Brother MFC 7460DN, Basic User'S Manual

Page: 121 / 170

Troubleshooting
111
B
Grey background
 Make sure that you use paper that meets our specifications. (See
Acceptable paper and other print media on page 18.)
 Check the machine’s environment. Conditions such as high
temperatures and high humidity can increase the amount of
background shading. (See the
Safety and Legal booklet .)
 Put in a new toner cartridge. (See Replacing the toner cartridge
on page 61.)
 Put in a new drum unit. (See Replacing the drum unit on page 66.)
Ghost
 Make sure that you use paper that meets our specifications.
Rough-surfaced paper or thick print media may cause this
problem. (See
Acceptable paper and other print media
on page 18.)
 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 print media on page 18 and Basic tab
in the Software User’s Guide .)
 Choose Reduce Ghosting mode in the printer driver. (See Ghost
Reduction Setting in the Software User’s Guide .)
 Put in a new toner cartridge. (See Replacing the toner cartridge
on page 61.)
 Put in a new drum unit. (See Replacing the drum unit on page 66.)
 The fuser unit may be contaminated. Call your Brother dealer.
Toner specks

Make sure that you use paper that meets our specifications.
Rough-surfaced paper may cause the problem. (See
Acceptable
paper and other print media on page 18.)
 Clean the corona wire and the drum unit. (See Cleaning the
corona wire on page 72 and Cleaning the drum unit on page 74.)
 The drum unit may be damaged. Put in a new drum unit. (See
Replacing the drum unit on page 66.)
 The fuser unit may be contaminated. Call your Brother dealer.
Hollow print
 Make sure that you use paper that meets our specifications. (See
Acceptable paper and other print media on page 18.)
 Choose Thick Paper mode in the printer driver, choose
Thick
in
the machine’s Paper Type menu setting or use thinner paper than
you are currently using. (See
Paper Type on page 18 and Basic
tab in the Software User’s Guide .)
 Check the machine’s environment. Conditions such as high
humidity can cause hollow print. (See the
Safety and Legal
booklet .)
 The drum unit may be damaged. Put in a new drum unit. (See
Replacing the drum unit on page 66.)
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