2123
Cause
Top feed paper information registration is incomplete.
What to Do
If the feed slot cover is open, close it.
If the screen similar to the following is displayed, the top feed paper information registration is incomplete.
If the paper loaded in the top feed matches the paper information displayed on the printer's screen, select Register using the 
buttons and press the printer's OK button.
If it is different, select Page size or Type and press the printer's OK button. Then register the correct paper information.
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.
Or if you still need help, visit our Canon Community by clicking the button below to get answers:
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