82JS-043
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
MF455dw / MF453dw / MF452dw / MF451dw / MF449dw / MF448dw / MF445dw
NOTE
Checking the serial number from the operation panel
<Status Monitor>
<Device Information>
<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)
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.canon.ca/support.