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US07729628B2 Image heating apparatus including a transition temperature lower than a target low temperature 失效
图像加热装置包括低于目标低温的转变温度

Image heating apparatus including a transition temperature lower than a target low temperature
Abstract:
An image heating apparatus includes a heating rotatable member for heating, in a nip, an image on a recording material; a heater for heating the image heating member; a cooling device for cooling the image heating member, wherein when a target temperature of the image heating member is changed to a low temperature which is lower than the target temperature, the apparatus is operable in a mode wherein a temperature of the image heating member is lowered by the cooling device to a transition temperature which is lower than the low temperature, and then, the temperature of the image heating member is raised by the heater to the low temperature.
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