Patent ID: 8605131
Filing Date: 2013-12-10
Classification: B41J,G03G

Abstract:
1. An image forming apparatus that performs a shading correction, the image forming apparatus comprising: a light source that emits a light beam; a light-source drive unit that drives the light source; and a light-quantity-adjustment-amount control unit that performs an adjustment of a light quantity in accordance with a shading correction curve by controlling, for the light-source drive unit, a light-quantity adjustment amount and an increase/decrease cycle of the light-quantity adjustment amount, the increase/decrease cycle being a unit of time within a time period during which the light-quantity adjustment amount increases or decreases, wherein the light-quantity-adjustment-amount control unit performs the adjustment of the light quantity by adjusting a length of the increase/decrease cycle or a length of the time period itself in the time period during the light-quantity adjustment amount increases or decreases.