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Fixing device and image forming device including the fixing device

A technology for fixing parts and positioning protrusions, which is applied in the field of image forming devices and fixing devices, can solve problems such as unstable electrical connections between contact parts and contact metal plates, achieve reliable electrical connections, suppress image quality degradation, and suppress The effect of positional offset

Inactive Publication Date: 2020-06-12
KYOCERA DOCUMENT SOLUTIONS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, like the conventional fixing device, when the charge removal member and the contact metal plate are electrically connected by the contact member, there may be cases where the electrical connection between the contact member and the contact metal plate becomes unstable due to positional deviation of the contact member. The problem

Method used

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  • Fixing device and image forming device including the fixing device
  • Fixing device and image forming device including the fixing device
  • Fixing device and image forming device including the fixing device

Examples

Experimental program
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Embodiment Construction

[0027] Embodiments of the present invention are described below with reference to the drawings.

[0028] like figure 1 As shown, an image forming unit P is arranged inside the main body of the image forming apparatus 100 to form a black-and-white image through the steps of charging, exposure, development, and transfer. In addition, here, a monochrome digital multifunction peripheral is shown as the image forming apparatus 100 .

[0029] The image forming portion P is positioned along the rotation direction of the photosensitive drum 1 ( figure 1 The counterclockwise direction) is equipped with a charging device 2, an exposure unit 3, a developing device 4, a transfer roller 7, a cleaning device 8, and a charge removing device (not shown). In the image forming section P, the photosensitive drum 1 is figure 1 The image forming process on the photosensitive drum 1 is performed while turning it counterclockwise.

[0030] The photosensitive drum 1 has a photosensitive layer lam...

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PUM

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Abstract

The present invention provides a fixing device and an image forming device including the fixing device. A fixing device of the present invention includes a fixing housing, a charge removing member, a holding member, a contact metal plate, and a first contact member. The charge removing member comes into contact with the recording medium that has passed through the fixing nip, and removes charges from the recording medium. The holding part fixes the charge removing part and is mounted on the fixing case. The contact metal plate is kept at a specified potential. The first contact part electrically connects the charge removing part and the contact metal plate. The holding member has a hollow cylindrical positioning protrusion, and the fixing case has an insertion hole into which the positioning protrusion is inserted. The first contact part is arranged in the positioning protrusion, and one end protrudes from the top end of the positioning protrusion, and the contact metal plate is arranged opposite to the top end of the positioning protrusion.

Description

technical field [0001] The present invention relates to a fixing device and an image forming apparatus including the fixing device, and more particularly, to a fixing device having a charge removing member for removing charge from a recording medium passing through a fixing nip portion, and an image forming apparatus including the fixing device. Background technique [0002] Conventionally, electrophotographic image forming apparatuses such as copiers and printers carry toner images on the surface of image carriers such as photosensitive drums and intermediate transfer belts, and transfer the toner images carried on the surface of the image carrier to recording media. Finally, the recording medium is sent into a fixing device, and after the toner image is fixed on the recording medium by the fixing device, the recording medium is conveyed to a paper output tray or the like. [0003] The fixing device is provided with a fixing member including, for example, a roller and a bel...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03G15/20G03G21/16
CPCG03G15/2064G03G21/1652G03G21/1685G03G15/2028G03G15/2053G03G15/6573
Inventor 山中达也
Owner KYOCERA DOCUMENT SOLUTIONS INC
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