Brother DCP-9055CDN Basic User's Manual page 92

Error Message
Registration
Replace Parts
Belt Unit
Replace Parts
Drum
Replace Parts
Fuser Unit
Replace Parts
PF Kit 1
PF Kit 2
PF Kit MP
Replace Toner
Replace WT Box
Scan Unable XX
(XX = Error Code)
Short paper
Size Error DX
84
Cause
Registration failed.
It is time to replace the belt unit.
It is time to replace the drum unit. Replace the drum unit.
The drum unit counter was not
reset when a new drum was
installed.
It is time to replace the fuser unit. Call your Brother dealer or a Brother
It is time to replace the paper
feeding kit.
The toner cartridge is at the end
of its life.
It is time to replace the waste
toner box.
The machine has a mechanical
problem.
The length of the paper in the tray
is too short for the machine to
deliver it to the Face-down output
tray.
The paper size defined in the
printer driver is not usable for the
automatic duplex printing.
Action
Press Mono Start or Colour Start and try
again.
Do one of the following:
 Turn off the machine's power switch.
Wait a few seconds, then turn it on again.
 Try Manual Registration, Menu, 3, 8.
(See Manual Registration on page 78.)
 Put in a new belt unit. (See Replacing the
belt unit on page 48.)
 If the problem continues, call your
Brother dealer.
Replace the belt unit. (See Replacing the
belt unit on page 48.)
(See Replacing the drum unit on page 42.)
Reset the drum unit counter.
(See Resetting the drum counter
on page 47.)
Authorized Service Center to replace the
fuser unit.
Call your Brother dealer or a Brother
Authorized Service Center to replace the
PF Kit.
Replace the toner cartridge for the colour
indicated on the LCD. (See Replacing a
Toner cartridge on page 35.)
Replace the waste toner box. (See
Replacing the waste toner box on page 53.)
 Turn the power switch off and then turn it
on again.
 If the problem continues, call your
Brother dealer.
Open the back cover to let the printed paper
out on the back output tray. Remove the
printed pages and then press Mono Start or
Colour Start.
Press Mono Start or Colour Start. Choose
a paper size which is supported by the
duplex tray. (See Type and size of paper
on page 20.)