Ricoh D017 Service Manual page 18

Reassembling ....................................................................................... 4-9
4.3.4 SCANNER MOTOR ........................................................................ 4-10
4.3.5 SENSOR BOARD UNIT (SBU) ....................................................... 4-11
Monochrome Scanner Unit (D017/D019) ........................................... 4-11
Color Scanner Unit (D018/D020/D084/D085)..................................... 4-12
When reassembling ............................................................................ 4-13
4.3.6 EXPOSURE LAMP STABILIZER .................................................... 4-13
4.3.7 FRONT SCANNER WIRE ............................................................... 4-14
Reinstalling the Front Scanner Wire ................................................... 4-14
4.3.8 REAR SCANNER WIRE ................................................................. 4-17
Reinstalling the Rear Scanner Wire ................................................... 4-17
4.3.9 TOUCH PANEL POSITION ADJUSTMENT ................................... 4-18
4.4 LASER UNIT ............................................................................................ 4-19
4.4.1 CAUTION DECAL LOCATIONS ..................................................... 4-19
4.4.2 LASER UNIT ................................................................................... 4-20
4.4.3 POLYGON MIRROR MOTOR ........................................................ 4-22
4.4.4 LD UNIT .......................................................................................... 4-22
4.4.5 LASER SYNCHRONIZATION DETECTOR .................................... 4-23
4.5 PHOTOCONDUCTOR UNIT (PCU) ......................................................... 4-24
4.5.1 PCU REMOVAL .............................................................................. 4-24
4.5.2 PICK-OFF PAWLS .......................................................................... 4-25
4.5.3 OPC DRUM .................................................................................... 4-25
4.5.4 CHARGE ROLLER, CLEANING ROLLER ...................................... 4-27
4.5.5 CLEANING BLADE ......................................................................... 4-28
4.5.6 DEVELOPER .................................................................................. 4-29
PCU Reassembly ............................................................................... 4-32
4.5.7 AFTER REPLACEMENT OF PCU COMPONENTS ....................... 4-33
4.6 TRANSFER UNIT .................................................................................... 4-35
4.6.1 TRANSFER ROLLER UNIT ............................................................ 4-35
4.6.2 IMAGE DENSITY SENSOR ............................................................ 4-36
4.7 FUSING/EXIT........................................................................................... 4-37
4.7.1 FUSING UNIT ................................................................................. 4-37
4.7.2 THERMISTORS .............................................................................. 4-38
4.7.3 THERMOSTATS ............................................................................. 4-38
4.7.4 HOT ROLLER AND FUSING LAMPS ............................................. 4-40
Reinstallation ...................................................................................... 4-41
D017/D018/D019/D020/D084/D085 vi SM