Rear cover, simplex product .............................................................................................. 63 Remove the rear cover, simplex product .......................................................... 63 Face-down cover ............................................................................................................... 65 Remove the face-down cover ........................................................................... 65 Main assemblies .................................................................................................................................
67 Formatter PCA ................................................................................................................... 67 Laser/scanner assembly .................................................................................................... 68 Remove the laser/scanner assembly ................................................................ 68 Reinstall the laser/scanner assembly ................................................................ 71 Pickup assembly ................................................................................................................
72 Remove the pickup assembly ........................................................................... 72 Reinstall the pickup assembly ........................................................................... 78 Fuser .................................................................................................................................. 80 Remove the fuser .............................................................................................. 80 Reinstall the fuser .............................................................................................
86 Main motor ......................................................................................................................... 87 Remove the main motor .................................................................................... 87 Reinstall the main-motor drive belt .................................................................... 92 Pickup solenoid .................................................................................................................. 93 Remove the pickup solenoid .............................................................................
93 Engine controller PCA ....................................................................................................... 97 Remove the engine controller PCA ................................................................... 97 Reinstall the engine controller PCA ................................................................ 102 Duplex-reverse solenoid, duplex product ........................................................................ 104 Remove the duplex-reverse solenoid .............................................................. 104 Main fan, duplex product .................................................................................................
107 Remove the main fan ...................................................................................... 107 Reinstall the main fan ...................................................................................... 109 Duplex-connector PCA, duplex product ........................................................................... 110 Remove the duplex-connector PCA ................................................................ 110 3 Solve problems ...........................................................................................................................................
113 Solve problems checklist .................................................................................................................. 114 Troubleshooting process .................................................................................................................. 116 Determine the problem source ....................................................................................... 116 Power subsystem ............................................................................................................ 117 Power-on checks .............................................................................................
117 Tools for troubleshooting .................................................................................................................. 118 Individual component diagnostics .................................................................................... 118 Engine diagnostics .......................................................................................... 118 Engine-test button .......................................................................... 118 Components tests ........................................................................................... 119 Drum rotation functional check ...................................................... 119 ENWW vii