In an image forming device, at an end portion of a middle frame, a first protrusion and a second protrusion are arranged so as to protrude substantially parallel to each other. The receptacle can be filled with additive from a larger storage tank also accommodated in the motor vehicle by way of a connection line that can be blocked. The method further includes generating, for each of a plurality of shale fraction values, a first shale fraction curve on the resistivity graph based on the shale fraction value and the first shale point, and generating, for each of a plurality of sand resistivity values, a first sand resistivity curve on the resistivity graph based on the sand resistivity value and the first shale point. The controller is configured to generate an output control signal to the supply manifold to cause the manifold to direct substantially only water from the storage tank to the wash chamber during the high electricity demand period. A first number of cells of the photo-sensing device are exposed to the light of the optical image during the first resolution mode, and a second number of cells of the photo-sensing device being exposed to the optical image during the second resolution mode.