4-18
Improving the print quality
!
Caution
If the Drum LED is on you can clear a print quality problem by replacing the drum
unit with a new one. The Drum LED indicates that the drum unit is at the end of
life.
This section provides information on the following topics:
Image defect
examples Recommendation
ABCDEFGH
abcdefghijk
ABCD
abcde
01234
CDEF
defg
BC
bcd
23
Faint
• Check the printer's environment. Conditions such as humidity,
high temperatures, etc. may cause this print defect to occur.
• If the whole page is too light, toner save mode may be on.
Disable toner save mode within the Printer Properties tab of the
Driver.
• Try installing a new toner cartridge. See “How to replace the
Toner cartridge” in Chapter 3.
• Try installing a new drum unit. See "How to replace the Drum
unit" in Chapter 3.
ABCDEFGH
abcdefghijk
ABCD
abcde
01234
Gray background
• Make sure that you use paper that meets the Brother’s
recommended specifications. See “What kind of paper can I
use” in Chapter 1.
• Check the printer's environment; high temperature and high
humidity conditions can increase the amount of background
shading.
• Installing a new toner cartridge. See "How to replace the Toner
cartridge" in Chapter 3.
• Installing a new drum unit. See "How to replace the Drum unit"
in Chapter 3.
Ghost
• Make sure that you use paper that meets the specifications. A
rough surfaced paper, paper that has absorbed moisture or
thick media can cause the problem.
• Make sure that you select the appropriate media type in the
printer driver. See “What kind of paper can I use” in Chapter
1.
• Try installing a new drum unit. See “How to replace the Drum
unit” in Chapter 3.
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