Brother MFC-7470D Basic User's Manual page 115

Examples of poor print quality
ABCDEFGH
abcdefghijk
A B C D
a b c d e
0 1 2 3 4
Grey background
Ghost
ABCDEFGH
abcdefghijk
A B C D
a b c d e
0 1 2 3 4
Toner specks
Hollow print
Recommendation
 Make sure that you use paper that meets our specifications. (See
Acceptable paper and other print media on page 17.)
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 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 57.)
 Put in a new drum unit. (See Replacing the drum unit on page 62.)
 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 17.)
 Make sure that you choose the proper media type in the printer
driver or in the machine
Acceptable paper and other print media on page 17 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 57.)
 Put in a new drum unit. (See Replacing the drum unit on page 62.)
 The fuser unit may be contaminated. Call your Brother dealer.
 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 17.)
 Clean the corona wire and the drum unit. (See Cleaning the
corona wire on page 68 and Cleaning the drum unit on page 70.)
 The drum unit may be damaged. Put in a new drum unit. (See
Replacing the drum unit on page 62.)
 The fuser unit may be contaminated. Call your Brother dealer.
 Make sure that you use paper that meets our specifications. (See
Acceptable paper and other print media on page 17.)
Choose Thick Paper mode in the printer driver, choose Thick in

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the machine s Paper Type menu setting or use thinner paper than
you are currently using. (See Paper Type on page 17 and Basic
tab in the Software User's Guide.)
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 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 62.)
Troubleshooting
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s Paper Type menu setting. (See
B
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