1. An image forming apparatus comprising: an image acquisition unit configured to acquire a print target image; a scanner configured to scan an image on a sheet; a recognition unit configured to recognize a previous reuse information from the image scanned by the scanner; a generation unit configured to generate a revised reuse information based on the previous reuse information recognized by the recognition unit; a selection unit configured to select, in the print target image acquired by the image acquisition unit, an area where the revised reuse information can be printed; a combination unit configured to create a combined image containing: the print target image, and the revised reuse information in the area selected by the selection unit; a deletion unit configured to delete the image on the sheet from which the image is scanned by the scanner; and an image forming unit configured to print, with a deletable image forming material: the combined image on the sheet from which the image is deleted by the deletion unit if an area where the revised reuse information can be printed can be selected in the print target image by the selection unit, and the print target image without the revised reuse information on the sheet from which the image is deleted by the deletion unit if an area where the revised reuse information can be printed cannot be selected in the print target image by the selection unit.