Canon FY8-13FW-000DADF-A1 Service Manual page 111

CHAPTER 5 TROUBLESHOOTING
Original tray
B
Fixing screw
Figure 5-112
• Relationship between the DADF
Original Tray and l
Direction of shift
1
2
Table 5-102
6) After adjustment, check to make sure that
the positioning screw and the fixing screws
are fully tightened.
c. Adjusting the Original Leading Edge
Stop Position
Be sure to perform "correcting the original
skew" and "adjusting the distance to the
horizontal size plate" before adjusting the
original leading edge position.
1. Bottom Pick-Up Mode
1) Shift bits 1 and 4 of the DIP switch
(DSW1) on the DADF controller PCB to
ON.
1 2 1
J15
CB1
J2
7
J1
1
8
J10
1
DSW1
SW1
SW3
6
SW2
Figure 5-113
5-4
COPYRIGHT © 1998 CANON INC.
A
Fixing screw
Positioning screw
3
l
3
Decreases
Increases
4 1 2 1 10
1 9
J5
13
J8
J3 J14
1
1
J13
2
1
3
1
2
J11
1
B12 B1
1
3
2 1
TP1 J12
A1 J9 A12
CANON DADF-A1 REV.0 DEC. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
2) Place an A3 or 279.4×432.8-mm
(11"×17") sheet of copy paper (64 g/m
on the original tray.
3) Press the push switch (SW3) on the DADF
controller PCB once.
• The copy paper will be picked up and
stopped on the copyboard glass.
1 2
J15
CB1
7
J1
1
8
J10
1
DSW1
SW1
SW3
SW2
4) Open the DADF slowly, and measure the
stop position l
slowly.
Copyboard glass
4
14
2
J6
J7
1 4 1 2 1 10
1
J14
J2 J3
B12 B1
2
TP1 J12
A1 J9 A12
Figure 5-114
; then, close the DADF
4
Copy paper
= 11.6 ±1 mm
Standard
4
Figure 5-115
2
)
9
J5
J8 13 14
1 2
1
J13
2
1
J6
3
1
J7
2
J11
1
3
1