SM v G179
3.12.1 BY-PASS PAPER SIZE SENSOR .............................................3-55
When reinstalling the by-pass paper size sensor................................3-55
3.12.2 BY-PASS PAPER END SENSOR..............................................3-56
3.12.3 BY-PASS PICK-UP, FEED AND SEPARATION ROLLER,
TORQUE LIMITER ...................................................................................3-56
3.12.4 BY-PASS FEED CLUTCH .........................................................3-57
3.13 DRIVE AREA ......................................................................................3-58
3.13.1 PAPER FEED CLUTCH.............................................................3-58
Tray 1 and Tray 2................................................................................3-58
3.13.2 DEVELOPMENT PADDLE MOTOR ..........................................3-58
3.13.3 TRANSFER/DEVELOPMENT MOTOR .....................................3-59
3.13.4 DRUM MOTOR..........................................................................3-59
3.13.5 FUSING MOTOR .......................................................................3-60
3.13.6 WEB MOTOR ............................................................................3-60
3.13.7 PAPER FEED MOTOR ..............................................................3-61
3.13.8 TRANSFER BELT CONTACT MOTOR .....................................3-61
3.13.9 REGISTRATION MOTOR..........................................................3-61
3.13.10 TONER SUPPLY MOTOR .....................................................3-62
3.14 ELECTRICAL COMPONENTS ...........................................................3-63
3.14.1 CONTROLLER UNIT .................................................................3-63
3.14.2 HDD UNIT..................................................................................3-63
Replacement Procedure .....................................................................3-63
After installing the new HDD unit ........................................................3-63
3.14.3 CONTROLLER BOARD.............................................................3-64
Replacement Procedure .....................................................................3-64
When installing the new controller board ............................................3-65
After installing the controller board......................................................3-65
3.14.4 MOTHER BOARD......................................................................3-66
3.14.5 BCU ...........................................................................................3-67
3.14.6 IOB.............................................................................................3-67
When installing a new IOB..................................................................3-67
3.14.7 PSU ...........................................................................................3-68
3.14.8 HIGH VOLTAGE POWER SUPPLY BOARD.............................3-68
3.14.9 FUSING EXHAUST FAN ...........................................................3-69
When installing the fusing exhaust fan................................................3-69
3.14.10 CONTROLLER FAN...............................................................3-69
When installing the controller fan ........................................................3-70
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