An apparatus for forming a multicolor image having a color correcting device with an operational processor for correcting and converting an image data composed of a plurality of color data. The apparatus has a device for forming a latent image on an image retainer based on the results of the color correction...http://www.google.de/patents/US4680625?utm_source=gb-gplus-sharePatent US4680625 - Method and apparatus for multicolor image forming
