Fitzpatrick, Cella, Harper & Scinto
Image process unit having charging member impedance correction feature
 An image forming apparatus includes an image bearing member; a charging member for charging the image bearing member; an image forming device for forming an image on the image bearing member; and an impedance circuit between the charging member and a voltage source for supplying electric power to the charging member, the impedance circuit having an impedance which is peculiar to individual image forming apparatus in accordance with an impedance of the charging member. 
Canon Kabushiki Kaisha
G
G03G
inventional
Masaharu Masanobu
Ohkubo Saito