Patent ID: 9224076
Filing Date: 2015-12-29
Classification: G06K,H04N

Abstract:
1. An image forming apparatus, comprising: a communication unit for receiving from an external source electronic data for printing, and receiving unmodified data, which is unmodified electronic data, and modified data, which is electronic data obtained when the unmodified data is modified; an image-reading unit for reading a confirmation document, which is a printout based on the unmodified data, the confirmation document being confirmed by one of a plurality of confirmers and being overwritten with commentary; and generating scan data to serve as image data; a storage unit for storing the unmodified data, the modified data, and the scan data; a comparison processing unit for comparing the unmodified data, the modified data, and the scan data stored in the storage unit, and recognizing a confirmation place in the modified data, which is a modified place that has been modified from the unmodified data in correspondence with the commentary; a printing unit for printing; and an input unit for identifying the unmodified data and scan data to be used out of the unmodified data and scan data that are stored in the storage unit when only the page of the modified data that is overwritten with a comment by a corresponding one of the confirmers and that comprises the confirmation place is being printed, wherein the storage unit stores the scan data of printouts which the printing unit printed for different confirmers based on the unmodified data and which are overwritten with comments by the different confirmers, the comparison processing unit recognizes out of the modified data, based on the confirmation place, a page that is overwritten with a comment by the confirmer corresponding to the scan data and that is modified based on the comment, the printing unit prints, out of the modified data, only the page that is overwritten with a comment by a corresponding one of the confirmers and that is modified based on the comment.