Brother MFC-9840CDW User Manual page 196

f
Holding the toner cartridges by their
coloured handles, insert them one by
one back into the drum unit as shown.
Make sure that you match the toner
cartridge colour to the same colour 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
186
g
Put the drum unit back in the machine as
follows.
1
Make sure that the grey lock
lever (1) is in the up position and
put the drum unit in the machine.
Push down the grey lock lever (1).
1
1