Sensors on the reversing unit (top side) .......................................................... 205
Sensors in the interior of the MFP ................................................................... 206
Output-bin detection switch, SW103 ................................................................ 207
Tray 1 paper-present sensor, PS105 ............................................................... 207
Top-cover switch, SW101 ................................................................................ 208
Tray 2 jam-access-cover switch, SW105 ......................................................... 208
Motors, fans, solenoids, and clutch .................................................................................. 208
Front-side fans ................................................................................................. 209
Rear-side fans .................................................................................................. 210
Rear-side motors (1 of 2) ................................................................................. 210
Rear-side motors (2 of 2) ................................................................................. 211
Rear-side solenoid ........................................................................................... 212
Reversing-unit motors and solenoids .............................................................. 213
Right, rear corner components (1 of 2) ............................................................ 214
Right, rear corner components (2 of 2) ............................................................ 215
Scanner and ADF components ......................................................................................... 215
ADF output-bin-full sensor ............................................................................... 215
ADF pickup assembly sensors ......................................................................... 216
ADF motors, solenoid, and sensors ................................................................. 216
5 Removal and replacement
Service approach ............................................................................................................................... 220
Removal and replacement strategy ................................................................................................... 221
Required tools ................................................................................................................... 221
Before performing service ................................................................................................. 221
After completing service ................................................................................................... 222
Screws that are used in the MFP ..................................................................................... 222
User-replaceable parts ...................................................................................................................... 224
Print cartridge .................................................................................................................... 224
Control-panel overlays ...................................................................................................... 224
Control panel ..................................................................................................................... 225
Transfer roller .................................................................................................................... 226
ADF input tray ................................................................................................................... 227
ADF pickup and feed rollers ............................................................................................. 228
ADF separation pad .......................................................................................................... 229
ADF delivery guide (clear mylar sheet) ............................................................................ 231
Output-bin assembly ......................................................................................................... 233
Duplex-printing unit ........................................................................................................... 234
Fuser-entrance guide ........................................................................................................ 235
Fuser ................................................................................................................................. 235
Tray 2, 3, 4, or 5 pickup and feed rollers .......................................................................... 236
Tray 1 pickup roller ........................................................................................................... 237
Scanner filter cover and scanner filter .............................................................................. 238
ADF-hinge flap .................................................................................................................. 239
Formatter cover and formatter .......................................................................................... 240
Hard drive ......................................................................................................................... 242
DIMM ................................................................................................................................. 243
Fax accessory ................................................................................................................... 244
Covers, doors, and external panels ................................................................................................... 246
Top-cover flatbed flange ................................................................................................... 246
ENWW ix
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