Kyocera DU-31 Anleitung Seite 19

3.
Check the guide changer on the left side of the fuser unit. Should paper be
jammed underneath, raise the guide changer and the fuser unit cover
(hold the [green] knob). Remove paper as shown in the following figure.
Fuser unit
cover
Guide changer
After remedying, the message display indication changes to the following:
Paper jam
I, 3
4.
After confirming that paper is not jammed in the transfer unit, return the
transfer unit alone into the printer.
5.
Turn the lock lever clockwise to securely lock the transfer unit.
18
Transfer unit
Jammed paper