Brother MFC-9550 All in One Printer User Manual


 
167
TROUBLESHOOTING AND MAINTENANCE
Follow these steps to replace the drum unit:
1
Open the top cover.
2
Remove the old drum unit. Place the drum unit on a drop cloth or
large piece of disposable paper to avoid spilling and scattering the
toner.
Drum Unit
Top Cover
3
Remove the toner cartridge from the drum unit and keep it in a safe
place. For more information, see “Replacing the Toner Cartridge” in
this chapter.
Toner Cartridge
Drum Unit
Discard the used drum unit according to local regulations. Be sure to seal
the drum unit tightly so toner powder does not spill out of the unit. When
discarding used drum units, keep them separate from domestic rubbish.