| 摘要 |
An image forming apparatus of the invention outputs page number position information to indicate a position of a page number on an original document, generates image data of the original document by optically reading the original document to which the page number is given, compares, from the generated image data of each of a plurality of original documents, page numbers of the plurality of original documents subjected to an OCR processing based on the page number position information, detects missing of an original document among the plurality of read original document, determines that an abnormality exists in the image data corresponding to the missing original document, and re-reads the original document corresponding to the image data determined to be abnormal among the stored respective image data, and therefore, since the image data of only the page of the missing original document among the plurality of pages is captured, the convenience of the user is improved.
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