Canon DADF-J1 Service Manual page 181

CHAPTER 5 TROUBLESHOOTING
5) Open the DADF slowly, and check to
make sure that D indicated is 11±1 mm.
Close the DADF slowly.
6) To adjust the original stop position, use
the push switches SW3 and SW4 on the
ADF controller PCB.
A single press on each switch will shift
the original stop position by 0.5 mm.
When the correct position is attained
(after switch operation), press the push
switch SW2.
• The original will be delivered, and the
new setting will be stored in memory.
Switch
SW3
SW4
T05-101-04
Holding down the push switch
will not cause more than a
single shift.
5-24
Direction of shift
Right
Left
COPYRIGHT © 2001 CANON INC.
Original
D
D=11±1mm
F05-101-55
J1
FU2
J2
J4
IC1
FU1
SW1
J5
LED2
SW4SW3SW2
J3
J6
SW2
SW3
SW4
F05-101-56
Original
SW4 SW3
F05-101-57
2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001
J14
J13
J12
J7 J8 J9 J10 J11