Patent ID: 9223270
Filing Date: 2015-12-29
Classification: G03G

Abstract:
1. An image forming apparatus comprising: a forced light emission detection unit for detecting a forced laser beam emission state that an exposing unit irradiates a laser beam continuously when the exposing unit starts forming a latent image on a photosensitive drum; a toner transfer control unit for performing the developing by moving a toner to the electrostatic latent image formed at a position before the electrostatic latent image on which the forced laser beam emission is detected when the exposing unit is in a forced laser beam emission state, and transferring a toner image formed by the developing to a sheet; a sheet re-conveyance unit for making the sheet being in a re-conveyance state by means of a duplex printing conveyance path, the sheet on which the toner image is transferred; and a toner re-transfer control unit for reforming the electrostatic latent image formed after the position on which the forced laser beam emission state is detected, performing the developing by moving the toner to the electrostatic latent image, and transferring the toner image formed by the developing to the sheet in the re-conveyance state, wherein the forced light emission detection unit detects that the exposing unit is in the forced laser beam emission state when a light receiving element provided to an end of a direction orthogonal to a rotation direction of a photosensitive drum receives the light beam after a start of forming the electrostatic latent image.