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T R O U B L E S H O O T I N G A N D M A I N T E N A N C E
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.
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.
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.
Top Cover
Drum Unit
Toner Cartridge
139
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