Jam detection ................................................................................................................................... 152
Optional paper feeder ....................................................................................................................... 154
Paper-feeder pickup and feed operation ......................................................................... 156
Paper-size detection and cassette-presence detection ................................................... 156
Paper-feeder cassette lift operation ................................................................................. 158
Paper-feeder presence detection .................................................................................... 159
Paper-feeder multiple feed prevention ............................................................................. 160
Paper feeder jam detection .............................................................................................. 161
6 Removal and replacement
Introduction ....................................................................................................................................... 164
Removal and replacement strategy ................................................................................................. 164
Electrostatic discharge ..................................................................................................................... 164
Required tools ................................................................................................................................. 165
Before performing service ................................................................................................................ 165
After performing service ................................................................................................................... 166
Post-service test ............................................................................................................................... 166
Print-quality test ............................................................................................................... 166
DC controller connector locations .................................................................................................... 167
Parts removal order .......................................................................................................................... 168
Customer self repair (CSR) components ......................................................................................... 170
Print cartridges ................................................................................................................. 170
Duplex-reverse guide ....................................................................................................... 172
Toner-collection unit ........................................................................................................ 173
Formatter PCA ................................................................................................................. 175
Memory DIMM ................................................................................................................. 176
Remove the memory DIMM ............................................................................ 176
Enable memory for Windows .......................................................... 177
Tray cassette ................................................................................................................... 178
Fuser ............................................................................................................................... 179
Pickup roller (Tray 2) ....................................................................................................... 180
Pickup and feed rollers (Tray 3) ....................................................................................... 182
Separation roller (Tray 2) ................................................................................................. 183
Secondary transfer roller ................................................................................................. 184
Reinstall the transfer roller .............................................................................. 185
Secondary transfer assembly .......................................................................................... 186
Reinstall the secondary transfer assembly ..................................................... 187
Intermediate transfer belt (ITB) ........................................................................................ 188
Right door (optional paper feeder) ................................................................................... 190
External panels, covers, and doors .................................................................................................. 192
Identification and location ................................................................................................ 192
Front-door assembly ........................................................................................................ 193
Right-door assembly ........................................................................................................ 194
ENWW vii
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