IMAGE HEATER

摘要

An image heater capable of giving gloss to the surface of the heated toner image without any collapse of the heated toner image carried by a recording medium. An image heater (9) comprising heating means (11, 12) for heating an unfixed toner image (ta) carried by a recording medium (P) and pressing means (21, 22) for giving gloss to the surface of the heated unfixed toner image (tb)by pressing the heated unfixed toner image further comprises pressing force varying means (54L, 54R) for varying the pressing force exerted on the unfixed toner image by the pressing means, temperature sensing means (51, 52) for sensing the temperature of the pressing means, and pressing control means (53). The image heater (9) is characterized in that the pressing control means controls the pressing force varying means according to the temperature information from the temperature sensing means before the pressing means presses the unfixed toner image to vary the pressing force by the pressing means.