1 x 500 paper feeder ...................................................................... 420 Sensors ........................................................................................................... 421 General timing chart ........................................................................................ 423 Circuit diagrams .............................................................................................. 423 Print-quality troubleshooting tools .................................................................................... 427 Repetitive defects ruler ...................................................................................
428 Calibrate the product ....................................................................................... 430 Internal print-quality test pages ........................................................................................ 431 Print-quality-troubleshooting pages ................................................................. 431 Diagnostics page ............................................................................................. 434 Cleaning page ................................................................................................. 435 Configuration pages ........................................................................................
436 Configuration page ......................................................................... 436 HP embedded Jetdirect page ......................................................... 438 Embedded protocol page ............................................................... 439 Finding important information on the configuration pages .............. 440 Color-band test ................................................................................................ 440 Control-panel messages ..................................................................................................................
441 Event log messages ......................................................................................................................... 468 Print an event log ............................................................................................................. 468 Show an event log ........................................................................................................... 468 Clear the event log ........................................................................................................... 468 Event log message table .................................................................................................
468 Clear paper jams .............................................................................................................................. 472 Common causes of jams ................................................................................................. 472 Jam locations ................................................................................................................... 473 Clear jams ........................................................................................................................ 473 Clear jams in the right door .............................................................................
475 Clear jams in the output bin area .................................................................... 479 Clear jams in Tray 1 ........................................................................................ 480 Clear jams in Tray 2 ........................................................................................ 482 Clear jams in the optional 500-sheet paper and heavy media tray (Tray 3) ............................................................................................................ 483 Clear jams in the lower right door (Tray 3) ......................................................
484 Clear jams in the document feeder ................................................................. 485 Jam recovery ................................................................................................................... 486 Solve paper-handling problems ........................................................................................................ 487 Product feeds multiple sheets .......................................................................................... 487 Product feeds incorrect page size ...................................................................................
487 Product pulls from incorrect tray ...................................................................................... 487 Paper does not feed automatically .................................................................................. 488 Paper does not feed from Tray 2 or 3 .............................................................................. 488 Transparencies or glossy paper will not feed .................................................................. 489 Envelopes jam or will not feed in the product .................................................................. 489 xii ENWW