| 摘要 |
PROBLEM TO BE SOLVED: To provide a fixing device realizing the improvement of the heat efficiency of a fixing roller member. SOLUTION: The fixing roller member is a thin cylindrical elastic body, and a bearing member having a larger inside diameter than the outside diameter of the fixing roller member is provided at both ends of the fixing roller member, and the fixing roller member can be rotated. Then, a heat insulating member larger than the outside diameter of the fixing roller member and inscribing the bearing member so as to hold the fixing roller member is provided between the fixing roller member and the bearing member.
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