| 摘要 |
PROBLEM TO BE SOLVED: To provide a fixing device capable of continuously supplying electric power to heating coils without generating an interference sound.SOLUTION: A fixing device includes: a plurality of coil driving circuits driving a plurality of induction heating coils; a plurality of switching elements controlling the drive of the plurality of coil driving circuits; a driving circuit turning on/off the plurality of switching elements at the same timing; a control circuit controlling an input voltage applied to each of the plurality of induction heating coils; and a plurality of voltage control circuits stepping up/down the input voltage applied to each of the plurality of induction heating coils according to an instruction from the control circuit. |
