Required tools.....................................................................................................................144
Before performing service...................................................................................................145
After completing service.....................................................................................................145
Screws that are used in the MFP........................................................................................146
User-replaceable parts........................................................................................................................147
Print cartridge......................................................................................................................148
Control-panel overlays........................................................................................................148
Control panel.......................................................................................................................149
Transfer roller......................................................................................................................150
ADF input tray.....................................................................................................................151
ADF pickup and feed rollers...............................................................................................153
ADF separation pad............................................................................................................154
ADF delivery guide (clear mylar sheet)..............................................................................155
Output-bin assembly...........................................................................................................157
Duplex-printing unit.............................................................................................................158
Fuser-entrance guide..........................................................................................................159
Fuser...................................................................................................................................160
Tray 2, 3, 4, or 5 pickup and feed rollers............................................................................161
Tray 1 pickup roller.............................................................................................................162
Scanner filter cover and scanner filter................................................................................163
ADF-hinge flap....................................................................................................................164
Formatter cover and formatter............................................................................................166
Hard drive...........................................................................................................................168
DIMMs.................................................................................................................................170
Flash memory card (firmware)............................................................................................171
Fax accessory.....................................................................................................................172
Covers, doors, and external panels.....................................................................................................173
Top-cover flatbed flange.....................................................................................................174
Front cover..........................................................................................................................175
Back cover..........................................................................................................................179
Internal assemblies..............................................................................................................................181
Reversing-separation-guide assembly ..............................................................................182
Reversing assembly............................................................................................................183
Main fan (FN101) and reversing-unit fan (FN103).............................................................188
Thermistor (TH3).................................................................................................................193
Tray 2 jam-access-cover switch (SW105)..........................................................................195
Tray 1 assembly..................................................................................................................197
Front-cover support.............................................................................................................200
Tray 1 feed-assembly.........................................................................................................201
Feed-roller assembly..........................................................................................................208
DC controller.......................................................................................................................211
Main motor (M101)..............................................................................................................214
DC controller fan (FN104)...................................................................................................215
Print-cartridge fan (FN102).................................................................................................217
Print-cartridge motor (M102)...............................................................................................219
Top-cover switch (SW101).................................................................................................221
Registration assembly........................................................................................................223
Paper-pickup-drive assembly ............................................................................................227
Lifter-drive assembly...........................................................................................................231
Power-factor-correction (PFC) power supply.....................................................................234
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