A fixing device, which fixes an unfixed toner image on a recording medium, includes a heating roller, a fixing roller, a pressurizing roller, and an endless belt that stretches over the heating roller and the fixing roller. A heat source and a heat pipe are arranged in a heating roller. The heat pipe substantially uniformly heats the surface of the heating roller.

 
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< Image heating roller, image heating heater, with microwave blocking layer

> Fixing unit including heat roller with tubular heater and fitting surface

> Fuser assembly having compliant end cap
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