Error Message Cause Action
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.
Service Error ## Machine's firmware has a
problem.
• Contact Brother customer service.
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 sizes available for automatic 2-sided
printing are A4, Letter, Legal, Mexico Legal, India
Legal and Folio.
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
indicated on the LCD and set the size of paper for
the tray.
Supplies
Drum End Soon
The drum unit is near the end of
its life.
Order a new drum unit before the LCD displays
Replace Drum.
Supplies
Prepare New Toner
Cartridge.
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 now so a
replacement toner cartridge is available when the
LCD displays Replace Toner.
Supplies
Replace Drum
It is time to replace the drum
unit.
Replace the drum unit with a new one.
The drum unit counter was not
reset when a new drum was
installed.
Reset the drum unit counter.
See the instructions included with the new drum
unit.
Too Many Trays
The number of installed
Optional Trays exceeds the
maximum number.
Reduce the number of Optional Trays.
Touchscreen
Initialisation Failed
The Touchscreen was pressed
before the power on
initialisation was completed.
Make sure nothing is touching the Touchscreen.
Debris may be stuck between
the lower part of the
Touchscreen and its frame.
Insert a piece of stiff paper between the lower part
of the Touchscreen and its frame and slide it back
and forth to push out any debris.
Unusable Device
A USB device or USB Flash
memory drive that is encrypted
or not supported has been
connected to the USB direct
interface.
Unplug the device from the USB direct interface.
Unusable Device
Remove the Device. Turn
the power off and back
on again.
A defective USB device or a
high power consumption USB
device has been connected to
the USB direct interface.
• Unplug the device from the USB direct
interface.
• Press and hold to turn the machine off,
and then turn it on again.
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