam detection......Page 241
Optional input trays......Page 243
Paper-feeder pickup and feed operation......Page 246
Scanner component......Page 248
Scanner system block diagram......Page 250
Scanner image-data path......Page 251
Scanner power topology......Page 252
Scanner power states......Page 253
Sensor topology......Page 254
Boards I/Os......Page 257
Scanner operation flow......Page 259
ADF simplex-printing operation sequence......Page 263
ADF duplex-printing operation sequence......Page 264
Multifeed operation......Page 265
Paper pick and separation operation......Page 266
Deskew......Page 267
Removal and replacement......Page 269
Introduction......Page 270
Types of screws......Page 271
After performing service......Page 272
Save/Restore......Page 273
User-replaceable parts......Page 274
Fuser......Page 275
Transfer roller......Page 278
Intermediate transfer belt (ITB)......Page 280
Tray 1 pickup and separation rollers......Page 283
Tray 2, 3, 4, and 5 pickup rollers......Page 285
Formatter......Page 287
Trays 3, 4, and 5......Page 290
Secondary transfer unit......Page 291
Multipurpose drive unit......Page 296
Multipurpose-tray guide (Tray 1) unit......Page 300
Cassette (Tray 2) pickup unit......Page 301
Rear-left cover......Page 302
Rear-right cover......Page 303
Rear cover......Page 304
Low-voltage power-supply unit......Page 305
High-voltage power supply PCA (A)......Page 306
Lifter-drive unit......Page 308
Fuser motor......Page 311
Intermediate-transfer belt (ITB) motor......Page 312
Face-down output bin......Page 313
Left cover......Page 314
Laser/scanner fan duct......Page 315
Print-cartridge driver PCA......Page 317
High-voltage power supply PCA (B)......Page 319
Formatter case......Page 321
DC controller PCA......Page 323
Environmental sensor......Page 325
Image-drum motor......Page 326
Fuser fan......Page 328
Print-cartridge feed motor (black)......Page 329
Print-cartridge feed motor (yellow, magenta, and cyan)......Page 330
Cartridge fan unit......Page 331
Laser/scanner fan unit......Page 332
Fuser power-supply unit......Page 333
Primary transfer-roller disengagement motor......Page 334
Print-cartridge drive unit (yellow and magenta)......Page 335
Print-cartridge drive unit (cyan and black)......Page 340
Print-cartridge interface PCA (cyan and black)......Page 341
Print-cartridge interface PCA (yellow and magenta)......Page 342
Main drive unit......Page 343
Cartridge fan duct......Page 345
Duplex switchback tray......Page 346
Front lower cover......Page 347
Inner cover......Page 348
Rear scanner cover......Page 350
Right upper cover......Page 351
Front door......Page 352
Front door assembly......Page 353
Color-misregistration and image-density sensor unit......Page 354
Pressure-release sensor unit......Page 355
Scanner cover......Page 357
Laser/scanner assembly (yellow and magenta)......Page 358
Laser/scanner assembly (cyan and black)......Page 361
VOC fan......Page 364
Duplexing reverse unit......Page 365
Face-down delivery unit......Page 366
Face-down cover......Page 368
Right-door assembly......Page 369
Duplexing feed unit......Page 371
Multipurpose-tray (Tray 1) pickup unit......Page 373
Thermopile unit......Page 376
Front-lower cover......Page 377
ITB duct......Page 378
Right door......Page 379
Lower-rear cover......Page 381
Front-right cover......Page 382
Right cover......Page 383
Front-upper cover......Page 384
Lower-left cover......Page 385
Front-lower door......Page 386
Box......Page 387
Input tray is attached......Page 388
Paper feeder is not attached......Page 389
Auto-close unit......Page 391
Pickup motor......Page 392
Paper-feeder driver PCA......Page 393
Left cover......Page 394
Pickup unit (middle cassette)......Page 395
Paper feeder is attached......Page 396
Paper feeder is not attached......Page 397
Paper-feeder driver PCA......Page 399
Optical scanner......Page 400
Upper-left scanner cover......Page 404
Upper-right scanner cover......Page 405
Control panel......Page 406
Front scanner cover......Page 408
Lower-left scanner cover......Page 410
Lower-right scanner cover......Page 412
Top scanner cover......Page 413
Glass assembly......Page 414
Carriage unit......Page 415
Configure the SCB when replacing the carriage unit, inverter, SCB, or optical scanner......Page 420
Pulley assembly and motor unit......Page 422
Rail......Page 425
Inverter unit......Page 426
Lid sensor......Page 428
SCB, CPB, and SCUID......Page 430
Power-supply unit......Page 433
Scanner fan......Page 435
SCB fan......Page 436
Control panel fan......Page 437
Fan filter......Page 438
ADF assembly......Page 439
ADF input tray sensors......Page 441
