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Medium supplying apparatus of image forming device

一种介质供应装置、成像设备的技术，应用在打印装置、应用电荷图形的电记录工艺的设备、运输和包装等方向，能够解决部件失灵、图像质量变差等问题

Inactive Publication Date: 2008-03-05
HEWLETT PACKARD DEV CO LP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, components can fail and image quality can deteriorate

Method used

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  • Medium supplying apparatus of image forming device
  • Medium supplying apparatus of image forming device
  • Medium supplying apparatus of image forming device

Examples

Experimental program
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Embodiment Construction

[0030] Reference will now be made in detail to embodiments of the present general inventive concept, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout. The embodiments are described below in order to explain the present general inventive concept by referring to the figures.

[0031] As shown in FIG. 2 , a medium supply device of an image forming apparatus according to an exemplary embodiment of the present general inventive concept includes a medium supply box 110 , a knock-up plate 120 , a pickup roller 130 , a separating unit 140 and a grounding unit 150 .

[0032] The medium supply box 110 is provided with a space for stacking printing mediums, such as printing paper, and installed in the body 100 (shown in FIG. 5 ) of the image forming apparatus. The main body 100 has many components installed therein to form a desired image on a supplied printing medium. Since the configuration of components ...

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PUM

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Abstract

A medium supplying apparatus of an image forming device capable of removing static electricity generating in medium supplying operation by a ground. The medium supplying apparatus includes a medium supplying cassette mounted in a main body of the image forming device, a knock-up plate disposed to be movable up and down in the medium supplying cassette by at least one elastic member and to support printing media, a pickup roller to pick up the printing media loaded on the knock-up plate, a separating unit disposed on medium supplying cassette to separate the printing media one by one when the printing media are picked up, and a ground unit to ground the knock-up plate and the separating unit to the main body.

Description

technical field [0001] The present general inventive concept relates to an image forming apparatus. More particularly, the present general inventive concept relates to a medium supply apparatus for an image forming apparatus that picks up and supplies loaded printing mediums (eg, paper, transparencies, or other suitable printing mediums) one by one. Background technique [0002] Generally, an image forming apparatus such as a copier, a printer, a facsimile, a multifunction machine, etc. has a function of forming a desired image input from the outside on a printing medium such as printing paper. Such an image forming apparatus has a developing unit, a transfer unit, a fixing unit, and a medium discharging unit installed in a main body. In addition, the image forming apparatus also has a medium supply device that supplies the loaded printing medium to the main body one by one. An example of such a media supply is shown in FIG. 1 . [0003] Referring to FIG. 1 , the medium s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03G15/00
CPCB65H3/5223B65H2301/5321B65H2301/5133B65H1/12B41J13/00B41J11/00
Inventor 朴勇还
Owner HEWLETT PACKARD DEV CO LP