C5550 MFP User’s Guide
Troubleshooting > 174
Error
560
561
562
563
Replace image drum
%ERRCODE%:%COLOR% drum 
life
The error occurs after the image 
drum has reached the end of its 
life.
Error 560: Y
Error 561: M
Error 562: C
Error 563: K
Message is displayed until the 
image drum is replaced.
Error
354
Replace fuser
%ERRCODE%: fuser life
The fuser has reached the end 
of its life and printing will stop.
Warning status takes effect at 
cover open/close.
Replace fuser.
Error
355
Replace belt
%ERRCODE%: belt life
The transfer belt has reached 
the end of its life and printing 
will stop.
Warning status takes effect at 
cover open/close.
Replace transfer belt.
Error
348
Check fuser
%ERRCODE%: fuser missing
Open the top cover, check the 
fuser is installed correctly and 
close the cover. 
If the code still appears, replace 
the fuser.
Error
544
545
546
547
Check toner cartridge
%ERRCODE%:%COLOR% 
improper lock lever
Toner cartridge lever has not 
been locked. 
Lock into place securely.
Error
340
341
342
Check image drum
%ERRCODE%:%COLOR% drum 
missing
Image drum not installed 
correctly.
Fit image drum.
Error
343
Check image drum & belt lock
%ERRCODE%: K drum missing
Indicates that the belt is 
unlocked or the black image 
drum is not installed properly.
Check and secure belt and/or 
image drum.
STATUS 
/ CODE
MESSAGE MEANING / ACTION