Replacing The Drum Unit - Brother HL-5440D User Manual

Routine Maintenance

Replacing the drum unit

Model Name: DR-3300
A new drum unit can print approximately 30,000 A4 or Letter size single-sided pages.
Important
For best performance, use a Brother Original drum unit and Brother Original toner units. Printing with a
third-party drum unit or toner unit may reduce not only the print quality but also the quality and life of the
machine itself. Warranty coverage may not apply to problems caused by the use of a third-party drum unit
or toner unit.
Drum Error
The corona wire has become dirty. Clean the corona wire in the drum unit. (See Cleaning the corona wire
uu page 112.)
If you cleaned the corona wire and Drum Error was not cleared then the drum unit is at the end of its life.
Replace the drum unit with a new one.
Drum End Soon
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