Color LaserWriter 12/600 PS: Preventing Toner on Paper

I have an Apple Color LaserWriter 12/600 PS, and I am getting small amounts of toner on the printed page. What can I do to prevent it?
Cleaning the excess toner from the following areas should eliminate the problem:
This article was publised in the "Information Alley": Volume II, Issue 5, Page 8
Published Date: Feb 19, 2012