Patent ID: 8305416
Filing Date: 2012-11-06
Classification: B41J,G02B,G03G,G06K,H04N

Abstract:
1. An image forming apparatus comprising: a plurality of light sources, each of the light sources switchable between an activated condition and a deactivated condition according to supplied image data; a light intensity controller that executes light intensity control to control light intensity of each one of the light sources; an optical writing unit including a deflector to deflect a plurality of light beams output from the plurality of light sources in a main scanning direction; a controller to set a given number of light sources to the activated condition to optically write a latent image on an image bearing member according to an image forming line speed of a light scanning unit; and an image forming unit to develop the latent image written on the image bearing member as a visible image to be formed on a recording medium, the controller instructing the given number of light sources to emit light beams onto an image area set on the image bearing member based on the supplied image data, and instructs all of the light sources to emit light beams at a blank area set on the image bearing member to execute a light intensity control for all of the light sources.