METHOD FOR CORRECTING COLOR SHIFT, OPTICAL RECORDING DEVICE AND IMAGE FORMATION APPARATUS

摘要

PURPOSE: To highly precisely correct a color shift at low cost without using a driving motor rotation control means or an encoder against a velocity variation of an image carrier or an intermediate transfer member as a dynamic cause. CONSTITUTION: In the image formation apparatus which images by forming images of different colors by at least one image formation means with the image carrier, and directly or indirectly transferring images of different colors formed by the image formation means onto a moving member, an application position of laser beams emitted from an optical recording means while a latent image is formed by the application of laser beams by the writing means is adjusted in a vertical scanning direction, thereby correcting the color shift between colors.