Brother DCP-9270CDN Basic User's Manual page 100

Error Message
Small paper
Toner Error
Toner Low
Too Many Files
Unusable Device
92
Cause
The paper size specified in the
printer driver is too small for the
machine to deliver it to the face-
down output tray.
One or more toner cartridges are
not installed correctly.
The toner cartridge is near the
end of its life.
There are too many files stored
on the USB Flash memory drive.
An incompatible or defective
device has been connected to the
USB direct interface.
Action
Open the back cover (face-up output tray)
to let the document print on to the face-up
output tray. Then press Mono Start or
Colour Start.
Pull out the drum unit. Take out all the toner
cartridges, and then put them back into the
drum unit.
Buy a new toner cartridge for the colour that
is indicated on the LCD before you get a
Replace Toner message.
Reduce the number of files stored on the
USB Flash memory drive.
Remove the USB Flash memory drive from
the USB direct interface.