| 摘要 |
An image forming apparatus, for which a heated roller fixing device is employed but for which a savings in power can still be obtained, is provided. The image forming apparatus includes: a fixing device 109 , which is a heated roller fixing device that requires pre-heating in the stand-by state; an operation panel 115 , with which a power-saving mode transition time period T can be changed; and a control part 118 , which selects pre-heating or does not select pre-heating of the heated roller fixing device. The control part 118 employs the power-saving mode transition time period, entered at the operation panel 115 (S 301 ), to change the pre-heating or to not change the pre-heating of the heated roller fixing device (S 302 and S 303 ).
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