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Method of using variably sized coating particles in mono component developing system

A developing system, a single-component technology, applied in the direction of equipment, developer, electrorecording process applying charge pattern, etc.

Inactive Publication Date: 2013-01-02
AETAS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these efforts have not resulted in a system that efficiently develops toner particles onto a photoreceptor.

Method used

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  • Method of using variably sized coating particles in mono component developing system
  • Method of using variably sized coating particles in mono component developing system
  • Method of using variably sized coating particles in mono component developing system

Examples

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Embodiment Construction

[0028] The non-contact single component development system of the present invention tends to facilitate efficient development of electrostatic images and consistently produce high quality output images. More specifically, the system of the present invention tends to reduce the adhesion force that keeps toner particles on the toner support member, allowing toner particles to jump more easily and efficiently from the toner support member to, for example, on an image bearing member such as a photoreceptor.

[0029] Refer to the accompanying drawings for details, figure 1 Shown is a non-contact or pop-up development system 10 for use with monocomponent toners in accordance with the present invention. The developing system 10 preferably includes a toner supporting member 20 such as a roller and a photosensitive body 30 such as a photosensitive drum or belt. Toner roll 20 and photoreceptor 30 are aligned in a spaced relationship to form a gap 28 at a “developing zone” 29 . Gap 28...

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Abstract

The present invention is directed to a non-contact, single-component developing system for electrophotographic machines that effectively reduces the impact of adhesion forces on the development process. The developing system of the present invention utilizes a single-component toner that tends to reduce the adhesion forces that hold the toner particles on a toner support member. Preferably, the toner is combined with large and small silica particles having a concentration by weight that results in an optimum surface coverage of toner particles by large and small silica particles that facilitates a reduction in the adhesion forces holding the toner particles on the toner support member.

Description

technical field [0001] The present invention relates generally to electrophotography and, more particularly, to non-contact one-component development systems and one-component toners that facilitate efficient development of electrostatic images and consistent high-quality image output. Background technique [0002] Electrophotographic imaging (or xerography) is a well-known method of copying or printing documents. Typically, electrophotographic imaging employs an initially uniformly charged photosensitive surface (commonly known as a photoreceptor) that can hold a charge. The photoreceptor is then exposed to an optical image representation of the desired image, causing specific areas of the photoreceptor surface to discharge to create a latent image. A developed image is formed by applying toner powder using a development system that delivers toner from a toner container to the latent image. This developed image is then transferred from the photoreceptor to a substrate (eg...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03G9/00G03G15/08G03G9/08G03G9/09G03G9/097G03G13/08G03G15/06
CPCG03G9/097G03G9/09708G03G13/08
Inventor L·B·施恩G·加利福德T·穆
Owner AETAS TECH
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