| 摘要 |
A fixing device includes a coil for generating a magnetic field; a heating medium having an electroconductive layer which is provided at its inside with said coil, wherein eddy currents are generated by a magnetic field generated by current through said coil so that heat is generated in said electroconductive layer, and an unfixed toner image is fixed on a recording material by the heat, and said heating medium has an inner side spaced from said coil and having a dark color.
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