Troubleshooting and routine maintenance
11 - 16
11
Improving the print quality
Examples of poor print quality
Recommendation
Faint
Check the MFC’s environment. Conditions such as humidity, high temperatures,
and so on may cause this print fault. (See
If the whole page is too light,
Toner Save
mode may be on. Turn off
Toner Save
mode in the MFC menu settings and in the printer Properties of the driver. (See
Advanced tab
in the Software User’s Guide on the CD-ROM.)
—
OR
—
If this problem occurs when making copies or printing received faxes, turn off
Toner Save mode in the MFC itself. (See
Clean the scanner window and the primary corona wire on the drum unit.
(See
Cleaning the laser scanner window
on page 11-23 and
on page 11-24.) If the print quality has not improved, install a new drum unit.
Replacing the drum unit (DR-350)
Install a new toner cartridge. (See
Replacing the toner cartridge (TN-350)
Gray background
Make sure that you use paper that meets the recommended specifications.
(See
Check the MFC’s environment - high temperatures and high humidity can increase
the amount of background shading. (See
Install a new toner cartridge. (See
Replacing the toner cartridge (TN-350)
Clean the primary corona wire on the drum unit. (See
page 11-24.) If the print quality has not improved, install a new drum unit.
(See
Replacing the drum unit (DR-350)
Ghost
Make sure you use paper that meets our specifications. Rough-surfaced paper or
thick print media may cause this problem.
Make sure that you choose the appropriate media type in the printer driver or in
the MFC’s Paper Type menu setting. (See
on page 1-9 and
Basic tab
in the Software User’s Guide on the CD-ROM.)
Install a new drum unit. (See
Replacing the drum unit (DR-350)
Toner specks
Make sure that you use paper that meets our specifications. Rough-surfaced
paper may cause the problem. (See
Clean the primary corona wire and the drum unit. (See
on page 11-17.) If the print quality has
not improved, install a new drum unit. (See
Replacing the drum unit (DR-350)
Hollow print
Make sure that you use paper that meets our specifications. (See
page 1-9.)
Choose
Thick paper
mode in the printer driver or in the MFC’s Paper Type menu
setting, or use thinner paper than you are currently using. (See
on page 2-3 and
Basic tab
in the Software User’s Guide on the CD-ROM.)
Check the MFC’s environment because conditions such as high humidity can
cause hollow print. (See
Clean the primary corona wire on the drum unit. (See
page 11-24.) If the print quality has not improved, install a new drum unit.
(See
Replacing the drum unit (DR-350)
All black
Clean the primary corona wire on the drum unit. (See
If the print quality has not improved, install a new drum unit. (See
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