Patent ID: 8660445

Claim:
A fuser unit comprising: a cylindrical member having flexibility; a heat generator, which is arranged inside of the cylindrical member; a nip member, which is arranged to slidingly contact with an inner peripheral surface of the cylindrical member; a backup member, which is configured to form a nip part, between the cylindrical member and the backup member, by nipping between the backup member and the nip member; a conductive member, which has conductivity and is arranged to cover the heat generator inside of the cylindrical member; a temperature detection unit, which is arranged at an opposite side to the heat generator with respect to the conductive member interposed therebetween, inside of the cylindrical member; a wiring, which is connected to the temperature detection unit and is extended from an end portion of the cylindrical member; a first frame having insulation, which is arranged at an opposite side to the heat generator with respect to the conductive member interposed therebetween inside of the cylindrical member, and which extends along the conductive member; and a second frame, which is arranged at an opposite side to the conductive member with respect to the first frame interposed therebetween inside of the cylindrical member, and which extends along the first frame, wherein the wiring is arranged between the first frame and the second frame.