Canon PIXMA MX922 Troubleshooting Guide - Page 157

1304 Cause Paper is jammed when performing automatic duplex printing. Action If the paper is jammed when performing automatic duplex printing, remove the paper following the procedure below. Important The power cannot be turned off while the machine is sending or receiving a fax, or when the received fax or the unsent fax are stored in the machine's memory. Make sure if the machine completed sending or receiving all the faxes before disconnecting the power cord. If you unplug the power cord, all the faxes stored in the machine's memory are deleted. Note If you need to turn off the machine to remove jammed paper during printing, press the Stop button to cancel print jobs before turning off the machine. 1. Detach the rear cover. Pull out the rear cover. 2. Detach the transport unit cover. Lift up the transport unit cover, then pull it out. 3. Pull out the paper slowly.