Ricoh M160 Service Manual page 9

4.8.9 RELAY CLUTCH ............................................................................................... 4-27
4.8.10 BY-PASS BOTTOM PLATE CLUTCH ............................................................... 4-28
4.8.11 DUPLEX CLUTCH ............................................................................................ 4-28
4.8.12 JUNCTION GATE SOLENOID .......................................................................... 4-29
4.9 FUSING ........................................................................................................................ 4-30
4.9.1 FUSING UNIT .................................................................................................... 4-30
4.9.2 UPPER FUSING UNIT / LOWER FUSING UNIT ............................................. 4-31
4.9.3 FUSING PRESSURE ROLLER ........................................................................ 4-32
4.9.4 FUSING LAMP / HOT ROLLER ........................................................................ 4-33
4.9.5 THERMOSTAT .................................................................................................. 4-35
4.9.6 THERMISTOR ................................................................................................... 4-36
4.9.7 HOT ROLLER STRIPPER ................................................................................ 4-38
4.10 PAPER FEED ........................................................................................................ 4-39
4.10.1 PAPER FEED TRAY .......................................................................................... 4-39
4.10.2 PAPER FEED ROLLER .................................................................................... 4-39
4.10.3 FRICTION PAD ................................................................................................. 4-40
4.10.4 PAPER END SENSOR ...................................................................................... 4-40
4.10.5 BY-PASS FEED UNIT ....................................................................................... 4-41
4.10.6 BY-PASS FEED ROLLER ................................................................................. 4-42
4.10.7 BY-PASS FRICTION PAD ................................................................................. 4-43
4.10.8 BY-PASS PAPER END SENSOR ..................................................................... 4-44
4.10.9 BY-PASS BOTTOM PLATE HP SENSOR ........................................................ 4-45
4.10.10 PAPER SIZE DETECTION SWITCH .......................................................... 4-45
4.11 PAPER TRANSPORT .................................................................................................. 4-47
4.11.1 PAPER EXIT SENSOR ..................................................................................... 4-47
4.11.2 PAPER OVERFLOW SENSOR......................................................................... 4-47
4.11.3 DUPLEX EXIT SENSOR ................................................................................... 4-47
4.11.4 DUPLEX ENTRANCE SENSOR ....................................................................... 4-48
4.11.5 REGISTRATION ROLLER (DRIVEN) ............................................................... 4-49
4.11.6 REGISTRATION ROLLER (DRIVE) .................................................................. 4-51
4.11.7 REGISTRATION SENSOR ............................................................................... 4-51
4.12 ELECTRICAL COMPONENTS ............................................................................. 4-53
4.12.1 FCU BOARD ..................................................................................................... 4-53
4.12.2 SPEAKER .......................................................................................................... 4-55
4.12.3 PSU ................................................................................................................... 4-56
4.12.4 CONTROLLER BOARD .................................................................................... 4-58
Before replacing the controller board in the model without HDD.......................... 4-58
Replacement Procedure........................................................................................ 4-58
After installing the controller board ........................................................................ 4-59
SM v M160/M161