Method for reducing developer consumption and electronic photographic processor carrying out the same method

An electrophotographic and processor technology, which is used in the visual representation of photographic printing, permanent visual display devices, and electrical recording technology using charge patterns, etc.

Inactive Publication Date: 2004-06-23
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The purpose of the present invention is to provide a method for reducing the consumption of developer used in an electrophotographic processor, by adjusting the power of the laser beam, to solve the above-mentioned or other problems of saving developer in traditional methods

Method used

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  • Method for reducing developer consumption and electronic photographic processor carrying out the same method
  • Method for reducing developer consumption and electronic photographic processor carrying out the same method
  • Method for reducing developer consumption and electronic photographic processor carrying out the same method

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Embodiment Construction

[0017] Reference will now be made in detail to the presently preferred embodiments of the invention, examples of which are shown in the accompanying drawings, wherein like reference numerals refer to like elements throughout. The embodiments are described in order to explain the present invention by referring to the figures.

[0018] Before describing the method for reducing the consumption of a developer used in an electrophotographic processor according to an embodiment of the present invention, some brief explanations will be given of exposure processing, development processing, and laser beam power.

[0019] Exposure processing is done in an electrophotographic processor using a laser exposure device. During the exposure process, when the laser beam is emitted onto the charged photosensitive drum, an electrostatic latent image is formed on the photosensitive drum due to the potential difference between the exposed area and the unexposed area of ​​the photosensitive drum. ...

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Abstract

A method of reducing consumption of toner material used in an electrophotographic processor that forms a latent electrostatic image on a charged photosensitive object using a laser exposure unit for outputting a laser beam, the method including adjusting a power of the laser beam to match a user-selected density of an output image so as to adjust an electric potential between an image region and a non-image region of the latent electrostatic image, wherein the consumption of the toner material is reduced, and an electrophotographic processor performing the method.

Description

[0001] This application claims priority from Korean Patent Application No. 2002-51878 filed with the Korean Intellectual Property Office on Aug. 30, 2002, the contents of which are hereby incorporated by reference. technical field [0002] The present invention relates to an electrophotographic processor using a laser scanning unit (LSU) as a light source, and more particularly to a method for reducing developer consumption in an electrophotographic processor by adjusting the power of the laser beam in accordance with the output image setting density Methods. Background technique [0003] figure 1 is a block diagram of a conventional electrophotographic processor, which includes: a charging unit 10 , a laser exposure unit 20 , a photoreceptor 30 , a developing unit 40 , and a transfer unit 50 . [0004] A high negative voltage is applied through the charging unit 10 to charge the photoreceptor 30 . In order to form an electrostatic latent image on the photoreceptor 30 , an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03G15/06G03G15/043G06K15/12
CPCG03G15/043G06K15/005G06K15/1209G03G2215/0429G03G15/06
Inventor 郭仁求韩硕均
Owner SAMSUNG ELECTRONICS CO LTD
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