Individual component diagnostics ..................................................................................................... 459
Paper-path-sensor test ..................................................................................................... 459
Manual sensor test ............................................................................................................ 459
Scanner tests .................................................................................................................... 460
Component test ................................................................................................................. 461
Service ID .......................................................................................................................................... 462
Restoring the Service ID ................................................................................................... 462
Converting the service ID to an actual date ...................................................................... 462
Troubleshooting the embedded HP Jetdirect print server ................................................................. 463
Firmware-stack trace ......................................................................................................................... 464
Solve common Windows problems .................................................................................................. 465
Solve common Macintosh problems ................................................................................................. 466
Solve Linux problems ........................................................................................................................ 469
Solve PostScript problems ................................................................................................................ 470
General problems ............................................................................................................. 470
7 Parts and diagrams
Order parts, accessories, and supplies ............................................................................................. 472
Order directly from HP ...................................................................................................... 472
Order through service or support providers ...................................................................... 472
Order directly through the embedded Web server ........................................................... 472
How to use the parts lists and diagrams ........................................................................................... 472
Screws that are used in the MFP ...................................................................................................... 473
Customer-replaceable parts and accessories ................................................................................... 474
Accessories ....................................................................................................................... 474
Customer-replaceable components (print engine) ........................................................... 476
Customer-replaceable components (ADF and scanner) .................................................. 478
Cables and interfaces ....................................................................................................... 4
80
Control panel and control-panel overlays ......................................................................... 483
Memory ............................................................................................................................. 485
Print cartridge and maintenance kits ................................................................................ 487
Documentation, software, and training material ................................................................................ 490
Assembly locations ............................................................................................................................ 492
External components ......................................................................................................................... 496
Print-engine internal components ...................................................................................................... 498
Upper-plate assembly ....................................................................................................... 498
Internal components (1 of 5) ............................................................................................. 500
Internal components (2 of 5) ............................................................................................. 502
Internal components (3 of 5) ............................................................................................. 504
Internal components (4 of 5) ............................................................................................. 506
Internal components (5 of 5) ............................................................................................. 508
Electrical/forward assembly .............................................................................................. 510
Main drive assembly ......................................................................................................... 512
Paper-pickup-drive assembly ........................................................................................... 514
Lifter-drive assembly ......................................................................................................... 516
Cassette ............................................................................................................................ 518
Paper-feed roller assembly ............................................................................................... 520
Registration assembly ...................................................................................................... 522
Multipurpose assembly ..................................................................................................... 524
Reverse assembly ............................................................................................................ 526
ENWW xiii
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