Method for enhancing function of electrophotographic imaging device comprehensively

An imaging device, an electrophotographic technology, which is applied to the equipment of the electric recording process applying the charge pattern, the electric recording process applying the charge pattern, the electric recording technique, etc. Effect

Active Publication Date: 2014-09-10
PRINT RITE UNICORN IMAGE PROD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

China has not yet formulated an environmental standard for ozone, but the authoritative department tested that under normal ventilation, the concentration of the air around a laser printer or laser copier is 0.28PPM, which is 6 times higher than the standard, and it will be higher than above in an unventilated environment. hundred times

Method used

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  • Method for enhancing function of electrophotographic imaging device comprehensively
  • Method for enhancing function of electrophotographic imaging device comprehensively
  • Method for enhancing function of electrophotographic imaging device comprehensively

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Embodiment Construction

[0029] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0030] see figure 1 , the electrophotographic imaging device can be a laser printer or a laser duplicator, including an exposure assembly 3, an image forming assembly 2, a transfer assembly 1 and a fixing assembly 4; the image forming assembly 2 includes a photosensitive drum assembly and a developing assembly, and the photosensitive drum assembly includes a photosensitive drum assembly The drum 21 and the corona wire device 22a; the developing roller assembly includes a power supply device and the developing roller 23 connected thereto; the fixing assembly 4 includes a temperature sensor and a fixing roller 41a with a heating tube structure and a pressure roller 42; the surface of the photosensitive drum 21 Charged by the corona wire 22a, the laser scanner 3 emits modulated laser light containing image information to the photosensitive drum 21, forming...

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Abstract

A method for improving functions of an imaging apparatus comprises: replacing a mechanically damaged or aged part whose function is unrecoverable in an imaging apparatus with a new part with the same function and the same structure; substituting a charging roller (22) for a corona wire (22a); substituting a fixing film (41) having an electronic ceramic heating structure (411) for a fixing roller (41a) having a heating tube structure; and reducing the fixing temperature by adopting a low temperature fixing toner, and setting the fixing temperature to a range of 100°C to 140°C.

Description

technical field [0001] The invention relates to an improvement method of an electrophotographic imaging device, in particular to a method for comprehensively improving the functions of an electrophotographic imaging device. Background technique [0002] Electrophotographic imaging equipment includes laser printers and laser copiers. Laser printers or laser copiers use the physical and chemical principles of light, electricity, and heat to output text or images. The basic imaging process can be divided into seven steps: charging, exposure, development, transfer, fixing, cleaning, and power elimination. First, the surface of a photosensitive drum in an electrophotographic image forming apparatus is charged by a corona wire. The laser scanner emits modulated laser light containing image information to the photosensitive drum, and forms an electrostatic latent image corresponding to the image to be formed on the surface of the photosensitive drum. Next, toner from the develope...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03G15/00
CPCG03G21/16G03G15/0208G03G15/2014
Inventor 汤付根周宏辉
Owner PRINT RITE UNICORN IMAGE PROD CO LTD
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