Canon FY8-13FW-000DADF-A1 Service Manual page 117

CHAPTER 5 TROUBLESHOOTING
1) Shift bits 1, 2, and 4 of the DIP switch
(DSW1) on the DADF controller PCB to
ON.
2) Place two sheets of A4 or LTR copy paper
(64 g/m 2 ) on the original tray.
Be sure that the copy paper matches the
DADF model: if A/B-configuration, use
A4 copy paper; if Inch-configuration, use
LTR cop paper.
1
1 2
J15
CB1
7
J1
1
8
J10
1
DSW1
SW1
SW3
6
SW2
Figure 5-126
3) Press the push switch (SW3) on the DADF
controller PCB one.
• The copy paper will be picked up and
stopped on the copyboard glass.
4) Open the DADF slowly, and measure the
distance l between the two sheets of copy
5
paper. Then, close the DADF.
1 4 1
1 2
J15
CB1
J2 J3
7
J1
1
8
J10
1
DSW1
SW1
SW3
SW2
TP1
Figure 5-127
5-10
COPYRIGHT © 1998 CANON INC.
4 1 2 1 10
1 9
J5
13
J8
J14
J2 J3
1
1
2
1
3
1
2
1
B12 B1
1
3
2 1
TP1 J12
A1 J9 A12
2 1 10
1 9
J5
13
J8
J14
1
1
J13
2
1
J6
3
1
J7
2
J11
1
B12 B1
3
2 1
J12
A1 J9 A12
CANON DADF-A1 REV.0 DEC. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
5) Use the push switches SW1 and SW2 on
the DADF controller PCB to adjust the
sheet-to-sheet distance.
Copyboard glass
[2]
Copy paper
14
2
J13
J6
J7
Standard:
J11
A single press on each push switch will
shift the copy paper [2]of Figure 5-128 by
0.34 mm. When the position is as desired,
press the push switch SW3 once to
discharge the copy paper and store the new
setting.
<EX.>
• Relationship between Push Switches
and Sheet-to-Sheet Distance
Push switch
14
SW1
SW2
2
[1]
Copy paper
5
= 0 ±3 mm
5
Figure 5-128
Sheet-to-sheet distance l
Increases
Decreases
Table 5-107
5