User Manual

140
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 95
 Put in a new drum unit.
uu Replacing the drum unit uu page 103
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 103
 Put in a new toner cartridge.
uu Replacing the toner cartridge uu page 95
 The fuser unit may be contaminated. Call your Brother customer service for
support.
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 110
 The drum unit may be damaged. Put in a new drum unit.
uu Replacing the drum unit uu page 103
 The fuser unit may be contaminated. Call your Brother customer service for
support.
Examples of poor print quality Recommendation
ABCDEFGH
abcdefghijk
ABCD
abcde
01234
ABCDEFGH
abcdefghijk
ABCD
abcde
01234