MFC-L8850CDW User Manual

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Troubleshooting

145

Colored streaks or bands down the

page

 Wipe the scanner glass strip with a dry lint free soft cloth

(see Advanced User's Guide).

 Clean all four corona wires (one for each color) inside the

drum unit by sliding the blue tab (see Cleaning the corona

wires on page 87).

 Make sure the blue tab of the corona wire is at the home

position (1).

 Replace the toner cartridge that matches the color of the

streak or band (see Replacing the toner cartridges

on page 82).

To identify the color of the toner cartridge, visit

http://solutions.brother.com/

to view our FAQs and

troubleshooting tips.

 Put in a new drum unit (see Replacing the drum unit

on page 90.)

Examples of poor print quality Recommendation

ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.

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Brother MFC-L8850CDW Printer