Brother MFC-8460N User Manual page 122

Examples of poor print
quality
ABCDEFGH
abcdefghijk
A B C D
a b c d e
0 1 2 3 4
White lines across the page
ABCDEFGH
abcdefghijk
A B C D
a b c d e
0 1 2 3 4
Lines across the page
ABCDEFGH
abcdefghijk
A B C D
a b c d e
0 1 2 3 4
Black lines down the page
Printed pages have toner
stains or stripes down the page.
ABCDEFGH
abcdefghijk
A B C D
a b c d e
0 1 2 3 4
White lines down the page
F G H
A B C D E
h ij k
a b c d e fg
A B C D
a b c d e
0 1 2 3 4
Page skewed
Recommendation
Make sure that you use paper that meets our specifications. A rough surfaced
paper or thick print media can cause the problem. (See
and other media
on page 11.)
Make sure that you choose the proper media type in the printer driver or in the
machine's Paper Type menu setting. (See
media
on page 11 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
scanner window
on page 128.)
The drum unit may be damaged. Put in a new drum unit. (See
drum unit (DR-3115)
Clean the primary corona wire in the drum unit. (See
wire
on page 130.)
Clean the scanner window with a soft cloth. (See
scanner window
on page 128.)
The drum unit may be damaged. Put in a new drum unit. (See
drum unit (DR-3115)
Clean the primary corona wire of the drum unit. (See
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
drum unit (DR-3115)
The toner cartridge may be damaged. Put in a new toner cartridge. (See
Replacing the toner cartridge (TN-3145/TN-3185)
The fuser unit may be smudged. Call Brother or your dealer for service.
Clean the laser scanner window with a soft cloth. (See
scanner window
on page 128.)
The toner cartridge may be damaged. Put in a new toner cartridge.
Replacing the toner cartridge (TN-3145/TN-3185)
(See
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
14.
The paper tray may be too full.
Check the paper type and quality. (See
media
on page 11.)
Troubleshooting and routine maintenance
Acceptable paper and other
Cleaning the laser
on page 134.)
Cleaning the laser
on page 134.)
on page 134.)
Loading paper, and other media
Acceptable paper and other
Acceptable paper
Replacing the
Cleaning the corona
Replacing the
Cleaning the corona
Replacing the
on page 131.)
Cleaning the laser
on page 131.)
on page
113