Brother MFC-8520DN User Manual page 135

Examples of poor print
quality
F G H
A B C D E
h i j k
a b c d e f g
A B C D
a b c d e
0 1 2 3 4
Image skewed
Curled or wavy
B DEFGH
abc efghijk
A C D
b c d e
1 3 4
Wrinkles or creases
Recommendation
 Make sure that the paper or other print media is loaded correctly in
the paper tray and that the guides are not too tight or too loose
against the paper stack.
 Set the paper guides correctly.
uu Loading paper and print media uu page 10
 If you are using the MP tray, see Loading paper in the multi-purpose
tray (MP tray) uu page 12.
 The paper tray may be too full.
uu Loading paper and print media uu page 10
 Check the paper type and quality.
uu Acceptable paper and other print media uu page 19
 Check for loose objects such as torn paper inside the machine.
 If the problem only occurs during duplex printing, check for torn paper
in the duplex tray, verify that the duplex tray is inserted completely
and verify that the back cover is closed completely.
 Check the paper type and quality. High temperatures and high
humidity will cause paper to curl.
uu Acceptable paper and other print media uu page 19
uu Product Safety Guide: Choose a safe location for your product
 If you do not use the machine often, the paper may have been in the
paper tray too long. Turn over the stack of paper in the paper tray.
Also, fan the paper stack and then rotate the paper 180° in the paper
tray.
 Open the back cover (face-up output tray) to let the printed paper exit
onto the face-up output tray.
Choose Reduce Paper Curl mode in the printer driver when you do

not use our recommended paper.
uu Software User's Guide: Printing (for Windows
uu Software User's Guide: Printing and Faxing (for Macintosh)
 Make sure that paper is loaded correctly.
uu Loading paper and print media uu page 10
 Check the paper type and quality.
uu Acceptable paper and other print media uu page 19
 Turn over the stack of paper in the tray or rotate the paper 180° in the
input tray.
Troubleshooting
®
)
B
127