WARM-UP CONTROLLER FOR HEATING AND FIXING DEVICE
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专利名称：WARM-UP CONTROLLER FOR HEATING AND FIXING DEVICE
发明人：WATANABE NORIYUKI
申请号：JP1488591
申请日：19910116
公开号：JPH04242278A
公开日：
19920828
专利内容由知识产权出版社提供
摘要：PURPOSE:To suppress overshooting as much as possible and to offer a transfer sheet not having a curl and winkles at the time of fixing by starting the rotations of a heating roller and a pressure roller when the surface temp. of the heating roller does not reach a toner melt-sticking temp. within a set time. CONSTITUTION:The applying of a power source or the opening of a cover is released, and the energization of a heating lamp 18 and simultaneously, the counting of time on a timer circuit are started, so that a heating/fixing unit 15 has a fixing possible state. Then, the surface temp. of the heating roller 19 is detected by a thermistor 21, and when the surface temp. of the heating roller 19 within the set, time reaches the toner melt-sticking temp., the energization of the heating lamp 18 is stopped and warm-up control is completed. When it does not reach the toner melt-sticking temp., the rotations of the heating roller 19 and the pressure roller 20 are started.
申请人：TOKYO ELECTRIC CO LTD
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