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Fixing device built in electrophotographic image forming apparatus, temperature control method for fixing device, and recording medium having embodied thereon computer program for the same
Fixing device built in electrophotographic image forming apparatus, temperature control method for fixing device, and recording medium having embodied thereon computer program for the same
A fixing device built in an electrophotographic image forming apparatus and a temperature control method for the fixing device are provided. The fixing device comprises a power supplying unit for supplying power to the fixing device; a control variable determination unit for determining control variables corresponding to operating states of the fixing device, wherein the control variables are used to control a temperature of the fixing device; a temperature detection unit for detecting the temperature of the fixing device; and a temperature control unit for controlling the temperature of the fixing device by using the control variables, wherein the temperature control unit comprises a duty ratio adjustment unit for adjusting a duty ratio of the supplied power based on the determined control variables. In addition, the control variable determination unit determines the control variables corresponding to at least one of a plurality of operating states.
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