OPEN PRINTER COVER. OPEN REAR COVER*.
Description: A paper jam has occurred in the machine.
<OPEN PRINTER COVER> or <OPEN REAR COVER> appears alternately.
Action: Clear the paper jam and reload paper in the paper
cassette or multi-purpose tray. The cover must be opened and closed
to resume the current job.
* This message only appears when the paper jam occurred during the 2-side printing.
Click on the below links to remove jammed paper:
Multi-Purpose Tray
Optional Paper Cassette
Paper Cassette
Duplex Unit