An editor server in a server transmits a layout image to a user PC. An image editor in the user PC displays an editor window containing the layout image on a display. When the user enters a print start command through an input device, processing to check whether or not credit is granted to the user is performed between a Web browser in the user PC and a Web server of the server. If it is confirmed that credit is granted to the user, the editor server transmits a real image container to the image editor.