Brother 9840CDW - Color Laser - All-in-One User Manual page 150

Error Message Cause
It is time to replace the laser unit. Call Brother Customer Service to replace the
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.
The back cover is not closed
Cover is Open
completely.
The other person or other
Disconnected
person's fax machine stopped the
call.
134
Action
laser unit.
Call Brother Customer Service to replace the
PF Kit MP.
Call Brother Customer Service to replace the
PF Kit 1.
Call Brother Customer Service to replace the
PF Kit 2.
Replacing the waste toner box on page 188.)
Load the correct size of paper in the tray and set
the "Paper Size" (Menu, 1, 3) and "Tray Use"
(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.)
Send the fax again or connect 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 4 days without losing faxes stored in the
memory.)
Close the front cover of the machine.
Close the back cover of the machine.
Try to send or receive again.