Patent ID: 6173141
Filing Date: 2001-01-09
Classification: G03G

Abstract:
An image forming apparatus comprising:a plurality of image supports, said plurality of image supports including a first set of image supports adapted to have color separated images formed thereon and a second image support adapted to have a black monochrome image formed thereon;latent image forming means for forming a latent image on each of said image supports;developing means for visualizing the latent images formed on said image supports;transfer means for successively transferring the visualized images formed on said image supports onto a recording medium to form an image thereon;conveying means for conveying said recording medium to said transfer means;driving means for driving said conveying means and rotationally driving said second image support, and, when a full color image is desired, for selectively rotationally driving the image supports of said first set of image supports, said driving means comprising a first independent drive device for rotationally driving said second image support and said conveying means, and a second independent drive device for rotationally driving each of the image supports of said first set of image supports; anddischarging means for discharging said recording medium with an image transferred thereon.