Patent ID: 6094208
Filing Date: 2000-07-25
Classification: G03G,H04N

Abstract:
A color image forming apparatus comprising:an image information input means for inputting image information;a laser recording means having a plurality of laser scanner units for component colors of images, arranged in parallel with each other, each scanner unit including a laser, a rotational polygon mirror and a driving motor for driving the rotational polygon mirror;a laser scan control means for governing the drives of the driving motors for performing laser scanning in accordance with the image information; andan image forming means having a plurality of image forming units for component colors, for forming images, arranged in parallel with each other, each image forming unit forming an image from the latent image recorded on the photoreceptor by the corresponding laser scanner unit, wherein the laser scan control means, based on the periodic signal obtained every predetermined period of time from the laser scanner unit which is driven under the predetermined rotational conditions, of the plurality of laser scanner units arranged in parallel with each other, drives the rotations of the remaining laser scanner units and controls each laser scanner unit so that the periodic signals from all the laser scanner units become synchronized with each other.