| 摘要 |
An image forming apparatus includes a heat radiation unit to emit heat by an operating power supplied to the heat radiation unit, a switching unit to supply the heat radiation unit with the operating power, a relay unit to control the operating power to be supplied to the switching unit, a malfunction detector to detect whether the operating power is being supplied to the heat radiation unit and to output a malfunction signal corresponding to the switching unit or the relay unit if the power is not supplied thereby denoting a malfunction, and a controller to output an off-signal to at least one of the switching unit and the relay unit if the malfunction signal is received from the malfunction detector.
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