Separation floor assembly......Page 443
Diverter......Page 445
Jam cover......Page 446
Hinge assemblies......Page 448
Float assembly......Page 449
White backing......Page 452
Front end cover (cap)......Page 454
Rear end cover (cap)......Page 456
ADF PCA and wire harness......Page 459
Input tray......Page 461
Solve problems......Page 463
Introduction......Page 464
Pre-troubleshooting checklist......Page 465
Troubleshooting checklist......Page 466
Troubleshooting flowchart......Page 468
Power-on troubleshooting overview......Page 469
Diagnostics page......Page 471
Cleaning page......Page 472
Configuration page......Page 473
HP embedded Jetdirect page......Page 475
Embedded protocol page......Page 476
Finding important information on the configuration pages......Page 477
Solve performance problems......Page 478
Solve network printing problems......Page 479
Verify communication over the network......Page 480
Control-panel message types......Page 481
Control-panel messages......Page 482
Clear the event log......Page 558
Event log message......Page 559
Common causes of jams......Page 566
Clear jams......Page 567
Jam sensors......Page 568
AREA 1: Jams in the output bin......Page 569
AREA 2 and 3: Jams in the fuser and transfer area......Page 571
AREA 4: Jams in the duplex area......Page 578
AREA 5: Jams in Tray 2 and the internal paper path......Page 582
AREA 6:Jams in Tray 1......Page 586
AREA 7: Jams in optional Trays 3, 4, and 5......Page 590
Clear jams in the output-accessory bridge......Page 594
Clear jams in the sorter area......Page 596
Clear jams in the booklet maker......Page 598
AREA 9: Jams in the ADF......Page 599
Clear staple jams in the main stapler......Page 600
Clear staple jams in the booklet maker......Page 602
Jam recovery......Page 604
Product feeds incorrect page size......Page 605
Paper does not feed from Tray 2, 3, 4, or 5......Page 606
Transparencies or glossy paper will not feed......Page 607
Output is curled or wrinkled......Page 608
Product will not duplex or duplexes incorrectly......Page 609
Repetitive defects ruler......Page 610
Use supported paper......Page 612
Specify the correct paper type......Page 613
Clean the fuser......Page 614
Clean the registration second transfer assembly......Page 615
Use manual print modes......Page 617
Print-quality-troubleshooting pages......Page 618
Image-quality issues......Page 621
EIO troubleshooting......Page 626
HP Jetdirect LEDs......Page 627
Understand lights on the SCB......Page 628
Engine-test button......Page 630
Troubleshooting menu......Page 631
Diagnostics that put the engine into the special diagnostics mode......Page 632
Diagnostic tests......Page 633
Paper-path sensors test......Page 634
Paper-path test......Page 636
Manual sensor test (special-mode test)......Page 637
Image-drum motors test......Page 639
ITB-contact/alienation test......Page 640
Duplexer refeed-motor test......Page 641
Print/stop test......Page 643
Scanner tests......Page 644
Service menu......Page 645
NVRAM initialization......Page 647
Solve scanner problems......Page 648
Solve fax problems......Page 649
Validate the LDAP gateway address......Page 650
PCAs......Page 651
Product base......Page 653
1 x 500 input tray......Page 656
3 x 500 input tray......Page 657
Product base......Page 658
Product base......Page 659
3 x 500 input tray......Page 662
IPTU......Page 663
Product base......Page 664
3 x 500 input tray......Page 666
Product base......Page 667
3 x 500 input tray......Page 668
Product base......Page 669
3 x 500 input tray......Page 670
Main assemblies......Page 672
Main parts......Page 675
PCAs......Page 676
1 x 500 input tray......Page 677
3 x 500 input tray......Page 678
Components (scanner)......Page 679
Sensors (ADF)......Page 680
General timing chart......Page 681
General circuit diagrams......Page 682
Signals......Page 686
Output accessories and intermediate paper transfer unit (IPTU)......Page 715
Basic operation......Page 716
Jam detection......Page 718
Basic operation......Page 719
Feed drive system......Page 720
Construction of the control system......Page 721
Paper delivery path (stapler/stacker and booklet maker)......Page 723
Stack job offset......Page 727
Offset operation......Page 729
Stack delivery operation......Page 730
Staple operation (stapler/stacker and booklet maker)......Page 731
Staple unit......Page 734
Shift the staple unit......Page 735
Output bin operation......Page 737
Shutter operation......Page 739
Jam detection......Page 740
Protection function......Page 741
Electrical circuitry of the stacker unit......Page 742
Basic operation of the booklet maker unit......Page 743
