Patent ID: 8390852
Filing Date: 2013-03-05
Classification: G06F

Abstract:
1. A printing apparatus comprising: a first acquiring unit configured to acquire a document to be printed; a second acquiring unit configured to acquire update history information about update history of the acquired document; a third acquiring unit configured to acquire print history information about print history of the acquired document, wherein the print history information includes print layout information; a generating unit configured to generate print image data based on the acquired document; a receiving unit configured to receive a command to difference print the acquired document; an identifying unit configured to identify, as print target data and from the print image data generated by the generating unit, only those generated print image data which include an updated page, wherein the identifying is based on the updated history information and the print layout information and is in response to the receiving unit receive a command to difference print the acquired document; and a printing unit configured to execute printing based on print target data identified by the identifying unit.