Ricoh M018, Service Manual

Page: 15 / 229

SM iii M018/M019
4.7.3 REGISTRATION ROLLER.............................................................. 4-30
Reassembling the registration roller unit ............................................ 4-30
4.7.4 REGISTRATION SENSOR ............................................................. 4-31
4.7.5 REGISTRATION CLUTCH.............................................................. 4-32
4.8 IMAGE FUSING ....................................................................................... 4-33
4.8.1 FUSING UNIT ................................................................................. 4-33
4.8.2 FUSING LAMP................................................................................ 4-34
When Reinstalling the Fusing Lamp................................................... 4-34
4.8.3 TRANSPORT/FUSING MOTOR ..................................................... 4-35
4.9 PAPER FEED .......................................................................................... 4-36
4.9.1 PAPER FEED CLUTCH.................................................................. 4-36
4.9.2 PAPER FEED ROLLER .................................................................. 4-37
4.9.3 SEPARATION PAD ........................................................................ 4-38
4.9.4 PAPER END SENSOR ................................................................... 4-39
4.10 PAPER EXIT......................................................................................... 4-40
4.10.1 PAPER EXIT ROLLER ................................................................. 4-40
When reinstalling the paper exit roller ................................................ 4-41
4.10.2 PAPER EXIT SENSOR................................................................. 4-42
4.11 ELECTRICAL COMPONENTS ............................................................. 4-43
4.11.1 CONTROLLER BOARD................................................................ 4-43
Main Controller Board ........................................................................ 4-43
PDL Board (M019 only)...................................................................... 4-44
4.11.2 EGB (ENGINE BOARD) ............................................................... 4-45
When installing the new EGB ............................................................. 4-46
4.11.3 FCU .............................................................................................. 4-46
4.11.4 INTERLOCK SWITCHES.............................................................. 4-47
4.11.5 FUSING FAN MOTOR.................................................................. 4-48
4.11.6 LSU FAN MOTOR ........................................................................ 4-49
4.11.7 ID CHIP BOARD ........................................................................... 4-50
4.11.8 PSU .............................................................................................. 4-52
Fuse ................................................................................................... 4-54
4.11.9 HIGH VOLTAGE POWER SUPPLY BOARD ............................. 4-54
4.11.10 TEMPERATURE/HUMIDITY SENSOR...................................... 4-55
4.11.11 DUPLEX MOTOR....................................................................... 4-56
4.11.12 SPEAKER .................................................................................. 4-57
4.11.13 EEPROM.................................................................................... 4-58