Patent ID: 8401428

Claim:
A fixing device configured to be mounted on a main casing of an image forming apparatus, comprising: a heating member configured to contact a recording medium to apply heat thereto while rotating about an axis; a frame that supports the heating member and includes a frame fixing part configured to be fixed to the main casing to mount the frame on the main casing; a detecting unit that opposes the heating member in an opposing direction, wherein the detecting unit is configured to detect a temperature of the heating member and wherein the detecting unit is separated from the heating member; and a support member that supports the detecting unit, wherein a first support member fixing part of the support member is located at a position closer to the frame fixing part than the detecting unit, and wherein a second support member fixing part of the support member is located at a same position as the detecting unit in an axial direction with respect to the frame, wherein the first and second support member fixing parts are configured for attaching the support member to the frame.