Brother MFC-9330CDW - Manual (Page 111)

Routine maintenance
97
A
e
Remove the orange packing material
and discard it.
NOTE
This step is only necessary when you are
replacing the waste toner box for the first
time, and is not required for the
replacement waste toner box. The orange
packing piece is installed at the factory to
protect your machine during shipment.
f
Hold the green handle of the waste toner
box and remove the waste toner box
from the machine.