Service manual

M052/M053/M054 vi SM
4.12.7 CONTROLLER BOARD ............................................................. 4-78
When installing a new controller board............................................... 4-79
4.12.8 BICU ........................................................................................... 4-80
BICU................................................................................................... 4-80
BICU Bracket ..................................................................................... 4-81
4.12.9 HVPS (HIGH VOLTAGE POWER SUPPLY) .............................. 4-83
4.12.10 RFID BOARD ............................................................................ 4-83
4.12.11 TONER END SENSOR ............................................................ 4-84
4.12.12 PAPER SIZE SENSOR BOARD ............................................... 4-84
4.12.13 PSU .......................................................................................... 4-85
4.13 ARDF ................................................................................................. 4-87
4.13.1 ARDF .......................................................................................... 4-87
When installing the Platen Sheet ....................................................... 4-88
4.13.2 ARDF REAR COVER ................................................................. 4-88
4.13.3 ARDF FRONT COVER AND ORIGINAL TRAY .......................... 4-89
4.13.4 ORIGINAL FEED UNIT ............................................................... 4-90
4.13.5 PICK-UP ROLLER ...................................................................... 4-91
4.13.6 FEED ROLLER ........................................................................... 4-92
4.13.7 ARDF FRICTION PAD ................................................................ 4-93
4.13.8 ARDF DRIVE BOARD ................................................................ 4-94
4.13.9 ORIGINAL SET SENSOR AND ARDF TOP COVER SENSOR . 4-95
4.13.10 ARDF FEED MOTOR ............................................................... 4-97
4.13.11 ARDF FEED CLUTCH .............................................................. 4-98
4.13.12 ARDF TRANSPORT MOTOR ................................................... 4-99
4.13.13 ARDF REGISTRATION SENSOR .......................................... 4-101
4.13.14 ARDF INVERTER SENSOR ................................................... 4-102
4.13.15 ARDF COOLING FAN ............................................................ 4-103
When installing the cooling fan ......................................................... 4-103
4.14 INTERNAL FINISHER ...................................................................... 4-104
4.14.1 INTERNAL FINISHER .............................................................. 4-104
When reinstalling the internal finisher .............................................. 4-105
4.14.2 FINISHER OUTPUT TRAY UNIT ............................................. 4-106
4.14.3 STAPLER UNIT ........................................................................ 4-107
4.14.4 GATHERING ROLLER MOTOR ............................................... 4-108
4.14.5 FINISHER PAPER EXIT MOTOR ............................................. 4-109
4.14.6 SHIFT ROLLER MOTOR .......................................................... 4-110
4.14.7 FINISHER TRANSPORT MOTOR ............................................ 4-111
4.14.8 TRAY LIFT MOTOR ................................................................. 4-112