Canon NP6317 Service Manual page 202

CHAPTER 10 TROUBLESHOOTING
4. "E202" indication
Cause/Problem
Procedure
area
1
2
Scanner home 3
position
sensor (Q5)
DC controller
PCB
5. "E208" indication
Cause/Problem
Procedure
area
Mirror home 1
position
sensor (Q4)
Mirror motor 2
(M3)
6. "E210" indication
Cause/Problem
Procedure
area
1
Lens home 2
position
sensor (Q4)
DC controller
PCB
10-38
Check
Set the power switch OFF, remove the
copyboard glass, and move the scanner
fully to the right manually. Switch the
power ON. Does the scanner reverse?
Set the power switch OFF and move the
scanner fully to the left manually. Switch
the power ON. Does the scanner advance
very slightly after the lens moves?
Is the scanner home position sensor (Q5)
normal?
Check
Check Q4. Is Q4 normal?
Press the zoom key within 50%/200%.
Does the mirror carriage move?
Check
Switch the power ON. Does the lens move
to the left?
Is the lens home position sensor (Q4)
functioning normally? (See p. 2-10.)
COPYRIGHT © 1999 CANON INC.
Result
No
No
No
Yes
Result
No
Yes
No
Result
Yes
No
No
Yes
CANON NP6317 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Action
Refer to the sub-section
"Scanner does not
move."
Refer to the sub-section
"Scanner does not
move."
Check the wiring from
the DC controller PCB to
Q5. If it is normal, re-
place the scanner home
position sensor (Q5).
Replace the DC control-
ler PCB.
Action
Replace Q4.
Replace the DC control-
ler PCB.
Replace the mirror mo-
tor.
Action
Check from step 2.
Refer to the sub-section
"Lens does not move."
Check the wiring be-
tween the DC controller
PCB and Q4. If it is nor-
mal, replace Q4.
Replace the DC control-
ler PCB.