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Wet electrophotographic printer

A photography, wet electrography technology, applied in the direction of electrography, electric recording process applying charge pattern, equipment of electric recording process applying charge pattern, etc. Absorption etc.

Inactive Publication Date: 2004-03-31
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] However, since the amount of the liquid carrier that can be absorbed by the absorbing layer made of a material having an affinity for oil and located on the outer surface of the drying roller 18b of the dryer 18 is limited, the liquid carrier on the photosensitive belt 11 cannot be sufficiently absorbed. Absorption, in particular, traces of carriers present on the photosensitive belt cannot be eliminated, and their accumulation may make the photosensitive belt 11 not work properly

Method used

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Embodiment Construction

[0016] Such as image 3 As shown, the photosensitive belt 31 is rotatably mounted by a drive roller 32, a backup roller 33 and a control roller 34, and along the rotation path of the photosensitive belt 31, a plurality of electrostatic latent image forming devices 36, a plurality of developing devices 35, a Dryer 40 and a transfer mechanism.

[0017] A plurality of latent electrostatic image forming mechanisms 36, each having a laser scanner, scan the laser on the photosensitive belt 31 and generate a potential difference within the photosensitive belt 31, and form an electrostatic latent image based on the potential difference.

[0018] Along the rotation path of the photosensitive belt 31, a plurality of developing devices 35 and a main charger 37 are installed, each developing device 35 forms a toner image on the photosensitive belt 31, and the main charger 37 is used to make the surface of the photosensitive belt 31 With a uniform voltage, a transfer mechanism is installe...

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PUM

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Abstract

A wet electrophotographic printer includes: a plurality of electrostatic latent image forming mechanisms, each of which is used to form an electrostatic latent image on the photosensitive strip of a circular orbit; a plurality of developing devices, each of which is used to make the developer solid at the location forming the electrostatic latent image; a dryer for drying remained developer on the photosensitive strip to form a color dye image; and a transfer printing mechanism for transfer and printing the color dye image to a recording paper, wherein the dryer includes a dry roller, on the external surface of which is provided with a brush. Thereby, the developer remained on the photosensitive strip can be effectively removed.

Description

technical field [0001] The present invention relates to a wet electrophotographic printing machine, and more particularly to a wet electrophotographic printing machine having an improved drier by which the liquid carrier remaining on the photosensitive belt can be efficiently removed. Background technique [0002] In general, electrophotographic printers are used in computer laser printers and copiers. According to the developing method, electrophotographic printing machines are classified into wet type and dry type, in which powdered toner is used in dry type, and in wet type, powdered toner mixed with a liquid carrier is used. In both types of printers, charged toner and liquid toner are transferred to a photosensitive medium, on which the electrostatic latent image is developed, and the paper is transferred from a rotating transfer mechanism in contact with the photosensitive medium. Through the middle, the desired image is printed on the paper. [0003] figure 1 is a ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03G15/00G03G15/06G03G21/10
CPCG03G15/11G03G21/0088G03G2215/0658
Inventor 方正勋
Owner SAMSUNG ELECTRONICS CO LTD
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