An image forming system wherein, when there is an instruction to print a plurality of copies of the same image, a plurality of copies to be printed are allocated to each of a plurality of printers and distributed printing is performed, with this image forming system including a distributed print control device wherein, if it has been determined that confirmation printing in which each of a plurality of image forming apparatus prints only one copy cannot be performed normally in at least one of the printers, a plurality of copies to be printed are allocated to each of the printers having been determined to have performed normal confirmation printing, out of a plurality of printers, whereby distributed printing is performed.