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Heating unit and image forming apparatus

A heating unit and image technology, which is applied to the equipment of the electric recording process applying the charge pattern, the electric recording process and the instrument applying the charge pattern, etc., can solve the problem of increasing the size of the fixing device, and achieve the effect of inhibiting heat transfer.

Active Publication Date: 2019-01-15
FUJIFILM BUSINESS INNOVATION CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this structure, it is easier to suppress heat transfer to the electronic components than in the case where the electronic components are disposed inside with respect to the end of the heating roller, but the fixing device tends to increase in size

Method used

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  • Heating unit and image forming apparatus
  • Heating unit and image forming apparatus
  • Heating unit and image forming apparatus

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0033] [1] Exemplary Embodiment

[0034] figure 1 The overall configuration of the image forming apparatus 1 according to the exemplary embodiment is shown. The image forming apparatus 1 electrophotographically forms a color image on a medium. The image forming apparatus 1 is connected to external devices through communication lines (not shown). When image data is transferred from an external device to the image forming apparatus 1, the image forming apparatus 1 converts, for example, image data of an RGB color scheme into image data of a CMYK color scheme. On the basis of the converted image data, the image forming apparatus 1 performs a process by fixing four toners having respective colors of yellow (Y), magenta (M), cyan (C), and black (K) and set on a medium. A color image is formed on the media.

[0035] The image forming apparatus 1 includes toner image transfer devices 11 (11Y, 11M, 11C, and 11K), an intermediate transfer belt 12, sheet feeding devices 13 (13-1 and...

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PUM

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Abstract

The invention relates to a heating unit and an image forming apparatus. The heating unit includes a first rotatable member that generates heat; a second rotatable member that forms, in combination with the first rotatable member, a pressure area through which sheets of different sizes pass one by one; a housing that supports the first and second rotatable members such that the first and second rotatable members are rotatable; an electronic component that is fixed to the housing and includes a portion that overlaps a smallest one of the sheets passing through the pressure area in terms of a position in a long-side direction of the pressure area; and an other member that is provided between the first rotatable member and the electronic component.

Description

technical field [0001] The present invention relates to a heating unit and an image forming apparatus. Background technique [0002] According to Japanese Unexamined Patent Application Publication No. 2005-91522, there is provided a heat shield for preventing heat generated from a heat source included in a fixing device class) temperature increase. [0003] For example, in the fixing device, electronic components such as connectors may be provided on the outside with respect to the end portion of the heating roller in order to suppress heat transfer to the electronic components. In such a structure, it is easier to suppress heat transfer to the electronic component than in the case where the electronic component is disposed inside with respect to the end portion of the heating roller, but the fixing device tends to increase in size. For example, in reducing the size of the fixing device in consideration of the space provided in the fixing device, a problem is how to suppre...

Claims

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Application Information

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IPC IPC(8): G03G15/20
CPCG03G15/2053G03G15/1665G03G15/0216
Inventor 野泽成美饭仓和昭
Owner FUJIFILM BUSINESS INNOVATION CORP