Brother DCP-L8400CDN Basic User's Manual page 109

Error Message
Registration
failed.
Rename the File
Replace Belt
Replace Drum
Replace Fuser
Replace Laser
Replace PF Kit MP
Replace PF Kit1
Replace PF Kit2
1
Replace Toner
1
The Touchscreen
indicates the toner
cartridge colour that
you must replace.
BK=Black, C=Cyan,
M=Magenta, Y=Yellow
Replace WT Box
Cause
Registration failed.
There is already a file on the
USB flash drive with the same
name as the file you are trying
to save.
It is time to replace the belt
unit.
It is time to replace the drum
unit.
The drum unit counter was not
reset when a new drum was
installed.
It is time to replace the fuser
unit.
It is time to replace the laser
unit.
It is time to replace the paper
feeding kit.
The toner cartridge is at the
end of its life. The machine will
stop all print operations.
It is time to replace the waste
toner box.
Action
Press OK and try again.
 Press and hold down
machine.
Wait a few seconds, then turn it on again.
Perform the automatic colour registration
using the Touchscreen (see Colour
Registration on page 94).
 Put in a new belt unit (see Replacing the
belt unit on page 63).
If the problem continues, contact Brother

customer service.
Change the file name of the file on the USB
flash drive or the file you are trying to save.
Replace the belt unit (see Replacing the belt
unit on page 63).
Replace the drum unit (see Replacing the drum
unit on page 56).
Reset the drum unit counter by following the
instructions included with the new drum unit.
Contact Brother customer service or your local
Brother dealer to replace the fuser unit.
Contact Brother customer service or your local
Brother dealer to replace the laser unit.
Contact Brother customer service or your local
Brother dealer to replace the paper feeding kit.
Replace the toner cartridge for the colour
indicated on the Touchscreen (see Replacing
the toner cartridges on page 51).
Replace the waste toner box (see Replacing
the waste toner box on page 68).
Troubleshooting
to turn off the
101
B