Ricoh D245 Service Manual page 8

4.10.4 THERMISTOR ................................................................................................... 4-41
4.10.5 FUSING LAMP .................................................................................................. 4-42
4.10.6 HOT ROLLER STRIPPER PAWLS ................................................................... 4-43
4.10.7 HOT ROLLER .................................................................................................... 4-43
4.10.8 THERMOSTAT .................................................................................................. 4-44
4.10.9 PRESSURE ROLLER AND BUSHINGS ........................................................... 4-44
4.10.10 NIP BAND WIDTH ADJUSTMENT ............................................................. 4-45
4.11 PAPER EXIT SECTION ............................................................................................... 4-46
4.11.1 PAPER EXIT SENSOR ..................................................................................... 4-46
4.12 PAPER FEED SECTION ....................................................................................... 4-47
4.12.1 PAPER FEED ROLLER .................................................................................... 4-47
4.12.2 FRICTION PAD ................................................................................................. 4-48
4.12.3 REGISTRATION ROLLER ................................................................................ 4-49
Driven Side ............................................................................................................ 4-49
Drive Side .............................................................................................................. 4-49
4.12.4 REGISTRATION SENSOR ............................................................................... 4-50
4.12.5 PAPER END SENSOR ...................................................................................... 4-50
4.12.6 TRAY LIFT UNIT................................................................................................ 4-51
4.12.7 BY-PASS TRAY ................................................................................................. 4-51
4.12.8 BY-PASS PAPER FEED ROLLER AND BY-PASS PAPER END SENSOR ..... 4-52
4.12.9 BY-PASS TRAY FRICTION PAD ....................................................................... 4-54
4.13 DUPLEX UNIT ....................................................................................................... 4-55
4.13.1 DUPLEX GUIDE PLATE ................................................................................... 4-55
4.13.2 TRANSFER GUIDE UNIT ................................................................................. 4-56
4.13.3 TRANSFER ROLLER ........................................................................................ 4-56
4.13.4 ID SENSOR ....................................................................................................... 4-57
4.14 ELECTRICAL COMPONENTS ............................................................................. 4-59
4.14.1 MPU ................................................................................................................... 4-59
4.14.2 EEPROM ........................................................................................................... 4-60
4.14.3 PSU (POWER SUPPLY UNIT) .......................................................................... 4-60
4.14.4 HIGH-VOLTAGE POWER SUPPLY BOARD .................................................... 4-61
4.14.5 MAIN MOTOR ................................................................................................... 4-61
4.14.6 MAIN FAN .......................................................................................................... 4-62
4.14.7 EXHAUST FAN .................................................................................................. 4-63
4.14.8 TEMPERATURE SENSOR ............................................................................... 4-64
4.14.9 PAPER EXIT CLUTCH AND REVERSE CLUTCH ........................................... 4-65
4.14.10 BY-PASS PAPER FEED CLUTCH.............................................................. 4-66
4.14.11 PAPER FEED CLUTCH .............................................................................. 4-66
4.14.12 DUPLEX CLUTCH ...................................................................................... 4-67
SM iv D245/D246/D247