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CHAPTER 5 TROUBLESHOOTING
C.
DIP Switch Functions
The DIP switch DSW1 on the DADF controller PCB have the functions shown in Table 5-403.
Normal
operation mode
Normal operation
1
Pick-up/delivery
step operation
1
Reduced page
composition
mode
1
sheet-to-sheet
distance
adjustment
1
Pick-up/reversal/
delivery step
operation
1
Original stop
position
1
1
Continuous
pick-up/delivery
operation
1
Sensor level
check
1
5-30
COPYRIGHT © 1998 CANON INC.
DSW1 setting
O N
2
3
4
5
6
7
8
O N
2
3
4
5
6
7
8
O N
2
3
4
5
6
7
8
(bottom pick-up)
O N
2
3
4
5
6
7
8
(top pick-up)
O N
2
3
4
5
6
7
8
O N
2
3
4
5
6
7
8
(bottom pick-up)
O N
2
3
4
5
6
7
8
(top pick-up)
O N
2
3
4
5
6
7
8
O N
2
3
4
5
6
7
8
Table 5-403a
CANON DADF-A1 REV.0 DEC. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
With all bits at OFF, the machine is in normal
operation state.
Each press on the push switch SW3 on the DADF
controller PCB causes the machine to repeat pick-up/
delivery operation.
A press on the push switch SW3 on the DADF controller
PCB will cause the machine to pick-up two originals and
stop them on the copyboard side by side. Thereafter,
press the push switch SW1/SW2 as necessary to adjust
the sheet-to-sheet distance. At the end, press the push
switch SW3 to store the new setting.
Each press on the push switch SW3 on the DADF
controller PCB will cause the machine to repeat pick-up/
reversal/delivery operation.
A press on the push switch SW3 on the DADF controller
PCB will cause the machine to pick-up an original and
stop it on the copyboard glass. Thereafter, press the push
switch SW1/SW2 to adjust the original stop position.
At the end, press the push switch SW3 to store the new
setting.
Place three or more sheets of copy paper on the original
tray, and press the push switch SW3 on the DADF
controller so that the machine will repeat pick-up/
delivery operation continuously.
Each press on the push switch SW3 on the DADF
controller PCB will put the original tray paper sensor/
registration sensor in level check mode.
Purpose
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