Ricoh SP 330SFN, Service Manual

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SM iii M0C3/M0C4/M0C5/M0C6/M0C7
4.7.6 BY-PASS FEED ROLLER FRICTION PAD ....................................................... 4-49
4.7.7 BY-PASS FEED SENSOR ................................................................................. 4-50
4.7.8 PAPER FEED CLUTCH .................................................................................... 4-50
4.7.9 RELAY CLUTCH ............................................................................................... 4-51
4.7.10 REGISTRATION CLUTCH ................................................................................ 4-51
4.7.11 REGISTRATION ROLLER ................................................................................ 4-52
4.7.12 REGISTRATION SENSOR ............................................................................... 4-58
4.8 IMAGE TRANSFER ..................................................................................................... 4-59
4.8.1 TRANSFER ROLLER ........................................................................................ 4-59
4.8.2 TONER END SENSOR ..................................................................................... 4-60
4.8.3 QUENCHING LAMP .......................................................................................... 4-61
4.9 FUSING AND EXIT ...................................................................................................... 4-62
4.9.1 FUSING UNIT .................................................................................................... 4-62
4.9.2 FUSING UPPER COVER .................................................................................. 4-64
4.9.3 THERMOSTAT .................................................................................................. 4-65
4.9.4 FUSING THERMISTOR .................................................................................... 4-66
4.9.5 FUSING LAMP .................................................................................................. 4-67
4.9.6 HOT ROLLER STRIPPER PAWLS ................................................................... 4-69
4.9.7 PAPER EXIT SENSOR ..................................................................................... 4-69
4.10 DUPLEX ................................................................................................................ 4-70
4.10.1 DUPLEX SENSOR ............................................................................................ 4-70
4.11 DRIVE .......................................................................................................................... 4-71
4.11.1 MAIN MOTOR ................................................................................................... 4-71
4.11.2 DRIVE UNIT ...................................................................................................... 4-72
4.11.3 DUPLEX MOTOR .............................................................................................. 4-75
4.12 ELECTRICAL COMPONENTS ............................................................................. 4-76
4.12.1 MAIN BOARD .................................................................................................... 4-76
Main Board (Printer Models) ................................................................................. 4-76
Main Board (MF Four-line LCD Models) ............................................................... 4-77
Main Board (MF Touch Panel Models) .................................................................. 4-78
When Installing the New Main Board .................................................................... 4-79
4.12.2 PSU ................................................................................................................... 4-80
4.12.3 HVP ................................................................................................................... 4-81
4.12.4 COOLING FAN .................................................................................................. 4-82
4.12.5 ENVIRONMENT THERMISTOR ....................................................................... 4-82
4.12.6 ID CHIP BOARD ................................................................................................ 4-83
4.12.7 FRONT COVER SWITCH, REAR COVER SWITCH ....................................... 4-83
4.12.8 USB PORT (ONLY FOR MF MODELS) ............................................................ 4-84
4.12.9 FCU (ONLY FOR FAX MODELS) ..................................................................... 4-84