6
Removal and replacement
Introduction
.........................................................................................................................................
90
Removal and replacement strategy
...................................................................................................
90
Electrostatic discharge
.......................................................................................................................
90
Required tools
...................................................................................................................................
90
Before performing service
..................................................................................................................
92
After performing service
.....................................................................................................................
92
Post-service test
.................................................................................................................................
93
Print-quality test
.................................................................................................................
93
Parts removal order
............................................................................................................................
94
Remove the print cartridges
...............................................................................................................
95
Rollers
................................................................................................................................................
96
Pickup roller
.......................................................................................................................
96
Separation roller
................................................................................................................
98
Transfer roller
...................................................................................................................................
100
Feed assembly
.................................................................................................................................
102
External panels, covers, and doors
..................................................................................................
103
Right cover
.......................................................................................................................
103
Left cover
.........................................................................................................................
105
Front door and Tray 1 or jam-access door
......................................................................
107
Control-panel module and photo-card reader PCA
.........................................................
111
Rear-side cover
...............................................................................................................
115
Rear-upper cover
.............................................................................................................
116
Rear door and rear-lower cover
.......................................................................................
117
Top cover
........................................................................................................................
119
Internal assemblies
..........................................................................................................................
122
Main motor
.......................................................................................................................
122
Fuser motor
.....................................................................................................................
123
Intermediate transfer belt (ITB)
........................................................................................
124
Reinstall the ITB
..............................................................................................
129
DC controller PCA
...........................................................................................................
131
Special consideration
......................................................................................
131
Remove the DC controller PCA
......................................................................
131
Formatter PCA
.................................................................................................................
134
Special consideration
......................................................................................
134
Remove the formatter PCA
.............................................................................
134
Power supply (high-voltage)
............................................................................................
136
Power supply (low-voltage)
..............................................................................................
140
Power supply (fuser)
........................................................................................................
146
Fuser
................................................................................................................................
149
7
Problem solve
Solve problems checklist
..................................................................................................................
154
ENWW
vii