Canon FY8-13FW-000DADF-A1 Service Manual page 120

1) Prepare test strips for measuring feeding
power.
Cut an A4 or LTR sheet of copy paper (64
2
or 80 g/m ) into strips of about 70 mm;
then, paste tape on both sides of the end of
each, and put a hole.
c. Bottom Pick-Up Mode
1/3
1/3
1/3
Vertical direction
Copy paper (A4)
10 cm (approx.)
Put tape on both sides.
Hole
35 mm
20 mm (approx.)
300 mm (approx.)
Figure 5-132
1) Remove the screw, and detach the DADF
controller cover from the DADF.
2) Shift bit 2 of the DIP switch DSW1 on the
DADF controller PCB to ON. Select
continuous pick-up and delivery mode,
and turn on the copier.
Screw
DADF controller cover
Figure 5-133
COPYRIGHT © 1998 CANON INC.
70 mm
(approx.)
70 mm
(approx.)
CANON DADF-A1 REV.0 DEC. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 5 TROUBLESHOOTING
3) Place five to ten sheets of copy paper (A4
or LTR) on the original tray, and press the
push switch SW3 on the DADF controller
PCB for continuous pick-up/delivery
operation.
1 2 1
J15
CB1
7
J1
1
8
J10
1
DSW1
SW1
SW3
6
SW2
Figure 5-134
4) After 2 min, press the push switch SW3
once again to end the operation.
5) Shift bit 2 of the DIP switch DSW1 on the
DADF controller PCB to OFF and bit 6 to
ON to select separation belt/feeding roller
cleaning mode (bottom pick-up) in service
mode.
Remove copy paper from the original tray.
6) Press the push switch SW3 on the DADF
controller PCB. Put the test strip into the
separation assembly at the front to measure
the feeding power at the front (Figure 5-
136).
1
1 2
J15
CB1
7
J1
1
8
J10
1
DSW1
SW1
SW3
6
SW2
Figure 5-135
4 1 2 1 10
1 9
J5
13
J8
J2 J3 J14
1
1
J13
2
1
3
1
2
J11
1
B12 B1
1
3
2 1
TP1 J12
A1 J9 A12
4 1 2 1 10
1 9
J5
13
J14 J8
J2 J3
1
1
J13
2
1
3
1
2
J11
1
B12 B1
1
3
2 1
J12
TP1
A1 J9 A12
5-13
14
2
J6
J7
14
2
J6
J7