Specifications

COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001
CHAPTER 5 TROUBLESHOOTING
5-29
5) Press the push switch (SW2) on the
ADF controller PCB.
• The LED will indicate the following in
sequence, showing the result at the
end: 1, 2, 3, 4, 5, 6, 7, 8, 9, A.
Result
OK
NG
LED2
indication
(0)
(F)
Description
All sensors
(S1 through S9 are
normal).
Any of the sensors (S1
through S9) is faulty.
T05-102-02
6) At the end of the operation, press the
push switch (SW2) on the ADF control-
ler PCB once again.
If the Result is NG
Check the condition of each of the sen-
sors (S1 through S9), and replace the sensor
considered to be faulty.
The condition of a sensor is indicated in
the following three levels:
Condition
Good
Alarm 1
Alarm 2
Faulty
LED2
indication
( )
( )
( )
(F)
Check or
replace
No
No
Yes
Ye s
T05-102-03
J1
J2
J5
J3
J6 J7 J8 J9 J10 J11
J14
J13
J12
J4
FU2
FU1
SW1
LED2
IC1
SW4SW3SW2
SW2
F05-102-05