Remove the formatter PCA ............................................................................... 55 Wireless PCA ..................................................................................................................... 57 Remove the wireless PCA ................................................................................ 57 Laser/scanner assembly .................................................................................................... 58 Remove the laser/scanner assembly ................................................................ 58 Reinstall the laser/scanner assembly ................................................................
60 Pickup assembly ................................................................................................................ 61 Remove the pickup assembly ........................................................................... 61 Reinstall the pickup assembly ........................................................................... 65 Fuser .................................................................................................................................. 67 Remove the fuser ..............................................................................................
67 Reinstall the fuser ............................................................................................. 71 Main motor ......................................................................................................................... 72 Remove the main motor .................................................................................... 72 Reinstall the main-motor drive belt .................................................................... 76 Pickup solenoid ..................................................................................................................
77 Remove the pickup solenoid ............................................................................. 77 Engine controller PCA ....................................................................................................... 80 Remove the engine controller PCA ................................................................... 80 Reinstall the engine controller PCA .................................................................. 84 3 Solve problems .............................................................................................................................................
87 Solve problems checklist .................................................................................................................... 88 Troubleshooting process .................................................................................................................... 91 Determine the problem source ......................................................................................... 91 Power subsystem .............................................................................................................. 92 Power-on checks ...............................................................................................
92 Tools for troubleshooting .................................................................................................................... 93 Individual component diagnostics ...................................................................................... 93 Engine diagnostics ............................................................................................ 93 Engine-test button ............................................................................ 93 Components tests ............................................................................................. 94 Drum rotation functional check ........................................................
94 Half self-test functional check ........................................................... 94 Diagrams ........................................................................................................................... 95 Plug/jack locations ............................................................................................ 95 Location of connectors ...................................................................................... 96 Locations of major components ........................................................................ 97 General timing charts ........................................................................................
99 General circuit diagram ................................................................................... 100 Internal print-quality test pages ........................................................................................ 102 Cleaning page ................................................................................................. 102 Configuration page .......................................................................................... 102 ENWW vii