Patent ID: 8599413

Claim:
An image forming apparatus comprising: a latent image carrier having a surface that moves; an optical writing unit that scans and emits light in a main scanning direction at an intensity, the main scanning direction intersecting a direction in which the surface of the latent image carrier moves, thereby writing a latent image to the latent image carrier; a developing unit that develops the latent image of the latent image carrier; a first storage unit that stores first light intensity adjustment data for adjusting the intensity of light emitted from the optical writing unit such that a deviation of the intensity of the light in the main scanning direction due to characteristics of the optical writing unit is corrected; a second storage unit that stores, separately from the first light intensity adjustment data, second light intensity adjustment data which can be set at different irradiation points in the main scanning direction, the second light intensity adjustment data for adjusting the intensity of the light emitted from the optical writing unit such that the deviation of image density at each of the irradiation points in the main scanning direction is corrected; a control unit that controls the intensity of the light emitted from the optical writing unit when the light is emitted in the main scanning direction, on the basis of the first light intensity adjustment data stored in the first storage unit and the second light intensity adjustment data stored in the second storage unit; an image density detecting unit that detects the density of an image formed on the surface of the latent image carrier or the surface of a transfer body, to which the image is transferred from the latent image carrier, at a predetermined detection position facing the surface of the latent image carrier or the surface of the transfer body; and a setting changing unit that changes the setting of image formation conditions such that the density of the image detected by the image density detecting unit has a predetermined value, wherein the second light intensity adjustment data is set on the basis of a point corresponding to the detection position of the image density detecting unit.