Brother DCP-L8400CDN Service Manual page 63

Error Message
Upper line
Belt End Soon
Supplies
Drum End Soon.
Replace Belt
Replace Drum
Toner Low
WT Box End Soon
One or more Toner
Toner Error
Cartridges are not
detected. Pull out
and reinsert all 4
Toner Cartridges.
Remove any
Touchscreen
material which is
initialization
on the
failed
touchscreen.
Take out Tray 2 and
Tray 2 Error
push it back in
firmly.
Check the
Unable to
firmware update
Update
file and try again.
Middle line
Number of pages printed with the
belt unit will reach the upper limit
soon.
Number of the drum unit rotations
reaches the upper limit soon.
Number of pages printed with the
belt unit has reached the upper
limit.
Number of the drum unit rotations
has reached the upper limit.
Dot counter of the toner cartridge
(Black) or develop roller counter
reaches the upper limit soon.
Dot counter of the toner cartridge
(Cyan) or develop roller counter
reaches the upper limit soon.
Dot counter of the toner cartridge
(Magenta) or develop roller
counter reaches the upper limit
soon.
Dot counter of the toner cartridge
(Yellow) or develop roller counter
reaches the upper limit soon.
The waste toner sensor detected
that the waste toner box is almost
full.
The develop release sensor
detected the developer roller
disengagement or engagement
failure.
Error occurred during touch panel
initialization.
After the T2 paper tray unit is
opened and closed or the power
is turned ON, the T2 plate origin
sensor detects that lift-up of the
plate of the T2 paper tray unit is
not completed within the
specified period of time.
Execution of the program update
cannot be started because other
function is being executed.
2-33
Error
State
Codes
4300
4000
4400
4200
4B01
4B04
4B03
4B02
4700
6E00
D800
6C02
Refer
to:
2-48
2-47
2-48
2-47
2-49
2-49
2-49
2-49
2-49
2-59
2-84
2-58
--- 4.14.3
Confidential