Ricoh M001 Service Manual page 14

3.3.4 FRONT COVER................................................................................ 3-6
3.3.5 RIGHT COVER ................................................................................. 3-7
3.4 LASER UNIT .............................................................................................. 3-8
3.4.1 CAUTION DECAL LOCATIONS ....................................................... 3-8
3.4.2 POLYGON MIRROR MOTOR .......................................................... 3-9
3.4.3 LASER SYNCHRONIZATION DETECTOR .................................... 3-10
3.4.4 LASER UNIT................................................................................... 3-11
3.4.5 LASER DIODE UNIT ...................................................................... 3-12
3.4.6 LASER BEAM PITCH ADJUSTMENT ............................................ 3-12
3.5 TRANSFER ROLLER .............................................................................. 3-14
3.6 TONER END SENSOR............................................................................ 3-15
3.7 FUSING ................................................................................................... 3-16
3.7.1 FUSING UNIT ................................................................................. 3-16
3.7.2 HOT ROLLER AND FUSING LAMP ............................................... 3-17
3.7.3 PRESSURE ROLLER ..................................................................... 3-19
3.7.4 THERMISTOR AND THERMOSTAT .............................................. 3-20
3.7.5 HOT ROLLER STRIPPERS............................................................ 3-21
3.8 PAPER FEED .......................................................................................... 3-22
3.8.1 PAPER FEED ROLLER .................................................................. 3-22
3.8.2 FRICTION PAD............................................................................... 3-23
3.9 BY-PASS TRAY ....................................................................................... 3-24
3.10 PRINTER CONTROLLER BOARD .................................................... 3-25
3.11 ENGINE BOARD................................................................................ 3-26
3.12 MAIN MOTOR .................................................................................... 3-27
3.13 CLUTCHES ........................................................................................ 3-28
3.13.1 BY-PASS FEED CLUTCH AND RELAY CLUTCH .................... 3-29
3.13.2 PAPER FEED CLUTCH AND REGISTRATION CLUTCH ........ 3-30
3.14 PSU, HVPS ........................................................................................ 3-31
3.15 FANS.................................................................................................. 3-33
3.15.1 COOLING FAN.......................................................................... 3-33
3.15.2 PSU FAN................................................................................... 3-34
M001 ii SM