A system comprises a generation unit which generates a browsing image by performing image processing for image data acquired by scanning; a holding unit which holds, in a storage unit for each use when the image data was printed out, information which defines image processing for converting the browsing image into image data for printing; a specification unit which specifies a use of image data corresponding to the browsing image upon accepting an instruction to print the browsing image; a conversion unit which converts the browsing image into image data for printing by deciding, in accordance with the information in the storage unit, image processing corresponding to the use of the specified image data, and applying the decided image processing to the browsing image; and a control unit which controls a printing unit to output the image data for printing.