Brother MFC-9840CDW User Manual page 193

b
Hold the green handle of the drum unit.
Lift the drum unit up and then pull it out
until it stops.
Troubleshooting and routine maintenance
CAUTION
We recommend that you place the drum
unit and toner cartridges separately on a
clean, flat surface with a piece of
disposable paper underneath them in case
you accidentally spill or scatter toner.
Handle the toner cartridge carefully. If toner
scatters on your hands or clothes, wipe or
wash it off with cold water at once.
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