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Troubleshooting and Maintenance 119
18
Troubleshooting and Maintenance
Error Messages
You may occasionally encounter a difficulty with the machine or telephone line. If this happens, the
machine often identifies the problem and displays an error message. The list below explains the most
common error messages, in alphabetical order.
ERROR MESSAGE CAUSE ACTION
CHANGE DRUM SOON
The drum unit is near the end of its
life.
If you have a print quality
problem, replace the drum unit
with a new one.
CHANGE TONER If the display shows CHANGE
TONER, you can still print. But the
toner is depleted and the machine is
telling you that the toner will soon
run out.
Order a new toner cartridge now.
CHECK DOCUMENT
Documents were not inserted or fed
properly or document was too long.
Do not pull paper out until you see
Document Jam, page 121.
CHECK DRUM UNIT
Drum unit is not installed. Reinstall the drum unit.
CHECK PAPER The machine is out of paper or paper
is not properly loaded in the Multi-
purpose Sheet Feeder.
Refill the paper or remove the
paper and load it again and then
press Fax Start.
CHECK PAPER SIZE
Paper Size is improper for fax
receiving.
Load A4 paper in multi-purpose
sheet feeder, and then press
Fax Start.
COMM.ERROR A poor quality phone line caused
communications error.
Try the call again.
CONNECTION FAIL You tried to poll a fax machine that is
not in Polled Waiting mode.
Verify the other party’s polling
setup.
COOLING DOWN
WAIT FOR A WHILE
The temperature of the drum unit or
toner cartridge is too hot. The
machine will pause its current print
job and go into cooling down mode.
During the cooling down mode, you
will hear the cooling fan running
while the display on the machine
shows COOLING DOWN and
WAIT FOR A WHILE.
You must wait and allow the
machine to resume printing when
it is ready.
COVER OPEN The top cover was not completely
closed.
Open, then close, the cover.
DISCONNECTED The other party or other party’s fax
machine terminated the call.
Try to re-transmit or call the other
party to see what happened.
MACHINE ERROR XX
Machine has a mechanical problem. Unplug the machine.
Then contact your Brother dealer
for service.