Print setting is executed using, as print setting items associated with printing, a setting item on the paper type of printing paper used for printing and a setting item which designates whether to execute manual duplex printing. When execution of manual duplex printing is set, the print page order of a target of manual duplex printing is controlled in accordance with the set paper type. A print command to the target of manual duplex printing is output to a printing apparatus on the basis of the controlled print page order.