A managing server accepts an instruction of a message intended to be displayed on a screen of an image processing apparatus from a user, and generates page information including the message and first instruction information corresponding to the accepted instruction. The image processing apparatus periodically performs a first inquiry about instruction information for the image processing apparatus to the managing server, displays, in response to a notification based on the first instruction information from the managing server, a message corresponding to the notification in a status display area of a displaying unit, acquires the page information including the message related to the first instruction information from the managing server, and displays the acquired page information on the displaying unit.