View the event log on the control panel display ............................................... 523 Print the PQ troubleshooting pages ................................................................. 524 Diagnostics page .............................................................................................. 525 Disable cartridge check (special mode test) .................................................... 526 Paper path sensors (special mode test) .......................................................... 527 Paper path test .................................................................................................
527 Finishing paper path test .................................................................................. 528 Manual sensor test (special mode test) ........................................................... 528 Manual sensor test 2 (special mode test) ........................................................ 531 Component test (special mode test) ................................................................ 532 Print/Stop test ................................................................................................... 535 Colorband test ..................................................................................................
535 Information menu ............................................................................................. 535 Configure device menu/printing menu ............................................................. 536 Configure device menu/print quality menu ...................................................... 536 Configure device menu/resets menu ............................................................... 536 Test pages .........................................................................................................................................
537 Engine test page ............................................................................................................... 537 Formatter test page ........................................................................................................... 537 Engine resets ..................................................................................................................................... 538 Cold reset .......................................................................................................................... 538 To perform a cold reset ....................................................................................
538 NVRAM initialization ......................................................................................................... 538 To initialize NVRAM ......................................................................................... 538 Hard disk initialization (4700 models) ............................................................................... 539 To initialize the hard disk ................................................................................. 539 Calibration bypass ............................................................................................................
539 To bypass calibration ....................................................................................... 539 Quick Calibrate Now ......................................................................................................... 539 Full Calibrate Now ............................................................................................................. 539 Service menu ..................................................................................................................................... 541 Using the Service menu ....................................................................................................
541 Clear event log ................................................................................................. 541 Mono cycle count/Color cycle count ................................................................ 541 Serial number ................................................................................................... 541 Service ID ......................................................................................................... 541 Restoring the Service ID .................................................................................. 541 Converting the Service ID to an actual date ....................................................
542 Cold reset paper ............................................................................................... 542 Diagrams ........................................................................................................................................... 543 Main parts ......................................................................................................................... 543 Switches ............................................................................................................................ 545 Sensors .............................................................................................................................
546 Solenoids .......................................................................................................................... 547 Motors and fans ................................................................................................................ 548 PCBs ................................................................................................................................. 549 DC controller PCB ............................................................................................................. 550 Connectors ........................................................................................................................
551 General timing chart ......................................................................................................... 557 General circuit diagrams ................................................................................................... 558 xvi ENWW