Event log .........................................................................................................................431 Diagnostics ............................................................................................................................433 Diagnostics flowchart ......................................................................................................433 Engine diagnostics .........................................................................................................434 Diagnostics from the Control Panel ......................................................................................436 Printer display menu .......................................................................................................436 Diagnostics test menu ....................................................................................................436 Paper Path Test ..............................................................................................................439 Component Test – special mode test .............................................................................439 Print/Stop Test ................................................................................................................442 Information menu ............................................................................................................443 Configure device menu/printing menu ............................................................................443 Configure device menu/resets menu ..............................................................................443 Configure device menu/print quality menu .....................................................................443 Test pages .............................................................................................................................445 Engine test page .............................................................................................................445 Formatter test page ........................................................................................................445 Engine resets ........................................................................................................................446 Cold reset .......................................................................................................................446 NVRAM initialization .......................................................................................................446 Calibration bypass ..........................................................................................................447 Calibrate Now .................................................................................................................447 Service menu ........................................................................................................................448 Accessing the Service menu ..........................................................................................448 Diagrams ...............................................................................................................................450 Main parts .......................................................................................................................451 Switches .........................................................................................................................452 Sensors ...........................................................................................................................453 Solenoids and clutches ...................................................................................................454 Motors and fans ..............................................................................................................455 PCBs ...............................................................................................................................456 Connector locations ........................................................................................................458 500-sheet paper feeder connectors ...............................................................................462 General circuit diagram ..................................................................................................463 8 Parts and diagrams Chapter contents ...................................................................................................................465 Introduction ............................................................................................................................466 Ordering parts .......................................................................................................................467 Supplies and accessories ...............................................................................................467 Replacement parts configuration ....................................................................................473 Illustrations and parts lists .....................................................................................................478 Alphabetical parts list.............................................................................................................538 Numerical parts list.................................................................................................................551 Index xii ENWW