Patent ID: 7299003

Claim:
A fixing unit comprising: an endless fixing belt having a heat generating layer of a thickness not more than 40 μm and a releasing layer of a thickness not less than 10 μm; a heating unit that heats the fixing belt with electromagnetic induction; a fixing member and a pressurizing member that are in a pressed contact, wherein the fixing belt passes through a nip between the fixing member and the pressurizing member, and a recording material that holds an unfixed toner image is passed through the nip to fix the toner image, wherein a toner to form the toner image includes at least a binder resin, a colorant, and a mold releasing agent, and has a glass transition temperature in a range of 35° C. to 50° C. and an outflow-start temperature in a range of 80° C. to 110° C., and wherein a heat capacity of the fixing belt is in a range of 0.017 J/K·cm 2 to 0.077 J/K·cm 2 .