Brother MFC-9840CDW User Manual page 149

Error Message Cause
It is time to replace the fuser unit. Call your Brother dealer to purchase the fuser
Change Parts
Fuser Unit
It is time to replace the laser unit. Call your Brother dealer to purchase the laser
Change Parts
Laser Unit
It is time to replace the paper
Change Parts
feeding kit for the MP tray.
PF kit MP
It is time to replace the paper
Change Parts
feeding kit for Tray 1.
PF kit 1
It is time to replace the paper
Change Parts
feeding kit for Tray 2.
PF kit 2
The waste toner box is almost full. Be ready to replace the waste toner box. (See
Change Parts
Waste Toner Box
Check Paper Size The paper in the tray is not the
correct size.
Poor telephone line quality
Comm.Error
caused a communication error.
Connection Fail You tried to poll a fax machine
that is not in Polled Waiting mode.
The temperature of the drum unit
Cooling Down
or toner cartridge is too hot. The
Wait for a while
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
Cover is Open
completely.
Close the Front
Cover.
Troubleshooting and routine maintenance
Action
unit.
unit.
Call your Brother dealer to purchase the
PF Kit MP.
Call your Brother dealer to purchase the
PF Kit 1.
Call your Brother dealer to purchase the
PF Kit 2.
Replacing the waste toner box on page 193.)
Load the correct size of paper in the tray and set
" "
the Paper Size (Menu, 1, 3) and
(Menu, 1, 7). (See Paper size on page 23, Tray
use in copy mode on page 23, Tray use in fax
mode on page 24 and Tray use in print
mode on page 24.)
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.
Check the other fax machine's polling setup.
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.)
Close the front cover of the machine.
C
" "
Tray Use
139