Abstract: In an image forming device which acquires image information of a document and forms an image on a recording sheet, an image forming device body has a first reading unit and a processing unit, wherein the first reading unit acquires image information of a document and the processing unit forms an image on a recording sheet based on the image information. An image input device has a second reading unit which acquires image information of a document. The image input device is arranged in the image forming device body at a position lower than a position of the first reading unit.