An image forming apparatus includes an executing portion, which executes a first removing sequence and a second removing sequence when removing a toner image borne on an intermediate transfer member. Mapping information for blocks associated with a file is provided. The helical drill bit is adapted to rotate about the longitudinal axis together with the support portion so as to drill a hole in the ground. One or more lines may be formed overlapping the interconnected sections of each of the plurality of drive lines and the plurality of sense lines.