Brother DCP-9020CDN User Manual page 64

NOTE
• Be sure to seal up the used drum unit
tightly in a bag so that toner powder does
not spill out of the drum unit.
• Discard used consumable items
according to local regulations, keeping it
separate from domestic waste. If you have
questions, call your local waste disposal
office. Be sure to reseal the consumable
items tightly so that the material inside
does not spill.
e
Unpack the new drum unit.
f
Pull off the protective cover.
56
g
Put the toner cartridge firmly into the
new drum unit until you hear it lock into
place. If you put the cartridge in
correctly, the green lock lever will lift
automatically.
NOTE
Make sure you put the toner cartridge in
correctly or it may separate from the drum
unit.