Cause
No document in ADF (Auto Document Feeder).
What to Do
Select OK on the printer's touch screen to cancel the error and operate again after loading documents in the ADF.
Be careful not to let anything get inside the document output slot of the ADF. It may cause damage.
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.
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