| 摘要 |
The present invention relates to driving of a heater of a fixing unit in an image process apparatus. In case of driving first and second heaters by using a constant voltage output control circuit, when the first or second heater is switched from an ON state to an OFF state, an operation of the constant voltage output control circuit is stopped, thereby preventing destruction of circuit elements. Also, when the first heater is in the ON state and the second heater is switched from the OFF state to the ON state, the operation of the constant voltage output control circuit is stopped.
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