Ricoh MT-C1 Service Manual page 13

3.11.9 SEPARATION ROLLER PRESSURE ADJUSTMENT................3-109
3.11.10 RELAY SENSOR......................................................................3-110
3.11.11 BY-PASS PAPER SIZE DETECTION BOARD.........................3-111
3.11.12 BY-PASS TRAY ROLLERS......................................................3-112
3.11.13 BY-PASS SEPARATION ROLLER PRESSURE ADJUSTMENT .3-113
3.11.14 REGISTRATION SENSOR.......................................................3-114
3.11.15 REGISTRATION AND BY-PASS UNIT REMOVAL ..................3-115
3.12 PCBS AND HDD .................................................................................3-117
3.12.1 BCU BOARD (BASE ENGINE CONTROL UNIT) .......................3-117
BCU: B064, B140 Series ..................................................................3-117
BCU, IOB: B246 Series.....................................................................3-118
3.12.2 CONTROLLER BOARD .............................................................3-119
B064 Series: Controller Board ..........................................................3-119
B140 Series: Controller Board ..........................................................3-120
B246 Series: Controller Board ..........................................................3-121
3.12.3 IPU BOARD................................................................................3-122
B064 Series: IPU Board....................................................................3-122
B140 Series: IPU, Mother Board.......................................................3-123
B246 Series: IPU ..............................................................................3-126
B246 Series Motherboard .................................................................3-127
3.12.4 DEVELOPMENT POWER PACK ...............................................3-129
3.12.5 PSU, PFC BOARDS ...................................................................3-130
B064 Series ......................................................................................3-130
B140 Series PSU..............................................................................3-130
B246 Series PSU..............................................................................3-131
3.12.6 HDD............................................................................................3-132
B064 Series HDD..............................................................................3-132
B140 Series HDD..............................................................................3-133
B246 Series HDD..............................................................................3-134
3.12.7 NVRAM.......................................................................................3-135
NVRAM: B064 Series, B140 Series..................................................3-135
NVRAM: B246 Series .......................................................................3-137
3.12.8 DIMMS........................................................................................3-139
3.13 ADF .....................................................................................................3-140
3.13.1 ADF COVERS ............................................................................3-140
3.13.2 FEED UNIT.................................................................................3-141
3.13.3 FEED BELT AND PICK-UP ROLLER.........................................3-142
3.13.4 SEPARATION ROLLER .............................................................3-143
3.13.5 REGISTRATION SENSOR.........................................................3-144
3.13.6 ADF CONTROL BOARD ............................................................3-145
3.13.7 ORIGINAL WIDTH, INTERVAL, AND SKEW
CORRECTION SENSORS ......................................................3-146
3.13.8 ORIGINAL LENGTH SENSORS.................................................3-147
3.13.9 DF POSITION AND APS SENSOR ............................................3-148
3.13.10 OTHER ADF SENSORS ..........................................................3-149
3.13.11 BOTTOM PLATE LIFT MOTOR ...............................................3-150
3.13.12 FEED MOTOR..........................................................................3-150
3.13.13 EXIT MOTOR AND TRANSPORT MOTOR .............................3-151
3.13.14 PICK-UP ROLLER MOTOR AND HP SENSOR.......................3-152
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