Brother DCP-9040CN User Manual page 114

f
Remove the orange protective cover.
g
Hold the handle of the toner cartridge
and slide the toner cartridge into the
drum unit. Make sure that you match the
toner cartridge color to the same color
label on the drum unit, and make sure
that you fold down the toner cartridge
handle (A) once the toner cartridge is in
place. Repeat this for all the toner
cartridges.
A
1
2
3
4
1 C - Cyan
2 M - Magenta
3 Y - Yellow
4 K - Black
100
h
Push the drum unit in until it stops.
A
i
Close the front cover of the machine.