Ricoh D093 Service Manual page 17

PREVENTIVE MAINTENANCE
4. PREVENTIVE MAINTENANCE .................................................... 4-1
4.1 PM TABLES ............................................................................................... 4-1
4.1.1 MAIN MACHINE (D093/D094) .......................................................... 4-1
4.1.2 ROLL FEEDER (D503/D504) ........................................................... 4-5
4.1.3 PAPER CASSETTE (B853) .............................................................. 4-5
4.2 CLEANING POINTS .................................................................................. 4-6
4.2.1 ENTRANCE SPURS ......................................................................... 4-6
4.2.2 CORONA WIRE CLEANING ............................................................ 4-7
Transfer/Separation Corona Unit ......................................................... 4-7
Charge Corona Unit ............................................................................. 4-8
4.2.3 LPH CLEANING ............................................................................... 4-9
4.2.4 IDLE REGISTRATION ROLLER PANEL .......................................... 4-9
4.3 LUBRICATION POINTS .......................................................................... 4-10
4.3.1 DEVELOPMENT GEARS ............................................................... 4-10
4.3.2 FUSING GEARS ............................................................................. 4-10
REPLACEMENT AND ADJUSTMENT
5. REPLACEMENT AND ADJUSTMENT ........................................ 5-1
5.1 COMMON PROCEDURES ........................................................................ 5-1
5.1.1 BEFORE WORKING ON THE MAIN MACHINE ............................... 5-1
5.1.2 SIDE COVERS ................................................................................. 5-2
5.1.3 REAR COVER, CONTROLLER COVER .......................................... 5-3
5.1.4 PAPER EXIT UNIT ........................................................................... 5-4
5.1.5 UNLOCKING, OPENING THE ORIGINAL UNIT .............................. 5-5
5.1.6 REMOVING THE ORIGINAL FEED UNIT ........................................ 5-6
5.1.7 RAISING AND LOCKING THE SCANNER UNIT ............................. 5-7
5.1.8 TONER HOPPER COVER ............................................................... 5-8
5.1.9 IDLE REGISTRATION ROLLER PANEL .......................................... 5-9
5.1.10 ORIGINAL FEED TABLE, ORIGINAL FEED SENSOR COVER 5-10
5.1.11 DRAWER FRONT COVER ......................................................... 5-11
5.2 SCANNER ............................................................................................... 5-12
5.2.1 LED SAFETY SWITCHES .............................................................. 5-13
5.2.2 ORIGINAL WIDTH SENSORS, ORIGINAL SET SENSOR, SCANNER
SWITCH ................................................................................................... 5-14
5.2.3 ORIGINAL EXIT SENSOR .............................................................. 5-15
SM v D093/D094