Common Problems
23FJ-04L
If you encounter pr
oblems 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 r
espond, turn it OFF, check whether the power cord is connected
correctly, and turn it back ON. For information on connecting the power cord, see Getting Started.
Manuals and Their Contents(P. 326)
Are the LAN cable and USB cable connected correctly?
● Check whether these cables ar
e connected correctly.
Back Side(P. 78)
Is sleep mode activated?
● If you leave the machine unattended for a specic period of time, it enters sleep mode for po
wer
conservation, not allowing you to operate it.
To cancel sleep mode, press any key other than the power switch.
Is any message displayed on the screen?
● If a pr
oblem occurs, a message is displayed.
Countermeasures for Each Message(P. 285)
If a pr
oblem persists even after checking
Click the link that corresponds to the problem.
Installation/Settings Problems(P. 263)
Printing Problems(P. 267)
Troubleshooting
262
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