Brother MFC-7340 User Manual page 125

Error Message
Cooling Down W
ait for a while
Cover is Open
Cover is Open
Cover is Open
Disconnected
Document Jam
Drum Error
Cause
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 LCD shows
Cooling Down, and
Wait for a while.
The front cover is not closed
completely.
The fuser cover is not closed
completely.
The fuser cover is not closed
completely or paper was jammed
in the back of the machine when
you turned on the power.
The other person or other
person's fax machine stopped the
call.
The document was not inserted
or fed correctly, or the document
scanned from the ADF was too
long.
The corona wire on the drum unit
needs to be cleaned.
The drum unit has reached the
end of its life.
Troubleshooting and routine maintenance
Action
Make sure that you can hear the fan in the
machine spinning and that the exhaust outlet
is not blocked by something.
If the fan is spinning, remove any obstacles
that surround the exhaust outlet, and then
leave the machine turned on but do not use
it for several minutes.
If the fan is not spinning do one of the
following:
(MFC-7340 and MFC-7440N only)
See Transferring your faxes or Fax Journal
report on page 118 before disconnecting the
machine so you will not lose any important
messages.
Then, disconnect the machine from the
power for several minutes and then
reconnect it.
(MFC-7450, MFC-7840N and MFC-7840W
only)
Disconnect the machine from the power for
several minutes, then reconnect it. (The
machine can be turned off for up to 4 days
without losing faxes stored in the memory.
See Transferring your faxes or Fax Journal
report on page 118.)
Close the front cover of the machine.
Close the fuser cover of the machine.
Make sure paper is not jammed inside the
back of the machine, and then close the
fuser cover and press Start.
Try to send or receive again.
See Document jams on page 120 or Using
the automatic document feeder (ADF)
on page 19.
Clean the corona wire on the drum unit. (See
Cleaning the corona wire on page 129.)
Replace the drum unit. (See Replacing the
drum unit on page 137.)
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