Brother HL-5440D - Manual (Page 80)

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General Information
3
Replace Drum
Replace the drum with a new one.
See Replacing the drum unit uu page 104.
Drum Error
The corona wire needs to be cleaned. See Cleaning the corona wire
uu
page 111.
If the toner cartridge is placed in the machine without the drum unit, put the toner
cartridge into the drum unit, and then reinstall the drum unit and toner cartridge
assembly in the machine.
Drum Stop
Replace the drum with a new one.
See Replacing the drum unit uu page 104.
LEDs Machine Status