Brother MFC-9420CN - Manual (Page 167)

Chapter C
C - 42
6
Open the front cover of the machine.
Pull out all the toner cartridges and the
waste toner pack from the machine.
7
To avoid any toner spills, plug the waste
toner hole located at the bottom right
inside of the machine with the supplied
protective sponge.
8
Remove the tape from the supplied
protective sponge and cover the
opening of the waste toner pack as
shown in the illustration.
9
Put the waste toner pack back into the
machine.
0
Close the front cover, inside cover and
scanner unit.
A
Attach an original orange protective
cover to each of the toner cartridges and
secure it with tape. Put each toner
cartridge in a separate plastic bag.
B
Put the toner cartridges and the OPC
belt cartridge into the accessory box,
and then close it.