Brother Copier/Printer MFC-9970CDW - Manual (Page 111)

Routine maintenance
95
A
e
Hold the green handle of the belt unit
with both hands and lift the belt unit up,
then pull it out.
IMPORTANT
To avoid print quality problems, DO NOT
touch the shaded parts shown in the
illustration.
f
Remove the two pieces of orange
packing material and discard them.
Note
This step is only necessary when you are
replacing the waste toner box for the first
time, and are not required for the
replacement waste toner box. The orange
packing pieces are installed at the factory
to protect your machine during shipment.