An object is to effect high quality printing of images such as photographs, designs, and the like, without using special paper. A printing apparatus includes a mechanism for supplying a recording medium that includes a recording medium surface, a mechanism for coating a surface modifier on a surface...http://www.google.com.au/patents/US6126281?utm_source=gb-gplus-sharePatent US6126281 - Printing apparatus, printing method, and recording medium
