When a Problem Cannot Be Solved

If you cannot solve a problem 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 repair the machine yourself, it may not be covered by warranty.

When contacting us, have the following information ready:

Product name (MF419x / MF416dw)

Dealer where you purchased the machine

Details about your problem (such as what you did and what happened as a result)

Serial number (eight alphanumeric characters long, found on the label on the back side of the machine)


Checking the serial number from the operation panel MF419x Press (), and tap <Check Device Configuration>. You can also check by <Device Status> <Serial Number>. MF416dw Press , and tap <Device Status> <Serial Number>.