Brother HL-5440D User Manual page 148

Troubleshooting
Examples of poor print quality
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. Rough-surfaced
paper or thick paper may cause this problem.
uu Acceptable paper and other print media uu page 2
 Make sure that you choose the appropriate media type in the printer driver.
uu Acceptable paper and other print media uu page 2
 Choose Reduce Ghosting mode in the printer driver.
uu Other Print Options uu page 36 (For Windows
uu Print Settings uu page 59 (For Macintosh)
 Put in a new drum unit.
uu Replacing the drum unit uu page 104
 Put in a new toner cartridge.
uu Replacing the toner cartridge uu page 96
 The fuser unit may be contaminated. Call Brother Customer Service at:
In USA: 1-877-BROTHER (1-877-276-8437)
In Canada: 1-877-BROTHER
 Make sure that you use paper that meets our specifications. Rough-surfaced
paper may cause the problem.
uu Acceptable paper and other print media uu page 2
 Clean the corona wire of the drum unit.
uu Cleaning the corona wire uu page 111
 The drum unit may be damaged. Put in a new drum unit.
uu Replacing the drum unit uu page 104
 The fuser unit may be contaminated. Call Brother Customer Service at:
In USA: 1-877-BROTHER (1-877-276-8437)
In Canada: 1-877-BROTHER
 Make sure that you use paper that meets our specifications.
uu Acceptable paper and other print media uu page 2
 Choose Thick Paper mode in the printer driver or use thinner paper than you
are currently using.
 Check the machine's environment. Conditions such as high humidity can
cause hollow print.
uu Product Safety Guide: Choosing a location
 The drum unit may be damaged. Put in a new drum unit.
uu Replacing the drum unit uu page 104
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