A copying machine with a charging device that can substantially improve the advertisement effect in case of printing by adding an additional image to a document image. This copying machine, when the set registered number is plural, changes the kind of advertisement images to be printed every time a document is exchanged. It also changes the kind of advertisement images depending on whether or not a copying mode is a color copy. In particular, if it is the color copy, the above-mentioned changeover is done in accordance with a function mode and/or a document mode, which are detail modes of the color copy. This copying machine also displays a plurality of printable selection candidates from a plurality of advertisement images stored in advance and makes a user on his/her own select an advertisement image to be printed. In this case, a selection condition of the advertisement image by the user (kind or order of the selection candidates to be displayed, or number of selectable advertisement images, for example) is changed in accordance with an environment when the user copies the document (copying mode, current time, or installation location, for example).