Canon imageCLASS MF7470 Basic Operation Manual page 329

Please have the following information ready when you contact Canon:
– Product name
– Serial number: Press
– 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 Authorized Service Facilities or the 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.
11‑32
(Serial No.) to check your number.