Brother HLL9410CDN Enterprise Color Laser Printer User Manual
Page 241
Examples of poor print quality
Recommendation
Vertical white streaks or bands appear on the page
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
Vertical colored streaks or bands appear on the page
•
Clean all four corona wires (one for each color) inside
the drum unit by sliding the green tab. Make sure the
green tab of the corona wire is in the home position
(1).
1
•
Replace the toner cartridge that matches the color of
the streak or band.
To identify the color of the toner cartridge, visit
and view the
FAQs &
Troubleshooting
page for your model.
See
Related Information
:
Replace the Toner Cartridge
.
•
Install a new drum unit.
See
Related Information
:
Replace the Drum Unit
.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
Horizontal colored lines appear on the page
•
Identify the color causing the problem and replace the
toner cartridge that matches the color of the line.
To identify the color of the toner cartridge, visit
to see the
FAQs &
Troubleshooting
page.
See
Related Information
:
Replace the Toner Cartridge
.
•
Install a new drum unit.
See
Related Information
:
Replace the Drum Unit
.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
White spots
•
Make sure the media type setting in the printer driver
matches the type of paper you are using.
•
Check the machine’s environment. Conditions such as
high humidity and high temperatures may cause this
print quality problem.
•
If the problem is not solved after printing a few pages,
the drum may have foreign material, such as glue
from a label, stuck on the drum surface. Clean the
drum unit.
See
Related Information
:
Clean the Drum Unit
.
•
Install a new drum unit.
See
Related Information
:
Replace the Drum Unit
.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
Blank page or some missing colors
•
Identify the color causing the problem and install a
new toner cartridge.
To identify the color of the toner cartridge, visit
to see the
FAQs &
Troubleshooting
page.
See
Related Information
:
Replace the Toner Cartridge
.
•
Install a new drum unit.
See
Related Information
:
Replace the Drum Unit
.
236