Brother HL-5450DNT - Manual (Page 149)

143
Troubleshooting
6
Grey background
 Make sure that you use paper that meets our specifications.
uu
Acceptable paper and other print media uu page 2
 Check the machine’s environment. Conditions such as high temperatures
and high humidity can increase the amount of background shading.
uu
Product Safety Guide: Choose a safe location for your product
 Put in a new toner cartridge.
uu
Replacing the toner cartridge uu page 97
 Put in a new drum unit.
uu Replacing the drum unit uu page 105
Ghost
 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 105
 Put in a new toner cartridge.
uu Replacing the toner cartridge uu page 97
 The fuser unit may be contaminated. Call your Brother dealer for service
Toner specks
 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 112
 The drum unit may be damaged. Put in a new drum unit.
uu Replacing the drum unit uu page 105
 The fuser unit may be contaminated. Call your Brother dealer for service
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