| 摘要 |
An image forming apparatus for generating image data of a page divided into small areas continuously in a predetermined direction and forming an image based on the image data, includes a detection unit configured to detect a continuous range of the image data having the same image contents in the page, the page including at least one continuous range, a specifying unit configured to specify image data of interest in the continuous range of the image data detected by the detection unit, and a first determination unit configured to determine based on the image data of interest whether the page is a blank sheet.
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