Brother HL-1030, 1240, 1250 service manual Toner specks

CHAPTER 6 TROUBLESHOOTING

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Toner specks

User Check

(1)Check the paper used meets the recommended paper specifications. A rough surfaced paper may cause the problem.

(2)The toner cartridge may be damaged. Install a new toner cartridge.

(3)The drum unit may be damaged, or may be nearly at the end of life. Install a new drum unit.

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