Patent ID: 7729005

Claim:
An image forming apparatus comprising: an image forming section for forming an image on a transfer body; a transfer section for transferring the image formed on said transfer body to a recording medium; a recording medium holding section for holding the recording medium; a feeding section for feeding the recording medium from said recording medium holding section to said transfer section; a recording medium detecting section for detecting the recording medium in the said recording medium holding section; and a control section for controlling a transport operation of the recording medium, wherein when said recording medium detecting section detects that there are no recording medium in said recording medium holding section during an image forming operation of both sides of a plurality of recording mediums, said control section carries out a control operation for the image formation on a recording medium not fed by said feeding section so as to form an image to a second surface of the recording medium that is being transported in said apparatus and has an image formed on its first surface.