Canon CLC 1120 Service Manual page 528

Guide to the Troubleshooting Tables
The troubleshooting procedure tables used in this document are compiled by tabulating
commonly found troubleshooting flow charts. Study the following for an idea of how you may use
the tables; for example, if the problem is the absence of AC power,
Cause
Power plug (not
connected)
Covers (not closed
fully)
Power supply
(absent)
· If you want to find out the cause (part) of the problem in question, see the "Cause" column.
In the case of "AC power is absent," you may suspect that the power plug is disconnected,
covers are not closed fully, or main power is absent.
· If you want to find out the checks to make or actions to take for a specific problem, see the
"Checks" or "Action" column. Answer the question in the "Check" column Yes or No; if Yes,
take the action shown. Otherwise, go to the next step.
COPYRIGHT © 1999 CANON INC.
Step Checks
1 Is the power plug connected to the
power outlet?
2 Are the front door and the delivery
cover closed fully?
3 Is the rated voltage present at the
power outlet?
4 Is the rated voltage present
between J1-1 and -2? (J1 is found
near the power cord base.)
CANON CLC1120/1130/1150 REV.0 MAR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 13 TROUBLESHOOTING
Yes/No
NO Connect the plug.
NO Close the door or the
cover fully.
NO Advise the user that the
problem is not of the
copier.
YES Go to step 6.
Action
13-1