The color image formation apparatus of the invention can include an image formation unit that is placed diagonally in relation to the vertical direction, a largest paper-feed tray that is placed below the image formation unit and feeds paper to image formation sections of the image formation unit, and...http://www.google.es/patents/US6766137?utm_source=gb-gplus-sharePatente US6766137 - Apparatuses for color image formation, tandem color image formation and image formation
Apparatuses for color image formation, tandem color image formation and ...
