C5550 MFP User’s Guide
Troubleshooting > 172
Error
610
611
612
613
Install toner
%ERRCODE%:%COLOR% toner 
missing
Toner cartridge is not fitted.
Install genuine toner cartridge.
Error 610: Y
Error 611: M
Error 612: C
Error 613: K
Error
540
541
542
543
Check toner cartridge
%ERRCODE%:%COLOR% toner 
sensor error
If the code appears, contact 
your dealer.
Error
401
Open upper cover
%ERRCODE%: paper multi feed
Inappropriate long paper was 
fed from a tray. Check whether 
multi feed has happened (See 
“Clearing paper jams” ). 
Open and close the cover to 
perform recovery printing, and 
continue.
Error
400
Open front cover
%ERRCODE%: paper size error
Inappropriate size paper was fed 
from a tray. Check the paper in 
the tray or check for multi feed 
(See “Clearing paper jams” ). 
Open and close the cover to 
perform recovery printing, and 
continue.
Error
390
Check %TRAY%
%ERRCODE%: paper jam
Paper jam occurred during 
paper feeding from MP tray.
See “Clearing paper jams” .
If the code still appears, contact 
your dealer.
Error
391
392
Open front cover
%ERRCODE%: paper jam
Open the front cover, remove 
the paper and close the cover.
Error 391: Tray 1
Error 392: Tray 2
See “Clearing paper jams” .
If the code still appears, contact 
your dealer.
STATUS 
/ CODE
MESSAGE MEANING / ACTION