Feed drive system......Page 744
Construction of the stacker-unit control system......Page 745
Construction of the booklet-maker-unit control system......Page 747
Basic operation for the booklet maker......Page 750
Control of the inlet flappers......Page 754
Control of paper movement......Page 757
Alignment of paper......Page 759
Control the phase of the crescent roller......Page 761
Overview of folding......Page 763
Fold the stack......Page 764
Double folding a stack......Page 767
Intermediate-process-tray assembly......Page 768
Stapler unit......Page 769
Stitcher (stapler) unit......Page 770
Jam detection......Page 771
Detect jams in the booklet maker unit......Page 772
Power-supply route for the stacker unit......Page 773
Protective function for the booklet maker unit......Page 774
Accessory specifications......Page 775
Stapler/stacker output-bin capacities......Page 780
Booklet-maker output-bin capacities......Page 781
IPTU......Page 782
Upper guide assembly......Page 784
Rear cover......Page 786
Fan unit......Page 790
Right belt-drive unit......Page 791
Left belt-drive unit......Page 794
Finisher lock-assembly......Page 796
IPTU paper-feed motor 1......Page 798
IPTU paper-feed motor 2......Page 799
IPTU driver PCA......Page 800
Identify the booklet maker and stapler/stacker......Page 801
Remove the booklet maker and stapler/stacker from the printer......Page 802
Entrance lower-guide assembly......Page 805
Front door......Page 806
Rear cover......Page 807
Rear-foot cover......Page 808
Front inside-upper cover......Page 809
Front inside-lower cover (booklet maker only)......Page 810
Left-upper cover......Page 811
Top door......Page 813
Grate-shaped upper guide......Page 815
Move output bins 1 and 2......Page 816
Grate-shaped lower guide......Page 818
PCA cover......Page 819
Stapler......Page 820
Stapler assembly......Page 822
Swing unit......Page 825
Upper crossmember unit......Page 829
Saddle unit (booklet maker only)......Page 832
Saddle-stapler assembly (booklet maker only)......Page 836
Positioning plate unit (inner side-plate assembly) (booklet maker only)......Page 837
Operation-tray assembly......Page 840
Output-bin 1......Page 845
Output-bin 2......Page 847
Upper output bin (stapler-stacker only)......Page 849
Buffer rollers......Page 850
Booklet-delivery output bin (booklet maker only)......Page 851
Booklet-delivery output bin unit (booklet maker only)......Page 852
Return roller unit......Page 853
Pressure roller unit......Page 855
Entrance upper guide unit......Page 860
Upper-delivery guide (booklet maker only)......Page 862
Inlet feed unit (stapler-stacker only)......Page 863
Inlet feed unit (booklet maker only)......Page 866
Paper-folding roller (booklet maker only)......Page 869
Stacker controller PCA......Page 874
Saddle-stitcher controller PCA (booklet maker only)......Page 875
Manual sensor test......Page 876
Component test......Page 877
LED diagnostics......Page 878
Cross sections......Page 880
Sensors......Page 883
Microswitches......Page 887
Solenoids......Page 889
Motors......Page 891
Clutches......Page 893
PCA......Page 894
Variable resistors, LED, and check pins......Page 897
Circuit diagrams......Page 900
Adjust the staple position......Page 905
Adjust the folding position to the stitch position (Booklet maker only)......Page 907
Adjust the stitcher unit......Page 910
Parts and diagrams......Page 913
Orderable and non-orderable parts......Page 914
Printer supplies and accessories......Page 916
Printer parts......Page 920
Input trays......Page 964
Intermediate paper-transfer unit (IPTU)......Page 982
Stapler/stacker and booklet-maker......Page 993
Automatic document feeder (ADF) assemblies......Page 1064
Scanner assemblies......Page 1080
Alphabetical parts list......Page 1114
Numerical parts list......Page 1142
Service and support......Page 1171
Hewlett-Packard limited warranty statement......Page 1172
Product specifications......Page 1175
Physical specifications......Page 1176
Considerations for "pre-flighting" a LaserJet......Page 1177
Electrical specifications......Page 1178
Acoustic specifications......Page 1179
Environmental specifications......Page 1180
Regulatory information......Page 1181
Compliance with FCC regulations......Page 1182
Declaration of Conformity......Page 1183
HP LaserJet print supplies......Page 1184
Material restrictions......Page 1185
Material Safety Data Sheet (MSDS)......Page 1186
For more information......Page 1187
Hard-disk-drive memory......Page 1188
EMI statement (Taiwan)......Page 1189
Laser statement for Finland......Page 1190
Substances Table (China)......Page 1191
Index......Page 1193