Patent ID: 6943921

Claim:
A digital image forming apparatus, comprising: an image reader for reading images of a plurality of pages of documents and outputting an image data of each image; a printer for forming images on both sides of a plurality of paper sheets based on the image data output by the image reader; an array setting means for selectively specifying from among the documents a document comprising an image to be arranged on an innermost spread page of a compilation of saddle stitch type prints, and for setting an allotment of each of the plurality of paper sheets such that prints for saddle stitching are obtained by the printer and that the image of the specified document is arranged on the spread page of the saddle stitch type prints; and a control means for changing an order of the image data outputted by the image reader and inputting the image data to the printer in the changed order based on the array setting set by the array setting means.