Brother MFC-8660DN - Manual (Page 126)

112
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„ Make sure that you use paper that meets our specifications. A rough surfaced
paper or thick print media can cause the problem. (See
Acceptable paper
and other media on page 12.)
„ Make sure that you choose the proper media type in the printer driver or in the
machine
’ s Paper Type menu setting. (See Acceptable paper and other
media on page 12 and Basic tab in the Software User ’ s Guide on the
CD - ROM.)
„ The problem may disappear by itself. Print multiple pages to clear this
problem, especially if the machine has not been used for a long time.
„ Clean the scanner window with a soft cloth. (See Cleaning the laser
scanner window on page 128.)
„ The drum unit may be damaged. Put in a new drum unit. (See Replacing the
drum unit (DR-520) on page 135.)
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„ Clean the primary corona wire in the drum unit. (See Cleaning the corona
wire on page 130.)
„ Clean the scanner window with a soft cloth. (See Cleaning the laser
scanner window on page 128.)
„ The drum unit may be damaged. Put in a new drum unit. (See Replacing the
drum unit (DR-520) on page 135.)
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Printed pages have toner
stains or stripes down the page.
„ Clean the primary corona wire of the drum unit. (See Cleaning the corona
wire on page 130.)
„ Make sure the primary corona wire ’ s blue tab is at the home position ( a ).
„ The drum unit may be damaged. Put in a new drum unit. (See Replacing the
drum unit (DR-520) on page 135.)
„ The toner cartridge may be damaged. Put in a new toner cartridge. (See
Replacing the toner cartridge (TN-550/TN-580) on page 132.)
„ The fuser unit may be smudged. Call Brother Customer Service at
1
- 877 - BROTHER (1-877-276-8437) (in USA) or
1 - 877 - BROTHER (in Canada).
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„ Clean the laser scanner window with a soft cloth. (See Cleaning the laser
scanner window on page 128.)
„ The toner cartridge may be damaged. Put in a new toner cartridge.
(See
Replacing the toner cartridge (TN-550/TN-580) on page 132.)
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„ Make sure the paper or other print media is loaded properly in the paper tray
and that the guides are not too tight or too loose against the paper stack.
„ Set the paper guides correctly.
„ If you are using the MP tray, see Loading envelopes and other media on
page 16.
„ The paper tray may be too full.
„ Check the paper type and quality. (See Acceptable paper and other
media on page 12.)
Examples of poor print
quality Recommendation
ABCDEFGH
abcdefghijk
A B C D
a b c d e
0 1 2 3 4
ABCDEFGH
abcdefghijk
A B C D
a b c d e
0 1 2 3 4
ABCDEFGH
abcdefghijk
A B C D
a b c d e
0 1 2 3 4
ABCDEFGH
abcdefghijk
A B C D
a b c d e
0 1 2 3 4
ABCDEFGH
abcdefghijk
A B C D
a b c d e
0 1 2 3 4