Canon imageCLASS MF4690 Operation Manual page 257

Please have the following information ready when you contact Canon:
– Product name (imageCLASS MF4690)
– Serial number (On the label located at the back of the machine)
– Place of purchase
– Nature of problem
– Steps you have taken to solve the problem and the results
If the machine makes strange noises, emits smoke or odd odor, turn off the main power switch immediately,
disconnect the power cord, and contact Canon Customer Care Center. Do not attempt to disassemble or repair
the machine yourself.
Attempting to repair the machine yourself may void the limited warranty.
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