Brother MFC-9130CW Basic User's Manual page 123

Error Message
Toner Low
Too Many Files
Touchscreen
Initialization
Failed
Unusable Device
Remove the Device.
Turn the power off
and back on again.
Unusable Device
USB
Write-protected
WT Box End Soon
Cause
If the Touchscreen shows
Toner Low you can still print;
however, the machine is telling
you that the toner cartridge is
near the end of its life.
There are too many files stored
on the USB Flash memory
drive.
The Touchscreen was pressed
before the power on
initialization was completed.
Debris may be stuck between
the lower part of the
Touchscreen and its frame.
A defective USB device or a
high power consumption USB
device has been connected to
the USB direct interface.
A USB device or USB Flash
memory drive that is encrypted
or not supported has been
connected to the USB direct
interface.
The protect switch of the USB
Flash memory drive is on.
The waste toner box is near the
end of its life.
Action
Order a new toner cartridge for the color that is
indicated on the Touchscreen now so a
replacement toner cartridge will be available
when the Touchscreen shows Replace
Toner.
Reduce the number of files stored on the USB
Flash memory drive.
Make sure nothing is touching or resting on the
Touchscreen.
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 the debris.
Unplug the device from the USB direct
interface. Press and hold down
machine off, and then turn it on again.
Unplug the device from the USB direct
interface (see the specifications for supported
USB Flash memory drives in Printing data from
a USB Flash memory drive or digital camera
supporting mass storage (For MFC-9330CDW
and MFC-9340CDW) on page 61).
Turn off the protect switch of the USB Flash
memory drive.
Buy a new waste toner box before you get a
Replace WT Box message.
Troubleshooting
to turn the
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