Ricoh B064 Service Manual page 6

3.11 PAPER FEED........................................................................................3-83
3.11.1 PAPER TRAY REMOVAL ............................................................3-83
Tandem Tray Removal .......................................................................3-83
3.11.2 REAR FENCE RETURN SENSOR REPLACEMENT...................3-85
3.11.3 REAR FENCE HP SENSOR REPLACEMENT.............................3-86
3.11.4 TANDEM RIGHT TRAY PAPER SENSOR REPLACEMENT.......3-87
3.11.5 BOTTOM PLATE LIFT WIRE REPLACEMENT ...........................3-88
3.11.6 TANDEM LCT PAPER SIZE CHANGE ........................................3-90
3.11.7 PICK-UP, FEED, SEPARATION ROLLER REPLACEMENT .......3-93
3.11.8 FEED UNIT...................................................................................3-94
3.11.9 SEPARATION ROLLER PRESSURE ADJUSTMENT..................3-96
3.11.10 RELAY SENSOR........................................................................3-97
3.11.11 BY-PASS PAPER SIZE DETECTION BOARD...........................3-98
3.11.12 BY-PASS TRAY ROLLERS........................................................3-99
3.11.13 BY-PASS SEPARATION ROLLER PRESSURE
ADJUSTMENT .........................................................................3-100
3.11.14 REGISTRATION SENSOR.......................................................3-101
3.11.15 REGISTRATION AND BY-PASS UNIT REMOVAL ..................3-102
3.12 PCBS AND HDD .................................................................................3-104
3.12.1 BCU BOARD (BASE ENGINE CONTROL UNIT) .......................3-104
3.12.2 CONTROLLER BOARD .............................................................3-105
3.12.3 IPU BOARD (IMAGE PROCESSING UNIT)...............................3-106
3.12.4 DEVELOPMENT POWER PACK ...............................................3-106
3.12.5 PSU, PFC BOARDS ...................................................................3-107
3.12.6 HDD............................................................................................3-107
3.12.7 NVRAM.......................................................................................3-108
3.13 ADF .....................................................................................................3-109
3.13.1 ADF COVERS ............................................................................3-109
3.13.2 FEED UNIT.................................................................................3-110
3.13.3 FEED BELT AND PICK-UP ROLLER.........................................3-111
3.13.4 SEPARATION ROLLER .............................................................3-112
3.13.5 REGISTRATION SENSOR.........................................................3-113
3.13.6 ADF CONTROL BOARD ............................................................3-114
3.13.7 ORIGINAL WIDTH, INTERVAL, AND SKEW CORRECTION
SENSORS ..................................................................................3-115
3.13.8 ORIGINAL LENGTH SENSORS ................................................3-116
3.13.9 DF POSITION AND APS SENSOR ............................................3-117
3.13.10 OTHER ADF SENSORS ..........................................................3-118
3.13.11 BOTTOM PLATE LIFT MOTOR ...............................................3-119
3.13.12 FEED MOTOR..........................................................................3-120
3.13.13 EXIT MOTOR AND TRANSPORT MOTOR .............................3-121
3.13.14 PICK-UP ROLLER MOTOR AND HP SENSOR .......................3-122
3.13.15 CIS POWER SUPPLY BOARD AND CIS UNIT .......................3-123
3.13.16 ADF EXIT SENSOR .................................................................3-124
3.14 COPY IMAGE ADJUSTMENTS: PRINTING/SCANNING ...................3-125
3.14.1 PRINTING ..................................................................................3-125
Registration - Leading Edge/Side-to-Side.........................................3-125
Blank Margin.....................................................................................3-126
Registration Buckle Adjustment ........................................................3-126
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