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Toner specks
Make sure that you use paper that meets our specifications. Rough-
surfaced paper may cause the problem.
Acceptable paper and other print media
Clean the corona wire of the drum unit.
The drum unit may be damaged. Put in a new drum unit.
The fuser unit may be contaminated.
Call Brother Customer Service at:
In USA
: 1-877-BROTHER (1-877-276-8437)
In Canada
: 1-877-BROTHER
Hollow print
Make sure that you use paper that meets our specifications.
Acceptable paper and other print media
Choose
Thick Paper
mode in the printer driver, choose
Thick
in
the machine’s
Tray Setting
menu or use thinner paper than you
are currently using.
See
See Software User's Guide:
Printing
(for Windows
®
).
See Software User's Guide:
Printing and Faxing
(for Macintosh).
Check the machine’s environment. Conditions such as high humidity
can cause hollow print.
See Product Safety Guide:
Choosing a location
.
The drum unit may be damaged. Put in a new drum unit.
All black
Clean the corona wire inside the drum unit by sliding the green tab.
Be sure to return the green tab to the home position (
a
).
The drum unit may be damaged. Put in a new drum unit.
Examples of poor print
quality
Recommendation
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abcdefghijk
A B C D
a b c d e
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