Operation Manual

When a Problem Cannot Be Solved
1W2X-0AU
If you cannot solve a pr
oblem by referring to the information in this chapter, contact your local authorized Canon
dealer or the Canon help line.
Do not disassemble or repair the machine yourself
● If you disassemble or r
epair the machine yourself, it may not be covered by warranty.
◼ When Contacting Canon
When contacting us, have the follo
wing information ready:
● Product name (MF735Cx / MF734Cdw / MF732Cdw / MF635Cx / MF633Cdw / MF631Cn)
● Dealer where you purchased the machine
● Details about your problem (such as what you did and what happened as a result)
● Serial number (found on the label on the back side of the machine)
MF735Cx / MF734Cdw / MF732Cdw MF635Cx / MF633Cdw / MF631Cn
Checking the serial number from the operation panel
● Select <Status Monitor> <Device Information> <Serial Number>.
Troubleshooting
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