| 摘要 |
The fixing device having therein the heating member for heating a toner image, the pressure applying member arranged to face the heating member for performing a pressure contact to the heating member, an urging means which urges the pressure applying means, and a changeover means which changes the condition of the pressure applying member from the pressure contact condition to the heating member to the pressure contact released condition by controlling the urging means, wherein urging power by the urging means under the pressure contact released condition is lower than that under the pressure contact condition.
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