To provide a system capable of outputting an image with an advertisement and allowing selection of an advertisement of contents desired by a user and output of different advertisements for respective jobs when a plurality of copies are produced.

This image forming device is provided with a document reading means, an image processing means, an image storage means, an image outputting means, an operation part, a communication means for data communication via a network, a charging means charging for each image formation, a second storage means storing specific data, and an image composite means adding the specific data to image data. In this system, the user can make selection whether the specific data is outputted or not, and on the basis of the selection result, a charge control can be switched.