Patent ID: 7003239
Filing Date: 2006-02-21
Classification: G03G

Abstract:
1. An image forming apparatus comprising: image forming means performs image formation for forming a toner image and transferring said toner image on a recording medium; heating means for heating a toner carried on said recording medium as forming said toner image, thereby fixing said toner image to said recording medium; sensor which is disposed on a transport path of said recording medium between said image forming means and said heating means for detecting passage of said recording medium, and outputs a timing signal associated with a timing of delivering said recording medium from said image forming means to said heating means; and control means for controlling said heating means to a predetermined temperature by switching on/off the energization of said heating means based on said timing signal, wherein said control means switches on the energization of said heating means a predetermined length of time in advance of a moment that a leading end of said recording medium with respect to a delivery direction of said recording medium arrives at a heating position in which said heating means heats said recording medium.