Canon MG2900 series Online Manual page 684

1203
Cause
The cover is opened while printing is in progress.
Action
If paper is left inside the machine, remove the paper slowly with both hands and close the cover.
Press the machine's Black or Color button to dismiss the error.
The machine ejects one blank sheet of paper and resumes printing from the next paper.
The machine will not reprint the page that was printed when the cover is opened. Try printing again.
Important
• Do not open or close the cover while printing is in progress, as this can damage the machine.
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