Brother DCP-8040 User Manual page 251

Caution
■
Place the drum unit on a drop cloth or large piece of disposable
paper to avoid spilling and scattering the toner.
■
To prevent damage to the DCP from static electricity, do not
touch the electrodes shown below.
2
Hold down the lock lever on the right and pull the toner cartridge
out of the drum unit.
Caution
Handle the toner cartridge carefully. If toner scatters on your hands
or clothes, immediately wipe it off or wash it with cold water.
TROUBLESHOOTING AND ROUTINE MAINTENANCE 14 - 26
Lock Lever