Canon FY8-13FW-000DADF-A1 Service Manual page 125

CHAPTER 5 TROUBLESHOOTING
2) Push the push switch SW3 on the DADF
controller PCB without placing any
original on the original tray.
•LED1/2 on the DADF controller PCB
turns on.
•If LED1 does not turn on in 30 sec or
more, suspect the original tray paper
sensor (S1); if LED2 does not turn on in
30 sec or more, suspect the registration
sensor S3 or the DADF controller.
1 4 1 2
1 2
J15
CB1
J2 J3
7
J1
1
8
J10
1
DSW1
SW1
SW3
6 1
SW2
TP1
Figure 5-146
3) When LED1/2 has turned on, press the
push switch SW3 on the DADF controller
PCB once again.
•The two LEDs will turn off, and the
adjustment will end.
4) Shift the bit on the DIP switch DSW1 on
the DADF controller PCB back to
position.
5-18
COPYRIGHT © 1998 CANON INC.
1 10
1 9
J5
13 14
J8
J14
1 2
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)
3. Adjusting the Original Width
Detecting Volume (VR1)
1) Obtain one sheet of A4 or LTR copy
paper.
2) Remove the cover of the DADF, and set
the bits of the DIP switch DSW1 on the
DADF controller PCB as follows:
(Keep in mind that settings differ
according to the size of copy paper.)
1 2 1
J15
CB1
7
J1
1
8
J10
1
DSW1
SW1
SW3
6
SW2
1
1 2
J15
CB1
7
J1
1
8
J10
1
DSW1
SW1
SW3
6
SW2
Figure 5-147
4 1 2 1 10
1 9
J5
13
J8
J2 J3 J14
1
1
J13
2
1
3
1
2
1
B12 B1
1
3
2 1
TP1 J12
A1 J9 A12
A4
4 1 2 1 10
1 9
J5
13
J8
J2 J3 J14
1
1
J13
2
1
3
1
2
1
B12 B1
1
3
2 1
TP1 J12
A1 J9 A12
LTR
14
2
J6
J7
J11
14
2
J6
J7
J11