An image forming apparatus for applying a multicolor image to a sheet with transfer material including successive sections of coloring agents of different colors. When the size of the sheet or the region on the sheet in which the image is to be formed is less than half the size of each section of coloring...http://www.google.com.au/patents/US4616236?utm_source=gb-gplus-sharePatent US4616236 - Image forming apparatus with color transfer material
