HP — HP Color Laserjet CP4020, CP4520 (service manual (EN)

Repetitive defects ruler ................................................................................... 312 Calibrate the product ....................................................................................... 313 Control panel menus ........................................................................................................ 314 Control panel menus ....................................................................................... 314 Show Me How menu ...................................................................... 314 Retrieve job menu ..........................................................................

314 Information menu ............................................................................ 317 Paper handling menu ..................................................................... 317 Manage supplies menu .................................................................. 318 Configure device menu ................................................................... 321 Diagnostics menu ........................................................................... 342 Service menu .................................................................................. 344 Interpret control-panel messages ....................................................................................

345 Control-panel message types ......................................................................... 345 Control-panel messages ................................................................................. 345 Event log messages ........................................................................................................ 376 Print an event log ............................................................................................ 376 Show an event log ........................................................................................... 376 Sample event log ............................................................................................

377 Clear the event log .......................................................................................... 377 Event log message table ................................................................................. 378 Clear paper jams .............................................................................................................................. 383 Common causes of jams ................................................................................................. 383 Jam locations ...................................................................................................................

386 Clear jams in the right door .............................................................................................. 387 Clear jams in the output bin area ..................................................................................... 390 Clear jams in Tray 1 ......................................................................................................... 390 Clear jams in Tray 2 or optional Trays 3, 4, or 5 .............................................................. 392 Clear jams in the lower right door (Tray 3, 4, or 5) ..........................................................

393 Jam causes and solutions ............................................................................................... 394 Jams in the output bin ..................................................................................... 394 Jams in the fuser and transfer area ................................................................ 394 Jams in the duplex area (HP Color LaserJet CP4525dn, HP Color LaserJet CP4025dn, and HP Color LaserJet CP4525xh only) ...................................... 397 Jams in Tray 1, Tray 2 and internal paper path ..............................................

399 Jams in Tray 3, 4, and 5 .................................................................................. 400 Change jam recovery ....................................................................................................... 402 Solve paper-handling problems ........................................................................................................ 403 Product feeds multiple sheets .......................................................................................... 403 Product feeds incorrect page size ...................................................................................

403 Product pulls from incorrect tray ...................................................................................... 403 Paper does not feed automatically .................................................................................. 404 Paper does not feed from Tray 2, 3, 4, or 5 ..................................................................... 404 Transparencies or glossy paper will not feed .................................................................. 405 xii ENWW