User Manual

Error Message Cause Action
Replace WT Box
It is time to replace the waste
toner box.
Replace the waste toner box with a new one.
See Related Information: Replace the Waste
Toner Box.
Scan Unable
The document is too long for
2‑sided scanning.
Press . For 2-sided scanning, use A4 size
paper. Other paper must be within the following
size:
Length: 147.3 to 355.6 mm
Width: 105 mm to 215.9 mm
Scan Unable ## The machine has a mechanical
problem.
• Press and hold to turn the machine off,
and then turn it on again.
• If the problem continues, contact Brother
customer service.
Self-Diagnostic
The temperature of the fuser
unit does not rise to a specified
temperature within the specified
time.
Press and hold to turn the machine off, wait a
few seconds, and then turn it on again. Leave the
machine idle for 15 minutes with the power on.
The fuser unit is too hot.
Short paper
The length of the paper in the
tray is too short for the machine
to deliver it to the Face down
output tray.
Open the back cover (Face up output tray) to let
the printed page exit onto the Face up output tray.
Remove the printed pages, and then press
Retry.
Size Error
The paper size defined in the
printer driver is not supported
by the defined tray.
Choose a paper size supported by the defined
tray.
Size Error 2-sided
The paper size specified in the
machine's paper size setting is
not available for automatic 2-
sided printing.
Press (if required).
Load the correct size of paper in the tray and set
the tray for that paper size.
Choose a paper size supported by 2-sided
printing.
Paper size available for automatic 2-sided printing
is A4.
The paper in the tray is not the
correct size and is not available
for automatic 2-sided printing.
Size Mismatch
The paper in the tray is not the
correct size.
Load the correct size of paper in the tray and set
the size of paper for the tray.
Supplies
Belt End Soon
The belt unit is near the end of
its life.
Order a new belt unit before the LCD displays
Replace Belt.
Supplies
Replace Belt
It is time to replace the belt unit. Replace the belt unit with a new one.
See Related Information: Replace the Belt Unit.
Supplies
Toner Low: X
(X indicates the toner cartridge
or drum unit colour that is near
the end of its life. BK=Black,
C=Cyan, M=Magenta,
Y=Yellow.)
If the LCD displays this
message, you can still print.
The toner cartridge is near the
end of its life.
Order a new toner cartridge before the LCD
displays Replace Toner.
Supplies
WT Box End Soon
The waste toner box is almost
full.
Order a new waste toner box before the LCD
displays Replace WT Box.
Toner Error
One or more toner cartridges
are not installed or not installed
correctly.
Pull out the drum units. Remove all of the toner
cartridges, and then put them back into the drum
units.
471