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Developing device

一种显影装置、显影剂的技术，应用在电记录术、光学、仪器等方向，能够解决难稳定的测量等问题

Active Publication Date: 2016-05-25
CANON KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the intensity of reflected light and the like may vary significantly depending on the measurement conditions, so it is difficult to perform stable measurement, making it difficult to apply the adjustment method to developing units to be mass-produced

Method used

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Examples

Experimental program
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Embodiment Construction

[0016] The following will refer to Figures 1 to 5 The embodiments of the present invention are described in detail. In the embodiments, as an example of the image forming apparatus, a tandem type full-color printer is described. However, the imaging device of the present invention is not limited to a tandem full-color printer, and may be other types of imaging devices. In addition, the imaging device is not limited to a full-color imaging device, but may be an imaging device for forming a monochrome image.

[0017] Such as figure 1 As shown in , the imaging device 1 includes an imaging device main assembly 10 . Further, the apparatus main assembly includes an image reading section 20 , a sheet feeding section 30 , an image forming section 40 , a sheet feeding section 50 , a sheet discharging section 60 and a controller 70 . The toner image is to be formed on a sheet S as a recording material, and specific examples of the sheet S may include plain paper, a synthetic resin ...

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PUM

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Abstract

A developing device includes a developing container for containing a developer, an upper cover portion for covering a top surface of the developing container, a developer carrying member rotatably supported by the developing container for carrying and feeding the developer in the developing container, a layer thickness regulating member provided on the developing container for regulating the layer thickness of the developer carried on the developer carrying member, a feeding member rotatably provided in the developing container on the opposite position of the developer carrying member for feeding the developer of the developing container, and a light-transmitting portion. The light-transmitting portion is disposed at a position where when a light beam entering the inside of the developing container is regularly reflected by a surface of a rotation shaft of the developing container, the regularly reflected light is emitted to an outside of the developing container through a gap between the developer carrying member and the layer thickness regulating member.

Description

technical field [0001] The present invention relates to a developing device in which a developer is carried on a developer carrying member, and an electrostatic image on the image carrying member is developed by the developer. Specifically, the present invention relates to a structure for measuring a gap between a developer carrying member and a layer thickness controlling member for controlling the thickness of a developer carried on the developer carrying member. Background technique [0002] Common image forming apparatuses of electrophotographic type are widely used as copiers, printers, plotters, facsimile machines, multifunctional machines having various functions of these machines, and the like. In the image forming apparatus, a method of developing a developer image on a sheet by an image forming unit composed of a developing unit (developing device) using a developer, a photosensitive drum unit, and the like is employed. In the developing unit, a developing sleeve ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03G15/08
Inventor 安井亮太
Owner CANON KK
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