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