| 摘要 |
PROBLEM TO BE SOLVED: To prevent an image forming apparatus in which a defect in end fixation in the beginning of printing and a rise in temperature of a non-paper-feed part in continuous printing irrespective of parameters of the surface roughness, thickness, etc., of a recording material. SOLUTION: In the image forming apparatus, a heating element 23 for heating and fixing an unfixed image has a plurality of heat generating elements 23b and 23c and at least one heat generating element 23c has such a heat generation distribution that heat generation is different between the center part and lengthwise ends, the power supply ratio of each of the heat generating elements 23b and 23c is variable, and a means 46 for detecting electric power consumed by the heating element 23 is provided to vary power supply to the heat generating element 23c having the different heat generation distribution according to the integral power consumption from the start of printing. COPYRIGHT: (C)2007,JPO&INPIT
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