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Developing device, image forming apparatus, image forming system

A developing device and image bearing technology, applied in the direction of electric recording process using charge pattern, electric recording process using charge pattern, equipment for electric recording process using charge pattern, etc., capable of solving problems such as image quality degradation

Inactive Publication Date: 2011-08-24
SEIKO EPSON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The occurrence of this phenomenon is the cause of the deterioration of the image quality of the image formed by the image forming apparatus

Method used

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  • Developing device, image forming apparatus, image forming system
  • Developing device, image forming apparatus, image forming system
  • Developing device, image forming apparatus, image forming system

Examples

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Embodiment Construction

[0040] By reading the description of this specification with reference to the accompanying drawings, at least the following will be clear.

[0041] The developing device includes a toner carrying member that includes regularly arranged protrusions and recesses for carrying toner, and develops a latent image carried on the image bearing member with the toner carried on the protrusions and recesses , wherein the latent image is developed in the case where the toner-covered convex portion contacting the convex portion has a lower convex portion coverage than the toner-coated concave portion contacting the concave portion.

[0042] With such an image forming apparatus, deterioration of image quality in an image is suitably prevented.

[0043] The developing device may include an adjustment member for adjusting the amount of toner carried on the protrusions and the recesses, wherein after the adjustment member has adjusted the amount of toner so that the coverage of the protrusions...

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PUM

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Abstract

The present invention provides a developing device that includes a toner bearing member that includes regularly arranged projection sections and depressed sections for bearing toner, and that develops a latent image borne on an image bearing member with the toner borne on the projection sections and the depressed sections, wherein the latent image is developed in a state in which a projection section covering ratio at which toner contacting the projection sections covers the projection sections is smaller than a depressed section covering ratio at which toner contacting the depressed sectionscovers the depressed sections.

Description

[0001] Cross References to Related Applications [0002] This application requires Japanese Patent Application No.2007-144061 filed on May 30, 2007 and Japanese Patent Application No.2007-144062 filed on May 30, 2007 and filed on May 30, 2007 The priority of Japanese Patent Application No. 2007-144065, which is hereby incorporated by reference in its entirety. technical field [0003] The present invention relates to a developing device, an image forming device, an image forming system, a developing method and a toner carrying assembly. Background technique [0004] Image forming apparatuses, such as laser beam printers, are already known. Such an image forming apparatus includes, for example, a photoconductor as an example of an image bearing member that bears a latent image; and a developing device having a toner bearing roller as a toner bearing roller that carries toner and develops a bearing image using the toner. Example of a toner carrying assembly for a latent imag...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03G15/08G03G15/01G06F3/12G03G13/08
Inventor 山田阳一福元贵智
Owner SEIKO EPSON CORP