A sheet of paper or specialty media failed to feed completely from the multipurpose feeder. Part of it may still be visible. If it is visible, gently pull the jammed sheet from the front of the multipurpose feeder.
If the sheet is not visible, complete the following steps:
Open the front door, and then remove the unit.
Lift the flap at the front of the printer, and then remove any jammed sheets of paper that are short lengths of paper.
Align and insert the unit.
Close the front door.
Press 
.