Cause
A paper size or media type that can't be fed from the cassette is specified.
What to Do
Press the printer's Stop
button to cancel printing.
Specify the paper size setting to A4, Letter, A5, or B5 and specify the media type setting to Plain Paper. Then retry printing.
If you don't want to change the paper size setting or the media type setting, select the rear tray as the paper source.
If your product issue was not resolved after following the steps above, or if you require additional help, please create or log in to your Canon Account to see your technical support options.