Ricoh SP 310DN

M154/M155/M174/M175/A0A7/M287/M0BB ii SM
4.4
LASER UNIT ................................................................................................................ 4-12
4.4.1 CAUTION DECAL LOCATIONS ........................................................................ 4-12
4.4.2 LASER UNIT ..................................................................................................... 4-13
4.4.3 POLYGON MIRROR MOTOR ........................................................................... 4-14
4.5 PAPER FEED ............................................................................................................... 4-15
4.5.1 PAPER FEED ROLLER .................................................................................... 4-15
After installing a new paper feed roller .................................................................. 4-15
4.5.2 FRICTION PAD ................................................................................................. 4-16
When reinstalling the friction pad, do it in this order: ............................................ 4-16
4.5.3 PAPER END SENSOR ...................................................................................... 4-16
4.5.4 BY-PASS FEED ROLLER ................................................................................. 4-17
4.5.5 BY-PASS FEED ROLLER FRICTION PAD ....................................................... 4-18
4.5.6 BY-PASS FEED SENSOR................................................................................. 4-19
4.5.7 PAPER FEED CLUTCH .................................................................................... 4-19
4.5.8 RELAY CLUTCH ............................................................................................... 4-20
4.5.9 REGISTRATION CLUTCH ................................................................................ 4-20
4.5.10 REGISTRATION ROLLER ................................................................................ 4-21
4.5.11 REGISTRATION SENSOR ............................................................................... 4-24
4.6 IMAGE TRANSFER ..................................................................................................... 4-25
4.6.1 TRANSFER ROLLER ........................................................................................ 4-25
After installing a new transfer roller ....................................................................... 4-25
4.6.2 TONER END SENSOR ..................................................................................... 4-26
4.6.3 QUENCHING LAMP .......................................................................................... 4-27
4.7 FUSING AND EXIT ...................................................................................................... 4-28
4.7.1 FUSING UNIT .................................................................................................... 4-28
Reinstallation ......................................................................................................... 4-29
After installing a new fusing unit ............................................................................ 4-30
4.7.2 THERMOSTAT .................................................................................................. 4-30
4.7.3 THERMISTOR ................................................................................................... 4-31
4.7.4 FUSING LAMP .................................................................................................. 4-32
When reinstalling the fusing lamp ......................................................................... 4-33
4.7.5 HOT ROLLER .................................................................................................... 4-33
4.7.6 PRESSURE ROLLER ....................................................................................... 4-35
4.7.7 HOT ROLLER STRIPPER PAWLS ................................................................... 4-36
4.7.8 PAPER EXIT SENSOR ..................................................................................... 4-36
4.8 DRIVE .......................................................................................................................... 4-37
4.8.1 MAIN MOTOR ................................................................................................... 4-37
4.8.2 DRIVE UNIT ...................................................................................................... 4-37
4.8.3 DUPLEX MOTOR .............................................................................................. 4-38