Image forming equipment for applying heat to a charged image carrier to attenuate part of the potential of the image carrier in order to form a latent image on the image carrier. The surface of a dielectric image carrier is charged by a charger and a thermal print head is driven in response to image...http://www.google.com.au/patents/US5300952?utm_source=gb-gplus-sharePatent US5300952 - Thermal image forming equipment forms image directly on image carrier or paper sheet