Brother MFC 9840CDW - Manual (Page 149)

Troubleshooting and routine maintenance
133
C
Error and maintenance messages
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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 Action
Access Error The device is removed from the
USB direct interface while the
data is processing. Press Stop/Exit. Reinsert the device and try to
print with direct print or PictBridge.
Calibrate Calibration failed. Press Black Start or Color 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 177.)
„ Put in a new belt unit. (See Replacing the
belt unit on page 183.)
„ Put in a waste toner box. (See Replacing the
waste toner box on page 188.)
„ If the problem continues, call Brother
Customer Service.
Cartridge Error
Put the Black (K)
Toner Cartridge
back in.
1
1 The toner
cartridge color
with the problem is
shown in the
message.
The toner cartridge is not installed
properly. 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.
Change Parts
Belt Unit
It is time to replace the belt unit. Replace the belt unit. (See Replacing the belt
unit on page 183.)
Change Parts
Drum
The drum unit is near the end of
its life. Use the drum unit until you have a print quality
problem; then replace the drum unit with a new
one.
(See Replacing the drum unit on page 177.)
The drum unit counter was not
reset when a new drum was
installed. Press Menu, 8, 4, and then a or b to choose
Drum.
Press OK and press 1 to reset the drum unit
counter.
Change Parts
Fuser Unit
It is time to replace the fuser unit. Call Brother Customer Service to replace the
fuser unit.