500-sheet feeder cassette (tray 3) ................................................................................... 382
500-sheet feeder, cassette, external panels and covers ................................................. 384
500-sheet feeder internal components ............................................................................ 386
500-sheet feeder paper-pickup assembly ........................................................................ 388
500-sheet feeder drive assembly ..................................................................................... 390
500-sheet feeder lifter-drive assembly ............................................................................. 392
Duplexer .......................................................................................................................... 394
Duplexing PCA assembly ................................................................................................ 398
Duplexing-feed drive assembly ........................................................................................ 400
7 HP LaserJet 9000/9040/9050 Series printers
Support URLs ................................................................................................................................... 404
Model number information ................................................................................................................ 405
Accessories/Consumables ............................................................................................................... 407
Repetitive defect intervals ................................................................................................................ 410
Service information ........................................................................................................................... 411
Service information for all models .................................................................................... 411
Service information for HP LaserJet 9000 model ............................................................ 414
Service information for HP LaserJet 9040/9050 models ................................................. 415
Error codes ....................................................................................................................................... 417
Parts and diagrams .......................................................................................................................... 438
External covers and panels ............................................................................................. 438
Left door and diverter ....................................................................................................... 440
Right cover assembly ...................................................................................................... 442
Internal components ........................................................................................................ 444
Drum feed drive assembly ............................................................................................... 452
Fuser delivery drive assembly ......................................................................................... 454
Cartridge lifter assembly .................................................................................................. 456
500-sheet trays (tray 2 and tray 3) ................................................................................... 458
Paper input unit ................................................................................................................ 460
Registration assembly ..................................................................................................... 462
Transfer roller assembly .................................................................................................. 464
Delivery assembly ............................................................................................................ 466
PCA assembly location .................................................................................................... 468
Tray 4 main body ............................................................................................................. 470
Tray 4 drive assembly ...................................................................................................... 474
Tray 4 PCA location ......................................................................................................... 476
Tray 1 assembly .............................................................................................................. 478
8 HP LaserJet 9000mfp/9000Lmfp/9040mfp/9050mfp
Support URLs ................................................................................................................................... 482
Model number information ................................................................................................................ 483
Accessories/Consumables ............................................................................................................... 486
Repetitive defect intervals ................................................................................................................ 489
Service information ........................................................................................................................... 490
Service information for all mfp models ............................................................................. 490
Service information for HP LaserJet 9000mfp and 9000Lmfp models ............................ 492
Service information for HP LaserJet 9040mfp and 9050mfp models .............................. 494
Error codes ....................................................................................................................................... 496
Parts and diagrams .......................................................................................................................... 522
ENWW vii
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