发明名称 |
Fixing Device, Image Forming Apparatus Incorporating Same, And Method For Fixing Toner Image On Recording Medium |
摘要 |
A fixing device includes a pressing rotary body pressed against a fixing rotary body to form a fixing nip therebetween through which a recording medium bearing a toner image is conveyed; a heater to heat the fixing rotary body, disposed opposite a circumferential surface of the fixing rotary body and upstream from the fixing nip a predetermined circumferential distance along the circumferential surface of the fixing rotary body in a direction of rotation of the fixing rotary body; a heater driver to turn on and off the heater; a timing calculator to calculate a reference time at which a trailing end portion of the recording medium in a conveyance direction of the recording medium reaches the fixing nip; and a heater driver controller to cause the heater driver to turn off the heater at a turn-off time earlier than the reference time.
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申请公布号 |
US2012114354(A1) |
申请公布日期 |
2012.05.10 |
申请号 |
US201113291453 |
申请日期 |
2011.11.08 |
申请人 |
SAITO KAZUYA;OGAWA TADASHI;UCHITANI TAKESHI;UENO SATOSHI;KAWATA TEPPEI;HASE TAKAMASA;YUASA SHUUTAROH;YAMAJI KENSUKE;RICOH COMPANY, LTD. |
发明人 |
SAITO KAZUYA;OGAWA TADASHI;UCHITANI TAKESHI;UENO SATOSHI;KAWATA TEPPEI;HASE TAKAMASA;YUASA SHUUTAROH;YAMAJI KENSUKE |
分类号 |
G03G15/20 |
主分类号 |
G03G15/20 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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