Patent ID: 8662618

Claim:
An apparatus for duplex printing, comprising: a sheet feeding unit configured to feed a sheet, wherein the sheet is continuous; a print unit configured to perform printing on the sheet; a detecting unit configured to detect a jam occurred when the sheet is being conveyed; a reverse unit configured to reverse the sheet printed at the print unit for the duplex printing; a cutter unit, disposed between the print unit and the reverse unit in a sheet conveying path, configured to cut the sheet on which a plurality of images are printed at the print unit; and a control unit; wherein the control unit controls so that, in the duplex printing, the printing unit performs printing of a plurality of images in sequence on a first surface of the sheet fed from the sheet feeding unit, the cutter unit cuts the sheet at a trailing end of the printed images, the cut sheet is reversed by the reverse unit to feed the reversed sheet to the printing unit, the printing unit performs printing of a plurality of images in sequence on a second surface that is a back of the first surface of the sheet fed from the reverse unit, and the cutter unit cuts the sheet into a plurality of cut sheets, and wherein, in the event that the detecting unit detects the jam during printing on the first surface, the printing unit stops printing then the cutter unit cuts the sheet, and the control unit displays a location where the jam has occurred on a display to prompt a user to perform jam restoration processing.