Canon FY8-13FW-000DADF-A1 Service Manual page 123

CHAPTER 5 TROUBLESHOOTING
Upper cover
Test strip
Center
Spring gauge
(capable of measuring about 600 g; CK-0058)
Figure 5-141 Measuring the Feeding
Power (middle)
4) Open the upper cover of the DADF to end
measurement.
5) Press the push switch SW3 on the DADF
controller PCB once (at the front, glued in
place).
[1]
[2]
Glued in place
Figure 5-142
5-16
COPYRIGHT © 1998 CANON INC.
Spring gauge
Match the end of the
test strip and the end
of the original tray.
CANON DADF-A1 REV.0 DEC. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Test strip
2
64 g/m
2
80 g/m
Table 5-111
Direction of
rotation
Clockwise
Counterclockwise
Table5-112
Adjusting Screw and Feeding Power
6) Be sure that LED1 and LED2 on the
DADF controller PCB are on and the
voltage of TP2-1 and TP2-2 is 1.1±0.1 V.
If the voltage of either TP2-1 or TP2-2 is
not as indicated, suspect displacement of
the light-emitting/-receiving unit of the
sensor corresponding to the test probe;
check the position of the sensor.
1 2 1
J15
CB1
7
J1
1
8
J10
1
DSW1
SW1
SW3
6
SW2
Figure 5-143
Feeding power (g)
270±20
300±20
Feeding power (g)
Decreases
Increases
4 1 2 1 10
1 9
J5
J8 13
J14
J2 J3
1
1
J13
2
1
3
1
2
J11
1
B12 B1
1
3
2 1
TP1 J12
J9
A1 A12
14
2
J6
J7