Ricoh B291 - Page 16

B291/B295/B296/B297 iv SM
3.14.11 REGISTRATION ROLLER DUST BLADE ..................................3-58
3.15 FUSING UNIT........................................................................................3-59
3.15.1 FUSING UNIT REMOVAL ............................................................3-59
3.15.2 FUSING UNIT EXIT GUIDE .........................................................3-60
3.15.3 HOT ROLLER STRIPPERS .........................................................3-61
3.15.4 FUSING LAMPS...........................................................................3-62
3.15.5 THERMISTORS AND THERMOSTATS .......................................3-64
3.15.6 HOT ROLLER/PRESSURE ROLLER...........................................3-65
3.16 BY-PASS TRAY ....................................................................................3-67
3.16.1 COVER REPLACEMENT .............................................................3-67
3.16.2 BY-PASS PAPER FEED
AND PICK-UP ROLLER REPLACEMENT ...................................3-68
3.16.3 BY-PASS SEPARATION ROLLER...............................................3-69
3.16.4 PAPER END SENSOR, PICK-UP SOLENOID.............................3-70
3.16.5 PAPER SIZE SENSOR BOARD REPLACEMENT .......................3-71
3.16.6 BY-PASS TABLE REMOVAL .......................................................3-72
3.16.7 PAPER FEED CLUTCH REPLACEMENT....................................3-73
3.17 DUPLEX UNIT.......................................................................................3-74
3.17.1 DUPLEX COVER REMOVAL .......................................................3-74
3.17.2 DUPLEX ENTRANCE SENSOR REPLACEMENT.......................3-75
3.17.3 DUPLEX EXIT SENSOR REPLACEMENT ..................................3-76
3.18 DRIVE AREA.........................................................................................3-77
3.18.1 REGISTRATION CLUTCH,
TRANSFER BELT CONTACT CLUTCH.......................................3-77
3.18.2 MAIN MOTOR ..............................................................................3-78
3.18.3 FUSING/EXIT MOTOR.................................................................3-79
3.18.4 TONER SUPPLY MOTOR............................................................3-80
3.19 PRINTED CIRCUIT BOARDS ...............................................................3-81
3.19.1 NVRAM.........................................................................................3-81
3.19.2 HIGH VOLTAGE POWER SUPPLY .............................................3-83
3.19.3 IOB ...............................................................................................3-84
IOB DIP Switch Settings (SW101) ......................................................3-85
3.19.4 BICU BOARD ...............................................................................3-86
3.19.5 PSU ..............................................................................................3-87
3.20 HDD, CONTROLLER BOARD...............................................................3-88
3.21 COPY ADJUSTMENTS: PRINTING/SCANNING ..................................3-89
3.21.1 PRINTING ....................................................................................3-89
Registration - Leading Edge/Side-to-Side...........................................3-89
Blank Margin.......................................................................................3-90
Main Scan Magnification.....................................................................3-90
Parallelogram Image Adjustment........................................................3-91
3.21.2 SCANNING...................................................................................3-92
Registration: Platen Mode...................................................................3-92
Magnification.......................................................................................3-92
3.21.3 ADF IMAGE ADJUSTMENT.........................................................3-93
Registration.........................................................................................3-93
3.21.4 TOUCH SCREEN CALIBRATION ................................................3-94
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