Fixing device and image forming apparatus

A fixing device includes a rotatable, endless fixing belt; a rotatable contact member configured to contact a circumferential surface of the fixing belt to form a nip in association with the fixing belt; and a heating member disposed at an interior surface of the fixing belt, configured to heat the...

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Main Authors SEO HIROSHI, ISHIGAYA YASUNORI, KISHI KAZUHITO, YAMAMOTO TAKESHI, FUJIMOTO IPPEI, YAMASHINA RYOTA, ONO HIROSHI, WALDA TAKUMI, SAMEI MASAHIRO
Format Patent
LanguageChinese
English
Published 06.08.2014
Subjects
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Summary:A fixing device includes a rotatable, endless fixing belt; a rotatable contact member configured to contact a circumferential surface of the fixing belt to form a nip in association with the fixing belt; and a heating member disposed at an interior surface of the fixing belt, configured to heat the fixing belt. The heating member includes multiple heat sources arranged along the width of a sheet of recording media in a direction perpendicular to a sheet conveyance direction. An area to be heated by each heat source is changed based on image data and corresponding to an unfixed image on the sheet to heat the fixing belt. The fixing belt is heated by the heating member so that the unfixed image on the sheet that has been conveyed to the nip is fixed onto the sheet at least with heat. The heating member is disposed at a portion other than the fixing nip.
Bibliography:Application Number: CN2014142807