Information to Have Ready When Contacting Us

Have the following information ready to ensure smooth service.

Product name (MF746Cdw / MF745Cdw / MF743Cdw / MF741Cdw / MF656Cdw / MF654Cdw / MF653Cdw / MF652Cw / MF644Cdw / MF642Cdw / MF641Cw / MF543dw / MF455dw / MF453dw / MF452dw / MF451dw / MF449dw / MF448dw / MF445dw)

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)

MF746Cdw / MF745Cdw / MF743Cdw / MF741Cdw

MF656Cdw / MF654Cdw / MF653Cdw / MF652Cw / MF644Cdw / MF642Cdw

MF641Cw

MF543dw

MF455dw / MF453dw / MF452dw / MF451dw / MF449dw / MF448dw / MF445dw

NOTE

Checking the serial number from the operation panel

<Serial Number>.

IMPORTANT

Do not disassemble or repair the machine yourself

If you disassemble or repair the machine yourself, it may not be covered by warranty.

Customer Support (U.S.A.)

If you cannot solve a problem by referring to the information in this chapter, for the fastest resolution, please refer to available support materials (including the Knowledgebase FAQs and How to Video material) for your product at www.usa.canon.com.

Customer Support (Canada)