Brother HL-4070CDW - Manual (Page 67)

Other Information
65
Caution
To avoid print quality problems, DO NOT touch the
shaded parts shown in the illustrations.
6
Attach the original orange protective cover to
each of the toner cartridges. Place each of the
toner cartridges into the plastic bag included in
the carton.
7
Hold the green parts of the belt unit with both
hands and lift the belt unit up, then pull it out.
Note
We recommend that you put the belt unit on a
clean, flat surface with a piece of disposable paper
underneath it in case you accidentally spill or
scatter toner.
8
Remove the waste toner box from the printer
using the green handle and place it into the
plastic bag included in the carton.