Brother HL 3070CW - Manual (Page 124)

Routine Maintenance
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5
b
Take out the drum unit and toner cartridge assembly for the color shown on the LCD.
c
Push down the green-labeled lock lever (1) and take the toner cartridge out of the drum unit.
WARNING
DO NOT put a toner cartridge into a fire. It could explode, resulting in injuries.
DO NOT use cleaning materials that contain ammonia, alcohol, any type of spray, or any type of flammable
substance to clean the outside or inside of the machine. Doing this may cause a fire or electrical shock. See
Cleaning on page 128 for how to clean the printer.
Be careful not to inhale toner.
1