Fusing unit and image forming apparatus including the same

摘要

A fusing unit (100) of an image forming apparatus, includes: a heating lamp (110) having a heating unit (111), and a tubular unit (113) accommodating the heating unit (111); a heating roller (120) accommodating the heating lamp (110); and a pressing roller to be pressed toward the heating roller (120); the tubular unit (113) includes a reflecting film (115) formed on at least one of an external circumference surface and an internal surface thereof so as to have a different reflectivity along a lengthwise direction of the heating unit (111).