SM iii M047
4.5IMAGE TRANSFER ................................................................................. 4-18
4.5.1 TRANSFER ROLLER ..................................................................... 4-18
4.5.2 TONER END SENSOR ................................................................... 4-19
4.6FUSING ................................................................................................... 4-20
4.6.1 FUSING UNIT ................................................................................. 4-20
4.6.2 HOT ROLLER AND FUSING LAMP ............................................... 4-21
4.6.3 PRESSURE ROLLER ..................................................................... 4-24
When reassembling the fusing unit .................................................... 4-25
4.6.4 THERMISTOR AND THERMOSTAT .............................................. 4-26
Thermostat ......................................................................................... 4-26
Thermistor .......................................................................................... 4-26
4.6.5 HOT ROLLER STRIPPERS ............................................................ 4-28
4.7PAPER FEED .......................................................................................... 4-29
4.7.1 PAPER FEED ROLLER .................................................................. 4-29
4.7.2 FRICTION PAD ............................................................................... 4-30
When reinstalling the friction pad follow this order ............................. 4-30
4.7.3 PAPER END SENSOR ................................................................... 4-31
4.7.4 REMAINING PAPER SENSORS .................................................... 4-32
4.8BY-PASS FEED ....................................................................................... 4-33
4.8.1 BY-PASS FEED UNIT .................................................................... 4-33
4.8.2 BY-PASS FEED ROLLER ............................................................... 4-34
4.8.3 BY-PASS FRICTION PAD .............................................................. 4-35
4.8.4 BY-PASS PAPER SET SENSOR ................................................... 4-37
4.9PAPER EXIT ............................................................................................ 4-38
4.9.1 PAPER EXIT SENSOR ................................................................... 4-38
4.9.2 OVERFLOW SENSOR ................................................................... 4-38
4.9.3 PAPER EXIT UNIT ......................................................................... 4-39
4.9.4 FUSING EXIT SENSOR ................................................................. 4-40
4.10 ELECTRICAL COMPONENTS ........................................................... 4-41
4.10.1 PRINTER CONTROLLER BOARD ............................................. 4-41
4.10.2 ENGINE BOARD ........................................................................ 4-42
4.10.3 MAIN MOTOR............................................................................. 4-43
4.10.4 RELAY CLUTCH ......................................................................... 4-43
4.10.5 PAPER FEED CLUTCH .............................................................. 4-44
4.10.6 REGISTRATION CLUTCH ......................................................... 4-46
4.10.7 REGISTRATION SENSOR ......................................................... 4-47
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