A print-request controlling unit requests a print-reservation executing unit to execute provisional reservation of a print job and requests a server communicatable over a network to print a document if the result of the provisional reservation in response to the request received from the print-reservation executing unit indicates that the print job has been provisionally reserved. The print-reservation executing unit receives the request to execute the provisional reservation from the print-request controlling unit, provisionally reserves the print job in response to the received request to execute the provisional reservation, and notifies the print-request controlling unit of the result of the provisional reservation indicating that the print job has been provisionally reserved when the print job is provisionally reserved.