| 摘要 |
The present invention relates to an induction type heat fixing device. In the induction type fixing device, a high frequency current is supplied to a coil by switching an electric current supply to coil between a supply state and an interrupted state so that an induction current is generated in a fixing roller (heat-receiving member). The high frequency current is controlled in accordance with at least one of the voltage fluctuation of the electric power source, the amount of coil current and the coil voltage.
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