Kyocera FS-C5020N Basic Operation Manual page 79

[Paper jam Cassette 2 (to 4)]
[Paper jam EF]
[Paper jam Duplexer]
BASIC OPERATION GUIDE
Paper is jammed at optional paper cassette 2 (to 4). Refer to the Operation
Guide for the optional paper cassette and remove the jammed paper.
Paper is jammed at the optional envelope feeder. Remove the jammed
paper using the same procedure as for a jam at the MP Tray. Then, open
and close the paper transfer unit. For details, refer to the User's Manual for
the envelope feeder.
Paper is jammed inside the rear cover of the optional duplexer or at the
duplexer drawer. Refer to the Operation Guide for the duplexer and
remove the jammed paper.
Troubleshooting
5-19