Patent ID: 6701115
Filing Date: 2004-03-02
Classification: G03G

Abstract:
A color electrophotographic apparatus comprising:a photosensitive member; an exposing device for forming an electrostatic latent image on said photosensitive member; four developing devices which attach toner on said photosensitive member; and a transfer member for transferring said toner image onto a printing medium; wherein said four developing devices include a yellow image developing device, a magenta image developing device, a cyan image developing device, and a black image developing device; wherein each of said four image developing devices include: a toner storing chamber for storing toner of a nonmagnetic one-component developer; a toner carrying member for forming a toner layer; a regulating member for regulating an amount of toner attached to said toner carrying member; a toner supply chamber having a supply member therein for supplying toner in said toner supply chamber; a toner recovery chamber having a rotating member therein; and a separating member for separating said toner supply chamber from said toner recovery chamber so that said toner supply chamber is disposable above said toner recovery chamber; wherein said photosensitive member moves from a downward direction in a gravity direction to an upward direction in a position facing respective ones of said developing devices.