Canon NP6251 Service Manual page 533

CHAPTER 11 TROUBLESHOOTING
(Steps)
1
2
3
When checking the voltage using a meter, you may come across such instructions
as "Measure the voltage between J109-1 (+) and J109-2 (–) on the DC controller
PCB." Connect the positive probe of the meter to the terminal marked (+) and the
negative probe to the terminal marked (–).
11-2
COPYRIGHT © 1997 CANON INC.
(Checks)
Is the power
plug connected to the
power outlet?
YES
Are the front
door and the delivery
door closed firmly?
YES
Is the specified
voltage at the power
outlet?
YES
Omitted.
CANON NP6350/NP6251 REV. 0 JULY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
(YES/NO) (Action)
Connect the
NO
power plug.
NO
Close the door
or the cover.
The problem is
NO
not of the copier.
Advise the user.