A master management server for managing print document information in a master includes an acquisition unit configured to acquire a disposal reference date from a system management server for managing a date used as a reference date in disposal processing of print document information, and a master management unit configured to, if the acquired disposal reference date differs from an executed disposal reference date retained in the master management server, perform disposal processing in which print document information is deleted or is set as a non-target for printing, based on the acquired disposal reference date, and transmit a cache update request, containing print document information for which disposal has been suspended in the disposal processing and the disposal reference date used in the disposal processing, to a cache management server for managing cache of a group identified by group identification information contained in the print document information.