PRINT SERVER, IMAGE FORMING APPARATUS, AND IMAGE PROCESSING PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide a print server, an image forming apparatus and an image processing program in which a printing history can be appropriately managed while suppressing a capacity even if printing and outputting a document with a duplication restraining image.

SOLUTION: When print data are received for printing and outputting a document while superimposing thereon a duplication restraining image comprising a duplication restraining pattern as a latent image to appear in a duplicated object, the document and the print data of the duplication restraining image are separated and expanded in image, respectively, and the document and the image data of the duplication restraining image are stored to manage a printing history.

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