| http://www.w3.org/ns/prov#value | - 20090324271IMAGE FORMING APPARATUS AND CONTROL METHOD THEROF - An image forming apparatus according to the invention includes an auxiliary power supply configured to detachably mountable on the image forming apparatus, a fixing device including a main heater heated by a commercial power supply and an auxiliary heater heated by the auxiliary power supply, a detector that detects mounting and detach
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