Canon imageRUNNER C3489 Reference Manual page 486

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Service Call Message
Press [Shutdown] to turn the main power switch OFF.
Wait at least 10 seconds before turning the main power switch
back to the "I" side.
( I side)
( side)
If the machine still does not operate normally, follow the
procedure below, then contact your local authorized Canon
dealer.
❑
Turn the main power switch OFF.
❑
Remove the power plug from the power outlet.
NOTE
When you contact your local authorized Canon dealer, have the following
information available:
- Product name
- Details of the malfunction
- The error code displayed on the touch panel display