Canon NP6317 Service Manual page 207

12. AC power is not supplied
Cause/Problem
Procedure
area
Power plug 1
Door switches 2
Line power 3
4
Noise filter 5
Power cord
Door 6
switch (DS1)
Power 7
switch (SW1)
Wiring
COPYRIGHT © 1999 CANON INC.
Check
Is the power cord plugged into the outlet?
Are the front door and the delivery assem-
bly closed completely?
Is line voltage being supplied to the power
outlet?
Is line voltage present between J1-1 and
J1-2?
Check the voltage between J101 and J102.
Is the voltage standard?
Check the continuity between the termi-
nals of the door switch (DS1). Is the resis-
tance 0 when the actuator is pressed, and
infinite when the actuator is released?
Check the continuity between the termi-
nals of the power switch (SW1). Is the re-
sistance 0 when the switch is "ON" and
infinite when "OFF"?
CANON NP6317 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 10 TROUBLESHOOTING
Result
No Plug it in.
No Close the door and the
delivery assembly.
No Explain to the user that
the problem is not in the
copier.
Yes Check from step 6.
Yes Check the wiring between
J103 and J103-2/J104 and
J103-1. If normal, replace
the noise filter.
No Check the power cord.
No Replace the door switch
(DS1).
No Replace the power
switch (SW1).
Yes Check the AC power line
wiring and connectors.
Action
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