COPYRIGHT
©
1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 3
MECHANICAL SYSTEM
I. BASIC CONSTRUCTION ...............3-1
A. External Covers .....................3-1
B. Removing the Feed Belt Unit ..3-4
C. ADF Controller PCB ..............3-5
II. DRIVE SYSTEM ............................3-6
A. Removing the Pickup Unit .....3-6
B. Removing the Separation
Motor (M1) .............................3-6
C.
Removing the Feed Motor (M2)
....3-7
D. Reversal Delivery Unit...........3-8
E. Removing the Reversal Delivery
Motor (M3) .............................3-9
III. FEEDING SYSTEM..................3-10
A. Removing the Separation Pad
Assembly .............................3-10
B. Removing the Separation
Roller ...................................3-11
C. Removing the Pickup Roller..3-12
D. Mounting the Separation
Roller Unit ...........................3-13
E. Removing the Reversing Roller
and Feed Roller...................3-14
F. Replacing the Feed Belt ......3-16
VI. SENSORS .................................3-18
A. Removing the Original Set Sen-
sor PCB (U503) ...................3-18
B. Removing the Original Set Indi-
cator LED PCB ....................3-18
C. Removing the Last Original
Sensor PCB (U504).............3-19
D. Original Width Detecting Volume
(VR) .....................................3-19
E. Removing the Pre-Registration
Sensor (U502) .....................3-21
F. Removing the Reversal Outlet
Sensor (U505) .....................3-21