3-4 Phaser 6121MFP Service Manual
Error Messages and Codes
Error Messages
Jam Errors
When a misfeed occurs, the printer displays the corresponding misfeed status on 
the control panel. Jam error code troubleshooting procedures begin on page 3-56.
Message Description
Jam at Tray2
Clear jam and
open and close cover
Jam at Tray 2.
Check Tray1 paper
Load paper
or remove top sheet.
(Press Start key)
to continue
Tray 1 is empty of paper, or there is a paper jam at 
feed section.
Jam at Duplex Unit
Open top cover and
duplex unit cover
(Press any key)
Paper jam at the Duplex Unit.
Jam at Duplex Unit
Open Duplex cover
clear jammed paper
Paper jam in the Duplex Unit.
Jam at Transfer
Open top cover and 
remove Imaging Unit
clear jammed paper
close top cover
Paper jam at Transfer Roller.
Jam at Fuser
Open top cover
clear jammed paper
Paper jam at Fuser.
Jam at Output tray
Open Top cover
Paper jam at Output tray.
Original Doc. Jam
Open Doc. Feeder and
clear the original.
Reinsert original 
and press the Start key.
Paper jam at the ADF.