Improving The Print Quality - Brother MFC-8860DN User Manual

Improving the print quality

Examples of poor print
quality
ABCDEFGH CDEF
abcdefghijk defg
A B C D B C
a b c d e b c d
0 1 2 3 4 2 3
Faint
ABCDEFGH
abcdefghijk
A B C D
a b c d e
0 1 2 3 4
Grey background
Ghost
ABCDEFGH
abcdefghijk
A B C D
a b c d e
0 1 2 3 4
Toner specks
98
Recommendation
Check the machine's environment. Conditions such as humidity, high
temperatures, and so on, may cause this print fault. (See
location
on page 82.)
If the whole page is too light, Toner Save mode may be on. Turn off Toner
Save mode in the machine's menu settings or in the printer Properties of the
Toner save
driver. (See
Guide on the CD-ROM.)
If this problem occurs when making copies or printing received faxes, turn off
Toner Save mode in the machine's menu setting. (See
21.)
Clean the scanner window and the primary corona wire of the drum unit. (See
Cleaning the laser scanner window
corona wire
on page 118.) If the print quality has not improved, put in a new
Replacing the drum unit (DR-3117)
drum unit. (See
Put in a new toner cartridge. (See
3145/TN-3185)
on page 119.)
Make sure that you use paper that meets our specifications. (See
Acceptable paper and other media
Check the machine's environment. Conditions such as high temperatures and
high humidity can increase the amount of background shading. (See
Choosing a location
on page 82.)
Install a new toner cartridge. (See
3145/TN-3185)
on page 119.)
Clean the primary corona wire and the drum unit. (See
wire Cleaning the drum unit
on page 118 and
quality has not improved, put in a new drum unit. (See
unit (DR-3117)
on page 122.)
Make sure that you use paper that meets our specifications. Rough-surfaced
paper or thick paper may cause this problem.
Make sure that you choose the correct media type in the printer driver or in the
machine's Paper Type menu setting. (See
media
on page 11 and Basic tab in the Software User's Guide on the
CD-ROM.)
Put in a new drum unit. (See
122.)
Make sure that you use paper that meets our specifications. Rough-surfaced
paper may cause the problem. (See
on page 11.)
Clean the primary corona wire and the drum unit. (See
wire Cleaning the drum unit
on page 118 and
quality has not improved, put in a new drum unit. (See
unit (DR-3117)
on page 122.)
on page 21 or Advanced tab in the Software User's
on page 116 and
Replacing the toner cartridge (TN-
on page 11.)
Replacing the toner cartridge (TN-
on page 118.) If the print
Acceptable paper and other
Replacing the drum unit (DR-3117)
Acceptable paper and other media
on page 118.) If the print
C
Choosing a
Toner save
on page
Cleaning the
on page 122.)
Cleaning the corona
Replacing the drum
on page
Cleaning the corona
Replacing the drum