An image forming apparatus transfers a toner image formed on a photoconductor drum onto a sheet-like recording member while the sheet-like recording member is transported and attracted to a transfer belt, and comprises a jam handling control unit for detecting a transport fault of the sheet-like recording member, and for stopping the transport operation when the transport fault is detected. An aluminum electrode is formed on an IC substrate. Having identified and characterized the variations, the effects of the distortion may be compensated for and substantially eliminated. The opposed edge 11C has a distance S1 from the door trim 2.