| 摘要 |
The present invention relates to a fixing device for use in an image forming apparatus, which comprises a heating roller, a pressure roller supported so as to be capable of separating from the pressure roller, and a cover movable interlocking with separating the heating roller from the pressure roller for covering a predetermined portion of the heating roller surface in order to prevent an unfixed toner image on a transfer sheet or the hand of an operator from touching the surface of the heating roller as the jammed sheet is removed.
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