Ricoh D093 Service Manual page 18

5.2.4 ORIGINAL FEED UNIT ROLLERS ................................................. 5-16
5.2.5 EXPOSURE GLASS ....................................................................... 5-18
5.2.6 CIS .................................................................................................. 5-20
5.2.7 VDB, SIF, CGB POWER PACK ...................................................... 5-23
5.2.8 OPERATION PANEL BOARDS ...................................................... 5-25
Removing the Operation Panel .......................................................... 5-25
LCDC, Inverter, LCD Display Window, LCD Unit ............................... 5-26
OP-R Board ........................................................................................ 5-27
OP-L Board ........................................................................................ 5-28
Touch Screen Calibration ................................................................... 5-28
5.3 AROUND THE DRUM ............................................................................. 5-30
5.3.1 CHARGE CORONA UNIT .............................................................. 5-30
Charge Corona Wire, Grid Wire, Wire Cleaner .................................. 5-30
Disassembling the Charge Corona Unit ............................................. 5-31
5.3.2 QUENCHING LAMP UNIT, QUENCHING LAMPS ......................... 5-32
5.3.3 WIRE CLEANER MOTOR, WIRE CLEANER SENSOR ................. 5-33
5.3.4 LPH ................................................................................................. 5-34
5.3.5 TRANSFER CORONA, SEPARATION CORONA WIRES ............. 5-36
5.4 DEVELOPMENT ...................................................................................... 5-38
5.4.1 DEVELOPMENT UNIT ................................................................... 5-38
5.4.2 DEVELOPER .................................................................................. 5-39
5.4.3 PAPER SET SENSOR, REGISTRATION SENSOR ....................... 5-42
5.4.4 TONER SUPPLY CLUTCH ............................................................. 5-42
5.4.5 DEVELOPMENT FILTER ............................................................... 5-43
5.4.6 USED TONER COLLECTION BOTTLE, TONER OVERFLOW
SENSOR .................................................................................................. 5-44
5.5 DRUM ...................................................................................................... 5-45
5.5.1 DRUM UNIT .................................................................................... 5-45
5.5.2 CLEANING BLADE ......................................................................... 5-48
5.5.3 ID SENSOR, PICK-OFF PAWLS, PICK-OFF PAWL SOLENOID ... 5-49
5.6 PAPER FEED .......................................................................................... 5-50
5.6.1 REGISTRATION CLUTCH, REGISTRATION ROLLER ................. 5-50
5.6.2 ROLL 1 PAPER FEED CLUTCH, FEED ROLLER ......................... 5-52
5.6.3 ROLL 2 PAPER CLUTCH, FEED ROLLER .................................... 5-53
5.6.4 RF EXIT SENSOR .......................................................................... 5-54
5.6.5 ROLL FEED MOTOR ...................................................................... 5-55
5.6.6 CUTTER MOTOR, HP SENSORS ................................................. 5-56
5.6.7 ROLL PAPER END SENSORS ...................................................... 5-57
D093/D094 vi SM