Canon Pixma MG3550 Online Manual page 325

2103
Cause
The machine cannot detect the paper size.
Action
Press the machine's Stop button to dismiss the error, then try to print again.
If this error still occurs even after printing again, set the machine not to detect the paper width by using the
operation panel, the printer driver, or Remote UI.
Note
• Depending on the type of paper, the machine may not detect the paper width.
Additionally, if the paper output cover is opened while printing is in progress, the machine may not
detect the paper width.
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