Specifications

COPYRIGHT
©
2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001
CHAPTER 5 TROUBLESHOOTING
5-40
2) Press the push switch (SW2) once.
The 7-segment LED (LED2) on the
ADF controller PCB will start to flash
[1] to indicate that a check on the sen-
sor operation has started.
F05-103-15
3) Press the push switch SW3 or SW4; the
indication of the 7-segment LED
(LED2) will change to indicate the state
(paper present/absent) of the sensor in
question. (See T05-103-08.)
J1
J2
J5
J3
J6 J7 J8 J9 J10 J11
J14
J13
J12
J4
FU2
FU1
SW1
LED2
IC1
SW4SW3SW2
SW2
LED2
indication
ON
Flashing
Presence/absence of
paper
Present
Absent
T05-103-10 F05-103-16
J1
J2
J5
J3
J6 J7 J8 J9 J10 J11
J14
J13
J12
J4
FU2
FU1
SW1
LED2
IC1
SW4SW3SW2
SW4
SW3
4) To end the check, press the push switch
(SW2) once.
The LED2 indication will return to
normal mode.
F05-103-17
J1
J2
J5
J3
J6 J7 J8 J9 J10 J11
J14
J13
J12
J4
FU2
FU1
SW1
LED2
IC1
SW4SW3SW2
SW2