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Troubleshooting
161
6
White streaks or bands down the
page
Wipe the scanner windows with a dry lint-free soft cloth. (See Cleaning the
inside of the machine on page 117.)
Clean the drum unit. (See Cleaning the drum unit on page 125.)
Identify the missing colour and put in a new toner cartridge. (See Replacing
the toner cartridges on page 97.)
To identify the colour of the toner cartridge, visit us at
http://solutions.brother.com/
to view our FAQs and troubleshooting tips.
Coloured streaks or bands down
the page
Clean all four corona wires (one for each colour) inside the drum unit by
sliding the green tab. (See Cleaning the corona wires on page 121.)
Make sure the corona wire green tabs are at their home positions (a).
Replace the toner cartridge that matches the colour of the streak or band.
(See Replacing the toner cartridges on page 97.)
To identify the colour 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 unit on page 102.)
Coloured lines across the page
If coloured lines appear at 30 mm (1.2 in.) intervals, replace the toner
cartridge that matches the colour of the line. (See Replacing the toner
cartridges on page 97.)
To identify the colour of the toner cartridge, visit us at
http://solutions.brother.com/
to view our FAQs and troubleshooting tips.
If coloured lines appear at 94 mm (3.7 in.) intervals, put in a new drum unit.
(See Replacing the drum unit on pages 102.)
Examples of poor print quality Recommendation
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ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
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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.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
166


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