Canon PC980 Service Manual - Page 303
Relationship between Rotary Switch Direction and Original Position, Table 11-205
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CHAPTER 11 TROUBLESHOOTING 8) Use the rotary switch (SW2) on the ADF controller PCB to adjust the original leading edge stop position. Moving the rotary switch by a single notch changes the original stop position by about 0.3 mm. Press the push switch (PSW) after deciding on a position to discharge the copy paper and store the optimum value. PSW 3456 ON 12 BCD EF 0 1 2 7 8 9A SW2 Figure 11-259 Relationship between Rotary Switch Direction and Original Position Direction of rotary switch Clockwise Counterclockwise Position (shift) of original Toward leading edge Toward trailing edge Table 11-205 11-38 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 11
TROUBLESHOOTING
COPYRIGHT
©
1999
CANON INC.
CANON
PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
11-38
8)
Use the rotary switch (SW2) on the ADF controller PCB to adjust the original leading edge
stop position.
Moving the rotary switch by a single notch changes the original stop position by about 0.3 mm.
Press the push switch (PSW) after deciding on a position to discharge the copy paper and store
the optimum value.
Figure 11-259
Relationship between Rotary Switch Direction and Original Position
Table 11-205
Position (shift) of original
Toward leading edge
Toward trailing edge
Direction of rotary switch
Clockwise
Counterclockwise
0
F
E
D
C
B
A
9
7
6
5
4
3
2
1
ON
1
2
PSW
SW2
8