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Troubleshooting and routine maintenance
115
B
Cooling Down
W
ait 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 LCD shows
Cooling Down
, and
Wait for a while
.
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
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
Cover is Open
The front cover is not closed
completely.
Close the front cover of the machine.
Cover is Open
The fuser cover is not closed
completely.
Close the fuser cover of the machine.
Cover is Open
The fuser cover is not closed
completely or paper was jammed
in the back of the machine when
you turned on the power.
Make sure paper is not jammed inside the
back of the machine, and then close the
fuser cover and press
Start
.
Disconnected
The other person or other
person’s fax machine stopped the
call.
Try to send or receive again.
Document Jam
The document was not inserted
or fed correctly, or the document
scanned from the ADF was too
long.
See
on page 120 or
the automatic document feeder (ADF)
Drum Error
The corona wire on the drum unit
needs to be cleaned.
Clean the corona wire on the drum unit. (See
The drum unit has reached the
end of its life.
Error Message
Cause
Action
Summary of Contents for MFC-7340
Page 1: ...USER S GUIDE MFC 7340 MFC 7450 MFC 7440N MFC 7840N MFC 7840W Version A ARL ASA NZ ...
Page 4: ...ii ...
Page 17: ...General information 7 1 ...
Page 82: ...Chapter 11 72 ...
Page 83: ...Section III Copy III Making copies 74 ...
Page 90: ...Chapter 12 80 ...
Page 91: ...Section IV Software IV Software and Network features 82 ...
Page 94: ...Chapter 13 84 ...