Patent ID: 8879970
Filing Date: 2014-11-04
Classification: G03G

Abstract:
1. An image forming apparatus comprising: an image forming unit including a photosensitive member, a scanning unit configured to scan said photosensitive member by light corresponding to image data to form an electrostatic latent image on said photosensitive member, and a process unit configured to act on said photosensitive member for image formation; a control unit configured to control to form a plurality of electrostatic latent images for correction for color misregistration correction on said photosensitive member; a voltage application unit configured to apply a voltage to said process unit; a current detection unit configured to detect a current that flows to said voltage application unit via said process unit when said voltage application unit applies the voltage to said process unit; and a conversion unit configured to convert an output value detected by said current detection unit such that a variation range Vp of the output value detected by said current detection unit at a formation period Tp of the electrostatic latent image for correction becomes larger than a variation range Vd of the output value detected by said current detection unit at a one-rotation period Td of said photosensitive member on which the electrostatic latent image for correction is not formed.