| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an image forming apparatus which allows a service provider to easily obtain desired benefit even when paper size selected by a service user tends to large size when it is used for print service that print cost is borne by an advertiser. <P>SOLUTION: The image forming apparatus has a multi-attribute double-sided print mode in which an image of first attribute given by a first image data output means is printed on one side of paper and an image of second attribute given by a second image data output means is printed on the other side of the paper. The apparatus is provided with a plurality of paper feeding ports for feeding the paper of different size, a paper selection means for selecting any of the plurality of paper feeding ports in accordance with input to designate the paper size, and a print control means for switching the number of images of the second attribute printed on one side in accordance with the input to designate the paper size in the multi-attribute double-sided print mode. <P>COPYRIGHT: (C)2009,JPO&INPIT |
