Brother MFC-9970CDW User Manual page 324

g
Remove the waste toner box from the
machine using the green handle, and
then put it in a plastic bag and seal the
bag completely.
IMPORTANT
Handle the waste toner box carefully. If
toner scatters on your hands or clothes,
immediately wipe or wash it off with cold
water.
Routine maintenance
h
Put the belt unit back into the machine.
Make sure the belt unit is level and fits
firmly into place.
A
87