| 摘要 |
An image forming apparatus according to an embodiment includes, a fixing roller including a heat generation source, supplying heat to a printing object, and fixing toner on the printing object, an opposing roller opposed to the fixing roller to hold the printing object between the opposing roller and the fixing roller, a heat exchange roller containing a heat storage material capable of changing in between a liquid and a solid phase, a sensor capable of sensing a temperature of the fixing roller; and a driving unit causing the heat exchange roller to abut against the fixing roller and separating the heat exchange roller from the fixing roller, in accordance with the temperature of the fixing roller sensed by the sensor. |
