Black lines down the page

(For models with Automatic Document Feeder only)
Wipe the scanner glass strip with a dry lint free soft cloth.
> Click here to see how to clean the scanner glass strip.
Clean the corona wire inside the drum unit by sliding the blue tab. Be sure to return the blue tab to the home position.
> Click here to see how to clean the corona wire.
The toner cartridge may be damaged. Put in a new toner cartridge.
> Click here to see how to replace the toner cartridge.
The drum unit may be damaged. Put in a new drum unit.
> Click here to see how to replace the drum unit.
The fuser unit may be contaminated. Contact Brother Customer Service from "Contact Us".

常见问题解答与故障排除