Improving the print quality

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
A B C D
a b c d e
0 1 2 3 4
CDEF
defg
B C
b c d
2 3
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
A B C D
a b c d e
0 1 2 3 4
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.