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Troubleshooting
178
5
White streaks or bands down the
page
Wipe the windows of all four LED heads with a dry lint free soft cloth (see
Cleaning the LED head on page 142).
Make sure that foreign material such as a torn piece of paper, sticky note or
dust is not inside the machine and around the drum unit and toner cartridge.
Clean the drum unit (see Cleaning the drum unit on page 147).
Colored streaks or bands down
the page
Clean all four corona wires (one for each color) inside the drum unit by sliding
the green tab (see Cleaning the corona wires on page 143).
Make sure the green tab of the corona wire is at the home position (a) (1).
Replace the toner cartridge that matches the color of the streak or band (see
Replacing the toner cartridges on page 111). To identify the color of the toner
cartridge, visit us at http://solutions.brother.com/
to view our FAQs and
troubleshooting tips.
Identify the color causing the problem and put in a new drum unit (see
Replacing the drum units on page 121).
To identify the color of the drum unit, visit us at http://solutions.brother.com/
to view our FAQs and troubleshooting tips.
Examples of poor print quality Recommendation
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ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
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