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Brother MFC-9010CN User Manual

Page 67

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Troubleshooting and routine maintenance

55

C

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 heads on page 74.)

„

Clean all four drum units. (See Cleaning the drum unit on page 76.)

„

Identify the missing color and put in a new toner cartridge. (See
Replacing a Toner cartridge on page 86.)
To identify the color of the toner cartridge, visit us at
http://solutions.brother.com/ to view our FAQs and troubleshooting
tips.

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 75.)

„

Make sure the corona wire cleaners are at their home positions (a).

„

Clean the scanner glass and scanner glass strip. (See Cleaning the
scanner
on page 73.
)

„

Replace the toner cartridge that matches the color of the streak or
band. (See Replacing a Toner cartridge on page 86.)
To identify the color of the toner cartridge, visit us at
http://solutions.brother.com/ to view our FAQs and troubleshooting
tips.

„

Put in a new drum unit. (See Replacing the drum units on page 93.)
To identify the color of the drum unit, visit us at
http://solutions.brother.com/ to view our FAQs and troubleshooting
tips.

Vertical streaks in a light
background

„

Wipe the windows of all four LED heads with a dry lint free soft cloth.
(See Cleaning the LED heads on page 74.)

Examples of poor print
quality

Recommendation

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