Brother MFC-9880 Owner's Manual page 155

1
Open the front cover and pull out the drum unit.
Place the drum unit on a drop cloth or large piece of disposable paper to avoid spilling and
scattering the toner.
2
Hold down the lock lever on the right and pull the toner cartridge out of the drum unit assembly.
Handle the toner cartridge carefully. If toner scatters on your hands or
clothes, immediately wipe it off or wash them with cold water.
146
Chapter 18
Front Cover
Drum Unit
Lock
Lever