MFC-9840CDW

FAQs & Troubleshooting

Vertical colored streaks or bands appear on the page.

Please check the following points:

(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 all four corona wires (one for each color) of the drum unit by sliding the green tab.
> Click here to see how to clean the corona wires.
Make sure each corona wire's green tab is at the home position.
One of the toner cartridges may be damaged. Replace the toner cartridge that matches the color of the streak or band.
> 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 have a smudge mark. Contact our Customer Service Center.

DCP-9045CDN, MFC-9840CDW

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