Brother MFC8950DWT All in One Printer User Manual


 
Troubleshooting
119
B
White lines across the page
Make sure that you use paper that meets our specifications. A rough
surfaced paper or thick print media can cause this problem.
See Acceptable paper and other print media uu page 20.
Make sure that you choose the appropriate media type in the printer
driver or in the machine’s Tray Setting menu.
See Paper Size and Type uu page 17.
See Software User's Guide: Printing (for Windows
®
).
See Software User's Guide: Printing and Faxing (for Macintosh).
The problem may disappear by itself. Print multiple blank pages to
clear this problem, especially if the machine has not been used for a
long time.
The drum unit may be damaged. Put in a new drum unit.
SeeReplacing the drum unit uu page 75.
Lines across the page
Clean the corona wire inside the drum unit.
.
See Cleaning the corona wire uu page 73.
The drum unit may be damaged. Put in a new drum unit.
See Replacing the drum unit uu page 75.
White lines, bands or ribbing
across the page
Check the machine's environment. Conditions such as high humidity
and high temperatures may cause this print quality problem.
See Product Safety Guide: Choosing a location.
If the problem is not solved after printing a few pages, put in a new
drum unit.
See Replacing the drum unit uu page 75.
Examples of poor print
quality
Recommendation
ABCDEFGH
abcdefghijk
ABCD
abcde
01234
ABCDEFGH
abcdefghijk
ABCD
abcde
01234