Brother HL-1040, HL-820, HL-1020 manual

5

6

Install the new toner cartridge into the right hand side of the drum unit. Make sure that the toner cartridge guide bar is exactly aligned with the guide slot in the drum unit and pushed fully home into the drum unit to ensure that the toner cartridge and the drum unit fit together correctly.

Gently turn the lever on the toner cartridge backward until it stops.

7

Turn the drum unit upside down gently.

Clean the primary corona wire inside the drum unit by gently sliding the blue tab to the right and left several times.

8

Re-install the drum unit into the printer and close the top cover.

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