Toner powder deposit, and blotches/spots on prints? Please help.

srk999

Honorable
Jan 24, 2013
5
0
10,510
Bought a high yield toner for Brother printer on eBay. Been using it for quite a few months. Only about a month ago it started to print out blotches on one side of the paper on equal intervals. They are about 0.5 inch or 1 cm in diameter. When I take out the toner from the toner assembly, there are toner powders deposited on one side, the side where the blotches come from. After almost every print I have to take out the toner and clean the deposited toner ink powder with a paint brush.
I've tried cleaning the drum (not a part of the toner, but part of the toner assembly) a bunch of times without much success. However, I don't think the toner drum is responsible for the powder deposit, but I may be wrong.
What can I do to remedy this?
 

srk999

Honorable
Jan 24, 2013
5
0
10,510
EDIT: Picture of what it looks like: http://i.imgur.com/X8V3PwL.jpg

The blotches on the left side are from printing, and the lines were made when the paper was put through the printer's drum cleaning process.

Sorry, won't let me edit post. Mod, please merge, if possible.