CHAPTER 5 TROUBLESHOOTING
5-40
COPYRIGHT © 1999 CANON INC.
CANON ADF FOR iR600 REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
J1
J2
J5
J3
J6
J7
J8
J9
J10
J11
J14
J13
J12
J4
FU2
FU1
SW1
LED2
IC1
SW4SW3SW2
SW2
J1
J2
J5
J3
J6
J7
J8
J9
J10
J11
J14
J13
J12
J4
FU2
FU1
SW1
LED2
IC1
SW4SW3SW2
SW4
SW3
J1
J2
J5
J3
J6
J7
J8
J9
J10
J11
J14
J13
J12
J4
FU2
FU1
SW1
LED2
IC1
SW4SW3SW2
SW2
Figure 5-179
Figure 5-178
Figure 5-177
LED2 indication
ON
Flashing
Copy paper
Present
Absent
2) Press the push switch (SW2) once.
The 7-segment LED (LED2) on the ADF
controller PCB will start to flash for '1', in-
dicating that the sensor operation diagnosis
function has turned on.
3) Operate the push switch SW3 or SW4 to
change the indication of the 7-segment LED
(LED2), thereby checking the presence/ab-
sence of paper over a specific sensor. (See
also Table 5-117.)
Table 5-118
4) To end a check, press the push switch
(SW2) once.
LED2 indication will change to indicate
normal operation.