Ricoh SP 8400DN Field Service Manual page 188

Toner Supply Motor ........................................................................................................................................ 353
Fusing Unit .......................................................................................................................................................... 356
Replacement .................................................................................................................................................... 356
Fusing Entrance Guide Plate ........................................................................................................................... 357
Fusing Exit Guide Plate................................................................................................................................... 358
Fusing Upper Cover ........................................................................................................................................ 358
Fusing Lower Cover ........................................................................................................................................ 359
Heating Sleeve Belt Unit ................................................................................................................................. 360
Pressure Roller, Pressure Roller Bearings and Pressure Roller Idler Gears ................................................... 362
Thermostat Unit ............................................................................................................................................... 364
Fusing Roller Temperature Sensors ................................................................................................................ 365
Pressure Roller Temperature Sensors ............................................................................................................. 365
Fusing Thermopiles ......................................................................................................................................... 366
Notes When Reassembling the Fusing Unit ................................................................................................... 366
Paper Exit ............................................................................................................................................................. 368
Paper Exit Unit ................................................................................................................................................ 368
Paper Exit Switching Solenoid........................................................................................................................ 369
Paper Exit Sensor ............................................................................................................................................ 369
Reverse Sensor ................................................................................................................................................ 370
Paper Exit Full Sensor ..................................................................................................................................... 371
Reverse Motor ................................................................................................................................................. 371
Fusing Exit Sensor .......................................................................................................................................... 373
Inverter Guide Cover Sensor ........................................................................................................................... 373
Paper Feed ........................................................................................................................................................... 375
Paper Feed Unit ............................................................................................................................................... 375
Paper Dust Collection Unit ............................................................................................................................. 379
Pick-up Roller, Paper Feed Roller, Separation Roller, Torque Limiter ......................................................... 380
1st / 2nd Paper Feed Tray Lift Motor ............................................................................................................. 381
1st / 2nd Paper Feed Sensor ............................................................................................................................ 382
Vertical Transport Sensor................................................................................................................................ 383
Limit Sensor .................................................................................................................................................... 384
1st Paper End Sensor / 2nd Paper End Sensor ................................................................................................ 385
Registration Sensor ......................................................................................................................................... 386
Duplex Unit ......................................................................................................................................................... 388
Duplex/By-pass Motor .................................................................................................................................... 388
Duplex Entrance Motor ................................................................................................................................... 389
Duplex Entrance Sensor .................................................................................................................................. 390
Duplex Exit Sensor .......................................................................................................................................... 391
Bypass Tray Unit ................................................................................................................................................. 393
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