Patent ID: 9141067
Filing Date: 2015-09-22
Classification: G03G

Abstract:
1. An image forming apparatus comprising: a conveyance unit configured to convey a recording sheet along a conveyance path; an image forming unit configured to form an image on the recording sheet conveyed by said conveyance unit; a control unit configured to control said conveyance unit and said image forming unit so that a double-sided image formation process is performed to a plurality of recording sheets; a detection unit configured to detect a jam of the recording sheet on the conveyance path; and a determination unit configured to determine whether residual sheets, which are recording sheets on the conveyance path other than a jamming sheet that generates a jam, are available in the double-sided image forming process resumed after the jam is removed when the jam is detected by said detection unit based on whether the same image is being formed on the plurality of recording sheets, an order identification number of a recording sheet on which an image has been formed on one side, and an order identification number of the latest recording sheet that was normally ejected, wherein said control unit stops the double-sided image formation process and ejects the residual sheets that are determined unavailable by said determination unit from the conveyance path.