| 摘要 |
PROBLEM TO BE SOLVED: To always keep a pressure belt in an optimum state with a simple configuration. SOLUTION: A pressure adjusting means for properly changing the press- contact peripheral direction length or the press-contact force of the pressure belt 132 with a fixing roller 131, according to the temperature state of the transfer material based on the detected surface temperature of the transfer material, is provided so as to eliminate faulty fixing due to excessive heating and supply or insufficient heating, so that an satisfactory fixing property can be obtained stably.
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