Cleaning The Corona Wires - Brother HL-4040CN User Manual

Cleaning the corona wires

If you have print quality problems, clean the corona wires as follows:
a
Turn off the printer power switch. Press the front cover release button and then open the front cover.
b
Hold the green handle of the drum unit. Lift the drum unit up and then pull it out until it stops.
c
Hold the handle of the toner cartridge and pull it out of the drum unit. Repeat this for all the toner
cartridges.
Routine Maintenance
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