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CHAPTER 11 TROUBLESHOOTING
COPYRIGHT
©
1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
11-2
• Often, you will find the following instructions when checking the voltage using a meter: “mea-
sure the voltage between J109-1 (+) and -2 (-) on the DC controller PCB.” The symbol “+”
indicates the terminal to which you are expected to connect the positive probe of the meter and
“-,” the negative probe.
example:
J109-1 (+) ..... Connect the positive probe.
J109-2 (-) ...... Connect the negative probe.
Is the power
plug connected to the
power outlet?
Are the front door
and the delivery cover
closed firmly?
Is the rated
voltage present at the
power source?
Connect
the plug.
Close the door
or the cover.
Advise the user
that the problem
is not the copier's.
<Checks><Step>
1
YES
NO
NO
NO
YES
YES
Rest omitted.
2
3
<YES/NO> <Action>