A multifunction device includes a scanning unit, an image-forming unit, and a joint holder for supporting the scanning unit on top of the image-forming unit. The joint holder is configured of a rear holder disposed on the upper rear side of the image-forming unit and two side holders disposed on top of the image-forming unit on the left and right sides for supporting the scanning unit on three sides. A network control unit is accommodated in an internal space in the rear holder, while a backup battery and a speaker are accommodated in internal spaces in the side holders. Accordingly, the multifunction device is downsized.