Patent ID: 8500346

Claim:
A printing system configurable using an associated document key having an associated initial image thereon, said printing system comprising: an image scanning system for scanning an image on a sheet of media and outputting image data corresponding to said scanned image; a printing engine operative to mark an image on a sheet of media; a memory storing image validity data and a configuration setting; and, a controller in communication with said image scanning system, said printing engine and said memory, said controller adapted to receive image data from said image scanning system corresponding to the associated initial image on the associated document key, said controller operative to compare said image data corresponding to the associated initial image with said validity data to validate the associated initial image, and upon validating said image data said controller operative to perform at least: a) initiating a marking of a first overlay image on the associated document key using said printing engine; b) providing access to said configuration setting stored within said memory; and, c) changing said configuration setting stored within said memory.