Ricoh D143 Field Service Manual page 15

Paper Exit Fan............................................................................................................................................285
When installing the paper exit fan.................................................................................................. 285
AC Controller Board Fan..........................................................................................................................286
When installing the AC controller fan............................................................................................. 286
Fusing Entrance Thermopiles.................................................................................................................... 286
When cleaning the lens of the thermopile...................................................................................... 287
Pressure Roller HP Sensor......................................................................................................................... 288
QSU fan..................................................................................................................................................... 289
Fusing Unit Shutter Plate Drive Motor...................................................................................................... 290
Fusing Unit Shutter Plate Home Position Sensor......................................................................................292
Fusing Unit Shutter Plate Drive Mechanism............................................................................................. 293
Paper Feed..................................................................................................................................................... 297
Paper Feed Unit......................................................................................................................................... 297
Pick-Up, Feed and Separation Rollers.....................................................................................................298
Tray 1 and Tray 2.............................................................................................................................298
Tray Lift Motor............................................................................................................................................299
Vertical Transport, Paper Overflow, Paper End and Paper Feed Sensor.............................................299
Registration Sensor....................................................................................................................................300
By-pass Paper Size Sensor and By-pass Paper Length Sensor............................................................. 301
When reinstalling the by-pass paper size sensor.......................................................................... 302
By-pass Bottom Tray..................................................................................................................................303
By-pass Paper End Sensor........................................................................................................................305
By-pass Pick-up, Feed and Separation Roller, Torque Limiter...............................................................306
By-pass Feed Clutch..................................................................................................................................307
Paper Exit Unit........................................................................................................................................... 308
Fusing Exit, Paper Overflow, Junction Paper Jam and Paper Exit Sensor............................................ 309
Duplex Unit.....................................................................................................................................................312
Duplex Unit................................................................................................................................................ 312
Duplex Door Sensor..................................................................................................................................313
Duplex Entrance Sensor............................................................................................................................314
Duplex Exit Sensor.................................................................................................................................... 315
Electrical Components...................................................................................................................................316
Boards........................................................................................................................................................ 316
13