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.
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IMPORTANT
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Do not disassemble or repair the machine yourselfIf you disassemble or repair the machine yourself, it may not be covered by warranty.
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When Contacting Canon
When contacting us, have the following information ready:
Product name (MF249dw / MF246dn / MF237w / MF235)
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)
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MF249dw / MF246dn
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MF237w / MF235
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