Patent ID: 7379678
Filing Date: 2008-05-27
Classification: G03G

Abstract:
1. An image forming apparatus comprising: a sheet feeding device that feeds a transfer material; a receiving device that receives image data; an image forming device that forms an image on a first side and a second side of the fed transfer material based on the image data received by said receiving device; an inversion device that feeds the transfer material having the image formed on the first side thereof until the transfer material is partly exposed to outside of the image forming apparatus and then feeds the transfer material to a refeeding path in the image forming apparatus; a refeeding device that feeds the transfer material inverted by said inversion device to a standby position and causes the transfer material to stop at the standby position for image formation on the second side of the transfer material; a determining device that determines whether or not preparation for image formation on the second side of the transfer material is completed; a pullout detecting device that detects the transfer material caused to stop at the standby position by said refeeding device being pulled out by a user; and a warning device that gives the user a warning to stop pulling out the transfer material when the transfer material being pulled out is detected by said pullout detecting device.