To provide a paper discharge processing control method which enables a user to easily perform rearrangement processing of printed matters printed by a color printer and a black and white printer with paper discharge processor.

As for a print job in which color pages and black and white pages are mixed, the color pages are printed by the color printer, the black and white pages are printed by the black and white printer with paper discharge processor, and the paper discharge processor performs paper discharge processing for every page into which the user inserts the color pages.