Patent ID: 8045876
Filing Date: 2011-10-25
Classification: G03G

Abstract:
1. A heating device for an image forming apparatus comprising: an image-side rotating member; a non-image-side rotating member for nipping and carrying a heating target medium having a toner image thereon into a predetermined direction together with the image-side rotating member; a first heating source which is supplied with power by using a commercial power source for heating the image-side rotating member; a second heating source which includes at least two lamp heaters and is supplied with power by using a commercial power source for heating the non-image-side rotating member; and a control unit for controlling power supplied to the first heating source and the second heating source while in a warming-up mode, the control unit supplies power to the first heating source until the first heating source has received a maximum quantity of power permitted for the first heating source, and after the first heating source has received the maximum quantity of power permitted, the control unit supplies power to the second heating source.