Ricoh D023, Service Manual, Page: 20 / 1522

D023/D025 viii SM
4.10.1 GEAR UNIT..........................................................................4-76
When installing the drive unit.........................................................4-80
Adjustment after replacing the gear unit ........................................4-80
4.10.2 REGISTRATION MOTOR ....................................................4-82
4.10.3 PAPER FEED MOTOR ........................................................4-83
4.10.4 DRUM/DEVELOPMENT MOTORS FOR M, C, AND Y ........4-84
4.10.5 DRUM/DEVELOPMENT MOTOR-K.....................................4-85
4.10.6 ITB DRIVE MOTOR .............................................................4-85
4.10.7 FUSING/PAPER EXIT MOTOR ...........................................4-86
4.10.8 IMAGE TRANSFER BELT CONTACT MOTOR ...................4-86
4.10.9 PAPER TRANSFER CONTACT MOTOR ............................4-87
4.10.10 DUPLEX INVERTER MOTOR ..........................................4-88
4.10.11 DUPLEX/BY-PASS MOTOR.............................................4-90
4.10.12 TONER TRANSPORT MOTOR ........................................4-91
4.10.13 TONER COLLECTION UNIT ............................................4-92
4.10.14 PAPER FEED CLUTCHES...............................................4-93
4.10.15 DEVELOPMENT CLUTCH-Y............................................4-95
4.10.16 DEVELOPMENT CLUTCHES FOR M AND C..................4-97
4.10.17 DEVELOPMENT CLUTCH-K............................................4-98
4.11 FUSING.........................................................................................4-99
4.11.1 PM PARTS ...........................................................................4-99
4.11.2 FUSING UNIT ....................................................................4-100
4.11.3 PRESSURE ROLLER LAMP..............................................4-101
4.11.4 FUSING LAMP ...................................................................4-103
4.11.5 FUSING BELT AND PRESSURE ROLLER .......................4-104
When reassembling the fusing unit .............................................4-106
4.11.6 HEATING, FUSING AND TENSION ROLLER ...................4-108
4.11.7 HEATING ROLLER THERMOSTATS ................................4-108
4.11.8 HEATING ROLLER THERMISTOR ...................................4-109
4.11.9 PRESSURE ROLLER THERMISTOR
AND THERMOSTAT...........................................................4-110
4.11.10 FUSING GEAR AND ONE-WAY CLUTCH .....................4-111
4.11.11 HEATING ROLLER BEARING AND
INSULATING BUSHING .................................................4-111
4.11.12 PRESSURE ROLLER BEARING....................................4-112