Electrostatic dust repeller for electrophotographic apparatus.

摘要

Automatic toner dust repelling apparatus for electrophotographic printers including oppositely disposed electrically charged members arranged on opposite sides of the magnetic brush generating roll with the respective electrical charges on the toner material and the electrically charged member being the same electrical polarity effective to repell toner dust from the adjacent edges of the magnetic bush roller and to concentrate the toner at the magnetic brush area thereby eliminating the toner dust problem.