Reinstall the cassette-pickup drive assembly ................................. 261
Cassette-pickup assembly ............................................................................................... 263
Remove the cassette-pickup assembly ........................................................... 263
Laser/scanner assembly (Y/M) ........................................................................................ 265
Remove the laser/scanner assembly (Y/M) .................................................... 265
Laser/scanner assembly (C/Bk) ....................................................................................... 272
Remove the laser/scanner assembly (C/Bk) ................................................... 273
Reinstall the protective glass cleaner (PGC) actuators .................. 276
High-voltage power supply upper (HVPS-T) .................................................................... 279
Remove the high-voltage power supply upper ................................................ 279
Reinstall the high-voltage power supply upper ............................... 282
Drum motor 1 ................................................................................................................... 283
Remove the drum motor 1 .............................................................................. 283
Drum motor 2 or drum motor 3 ........................................................................................ 284
Remove the drum motor 2 or drum motor 3 .................................................... 284
Fuser motor ..................................................................................................................... 285
Remove the fuser motor .................................................................................. 286
Main-drive assembly ........................................................................................................ 287
Remove the main-drive assembly ................................................................... 288
Reinstall the main-drive assembly .................................................. 292
Fuser-drive assembly ...................................................................................................... 298
Remove the fuser-drive assembly ................................................................... 299
Reinstall the fuser-drive assembly .................................................. 302
Delivery assembly ............................................................................................................ 303
Remove the delivery assembly ....................................................................... 304
Reinstall the delivery assembly ...................................................... 307
Duplex-drive assembly .................................................................................................... 308
Remove the duplex-drive assembly ................................................................ 309
Optional paper feeder assembly (Tray 3) ......................................................................................... 310
Drawer connector ........................................................................................................... 310
7 Solve problems
Solve problems checklist .................................................................................................................. 312
Menu map ........................................................................................................................................ 314
Troubleshooting process .................................................................................................................. 315
Determine the problem source ........................................................................................ 315
Pre-troubleshooting checklist .......................................................................... 315
Troubleshooting flowchart ............................................................................... 316
Power subsystem ............................................................................................................ 317
Power-on checks ............................................................................................. 317
Power-on troubleshooting overview ............................................... 317
Tools for troubleshooting .................................................................................................................. 319
Individual component diagnostics .................................................................................... 319
ENWW ix
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