Error And Maintenance Messages - Brother MFC-9840CDW User Manual

Error and maintenance messages

As with any sophisticated office product, error and maintenance messages may be displayed. The
most common error and maintenance messages are shown below.
Error Message Cause
The device is removed from the
Access Error
USB direct interface while the
data is processing.
Calibration failed.
Calibrate
The toner cartridge is not installed
Cartridge Error
properly.
Put the Black (K)
Toner Cartridge
1
back in.
1
The toner
cartridge colour
with the problem is
shown in the
message.
It is time to replace the belt unit.
Change Parts
Belt Unit
The drum unit is near the end of
Change Parts
its life.
Drum
The drum unit counter was not
reset when a new drum was
installed.
138
Action
Press Stop/Exit. Reinsert the device and try to
print with direct print or PictBridge.
Press Mono Start or Colour Start and try it
again.
Do one of the following:
Turn off the machine's power switch. Wait a
few seconds, then turn it on again.
Put in a new drum unit. (See Replacing the
drum unit on page 182.)
Put in a new belt unit. (See Replacing the
belt unit on page 188.)
Put in a new waste toner box. (See
Replacing the waste toner
box on page 193.)
If the problem continues, call your Brother
dealer.
Pull out the drum unit, take out the toner
cartridge that is indicated on the LCD, and put it
back into the drum unit again.
Replace the belt unit. (See Replacing the belt
unit on page 188.)
Use the drum unit until you have a print quality
problem; then replace the drum unit with a new
one.
Press Menu, 8, 4, and then
Drum.
Press OK and press 1 to reset the drum unit
counter.
C
or to choose
a b