| 摘要 |
A belt fixing device of a type gripping and transporting a recording member bearing an unfixed toner image between an endless belt and a back-up member to fuse the unfixed toner image on the surface of the recording member and comprising a fixing/drive roller, heating/driven roller heated by a heater, a heated endless belt wound around the drive roller and driven roller, and a back-up member pressed against the drive roller through the endless belt. The belt fixing member is capable of transporting a recording member so as to cause the least damage possible, e.g., wrinkling and the like, to the recording member, and precisely maintaining the belt transport speed and transport member transport speed at a predetermined speed so as to produce excellent fixed images. The drive roller has a surface layer of elastic material which is treated by a polishing process along the exterior and in a direction opposite the direction of powered rotation of the drive roller.
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