Patent ID: 7428389

Claim:
A fixing device for a color image forming apparatus, comprising: a rotating member on an image side having a conductive heat generating layer; an induction current generating member that causes the heat generating layer to induce an induction current; a rotating member not on an image side that transports a fixed medium bearing a toner image in a certain direction by pinching the fixed medium together with the rotating member on the image side; a heating source that heats the rotating member not on the image side; and a control unit configured to control the heating source to reduce power consumption and enables power comparable to the reduced power consumption to be applied additionally to the induction current generating member; and the control unit further configured to control an option comprising a finisher and/or a large-capacity paper feeding member, furnished to a main body of the color image forming apparatus, to reduce power consumption and enable power comparable to the reduced power consumption of the option to be applied additionally to the induction current generating member.