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Troubleshooting and routine maintenance
139
C
Change Parts
Fuser Unit
It is time to replace the fuser unit. Call your Brother dealer to purchase the fuser
unit.
Change Parts
Laser Unit
It is time to replace the laser unit. Call your Brother dealer to purchase the laser
unit.
Change Parts
PF kit MP
It is time to replace the paper
feeding kit for the MP tray.
Call your Brother dealer to purchase the
PF Kit MP.
Change Parts
PF kit 1
It is time to replace the paper
feeding kit for Tray 1.
Call your Brother dealer to purchase the
PF Kit 1.
Change Parts
PF kit 2
It is time to replace the paper
feeding kit for Tray 2.
Call your Brother dealer to purchase the
PF Kit 2.
Change Parts
Waste Toner Box
The waste toner box is almost full. Be ready to replace the waste toner box. (See
Check Paper Size
The paper in the tray is not the
correct size.
Load the correct size of paper in the tray and set
the
“
Paper Size
”
(
Menu
,
1
,
3
) and
“
Tray Use
”
(
Menu
,
1
,
7
). (See
Comm.Error
Poor telephone line quality
caused a communication error.
Try sending the fax again or try connecting the
machine to another telephone line. If the
problem continues, call the telephone company
and ask them to check your telephone line.
Connection Fail
You tried to poll a fax machine
that is not in Polled Waiting mode.
Check the other fax machine’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 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
isn't 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 follow the suggestions
below.
Turn off the machine's power switch and then
turn it on again. If the error message continues
leave the machine for several minutes and then
try it again. (The machine can be turned off for
up to 60 hours without losing faxes stored in the
memory.)
Cover is Open
Close the Front
Cover.
The front cover is not closed
completely.
Close the front cover of the machine.
Error Message
Cause
Action
Summary of Contents for MFC-9840CDW
Page 1: ...USER S GUIDE MFC 9840CDW Version B ARL ASA NZ ...
Page 90: ...Chapter 11 80 ...
Page 91: ...Section III Copy III Making copies 82 ...
Page 100: ...Chapter 12 90 ...
Page 109: ...Section V Software V Software and network features 100 ...