| 摘要 |
An image forming apparatus includes: a fixing device having a heating member, a heat source, a rotating member, and a temperature sensor; and a control device configured to control the heat source, wherein, in a case of a low temperature state where the temperature of the heating member is lower than a predetermined temperature, the control device to control the heat source such that the temperature of the heating member rises with a gradient equal to or greater than a predetermined value, and wherein, in a case of a high temperature state where the temperature of the heating member at the print-instruction receiving time is equal to or higher than the predetermined temperature, the control device to control the heat source such that the temperature of the heating member rises with a gradient smaller than that in the normal mode.
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