If you encounter problems when using the machine, check the items in this section before contacting us. If the problems persist, contact
your local authorized Canon dealer or the Canon help line.
Check the Following
Is the machine turned ON? Is the power cord connected?
If the machine is turned ON but does not respond, turn it OFF, check whether the power cord is connected correctly, and turn it
Connecting the Power Cord
Are the phone cord, LAN cable and USB cable connected correctly?
Check whether these cables are connected correctly. Use care not to mistake the phone cord's port for the other cables' ports.
Connecting the Telephone Line
Parts and Their Functions
Is sleep mode activated?
If you leave the machine unattended for a specific period of time, it enters sleep mode for power conservation, not allowing you
to operate it.
To cancel sleep mode, press
Is any message displayed on the display?
If a problem occurs, a message is displayed.
When an Error Message Appears
If a problem persists even after checking
Click the link that corresponds to the problem.
Faxing/Telephone Problems (MF8580Cdw / MF8550Cdn / MF8280Cw Only)
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