Patent ID: 6389251
Filing Date: 2002-05-14
Classification: G03G

Abstract:
An electrophotographic image forming apparatus, comprising:a process cartridge including a photo-receptor and a charging device, wherein a toner image is formed on said photo-receptor, and said charging device is configured to uniformly charge a surface of said photo-receptor; and a discharging device provided outside of said process cartridge and configured to emit light to discharge a surface of said photo-receptor, wherein said process cartridge also includes a light incidence opening to pass the light emitted from said discharging device therethrough, wherein said light incidence opening is formed to regulate the light passed so as to irradiate an area of said surface of said photo-receptor and, wherein a first area, of said surface of said photo-receptor which has been irradiated, is outside of a second area of said surface of said photo-receptor, said second area being within 5 mm from a position where said charging device charges said surface of said photo-receptor at an upstream side of said position.