Brother HL 5280DW - B/W Laser Printer User Manual page 89

b
Hold down Go until the message DRUM CLEAR is displayed on the LCD, then release Go.
Improper Setup
Do not reset the drum counter when you replace only the toner cartridge.
c
Take out the drum unit and toner cartridge assembly.
CAUTION
We recommend that you put the drum unit and toner cartridge assembly on a piece of disposable paper or
cloth in case you accidentally spill or scatter toner.
To prevent damage to the printer from static electricity, DO NOT touch the electrodes shown in the
illustration.
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6. Routine Maintenance
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