If the multi bypass tray is attached to the machine, turn the machine off and detach the multi bypass tray. See Attaching and Detaching the Multi Bypass Tray.
Press the duplex unit cover button at the center of the bypass tray, and then open the duplex unit cover.
Remove the jammed paper.
Close the duplex unit cover.
Printing starts.
Blank paper may be delivered after printing resumes.
Continue to remove the jammed paper according to subsequent error messages until the messages no longer appear. See Paper Jam.
If paper jams occur repeatedly, see Paper Is Not Fed or Delivered Normally.