A requested print job is divided and distributed to a plurality of printers to efficiently and correctly print data of the print job, with only a simple user instruction of distributed printing. Under the control of a distribution controller, data of a print job is divided into data corresponding to the number of printers from which the data is output, and spooled in specific file formats in accordance with a combination of the printers. In accordance with the spooled data, divided print data is generated and distributed to the printers via a network under the control of a transmission controller.