TABLE OF CONTENTS
Revision Lists........................................................................................................................................................1
Safety and Symbols............................................................................................................................................3
Trademarks.....................................................................................................................................................3
1. Replacement and Adjustment
ADF Removal......................................................................................................................................................7
Adjustment after Replacing the ADF...............................................................................................................11
CIS RGB Adjustment ...................................................................................................................................11
Checking the vertical registration...............................................................................................................11
Checking the horizontal registration..........................................................................................................12
Checking the skew.......................................................................................................................................12
Checking the magnification.........................................................................................................................12
Platen Adjustment.............................................................................................................................................13
ADF Covers.......................................................................................................................................................15
ADF Front Cover..........................................................................................................................................15
ADF Rear Cover...........................................................................................................................................16
Feed Cover...................................................................................................................................................17
Document Feed Components..........................................................................................................................19
Original Feed Unit.......................................................................................................................................19
Pick-up Roller / Transport Belt....................................................................................................................19
ADF Separation Roller.................................................................................................................................22
White Roller..................................................................................................................................................23
Electrical Components.....................................................................................................................................28
CIS Unit.........................................................................................................................................................28
ADF Pick-up Roller Lift Motor / ADF Transport Motor.............................................................................30
ADF Bottom Plate Lift Motor........................................................................................................................31
Original Registration Sensor.......................................................................................................................32
Original Exit Sensor.....................................................................................................................................33
ADF Control Board......................................................................................................................................36
Separation Sensor / Skew Correction Sensor..........................................................................................36
Original Width Sensor / Interval Sensor...................................................................................................37
B5 Width Sensor / A4 Width Sensor / LG Width Sensor......................................................................39
APS Feeler....................................................................................................................................................39
ADF Lift-Up Interlock SW / Lift-Up Sensor................................................................................................40
4