Canon DADF-J1 Service Manual page 173

CHAPTER 5 TROUBLESHOOTING
3) Place a single sheet of A4 or LTR copy
paper in the original tray.
4) Press the push switch (SW2) on the
ADF controller PCB once.
• A single press on the push switch
(SW2) causes the original to be picked
up and stopped on the copyboard
glass.
5) Open the ADF slowly, and check to
make sure that C shown in the figure is
as indicated.
Original size
A4
LTR
T05-101-01
5-16
Value of C
03.1±1mm
11.9±1mm
COPYRIGHT © 2001 CANON INC.
Copy paper
F05-101-32
J1
FU2
J2
J4
IC1
FU1
SW1
J5
LED2
J3 SW4SW3SW2
J6 J7
SW2
F05-101-33
Original
F05-101-34
2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001
J14
J13
J12
J8 J9 J10 J11