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image forming device

A technology of image and installation direction, which is applied to the electrical recording process, instrument, optics and other directions of application of charge graphics, which can solve the problems of unit disassembly and assembly, boss positioning, etc.

Active Publication Date: 2020-10-16
KYOCERA DOCUMENT SOLUTIONS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the case where it needs to be pressed lightly like this, it will be troublesome to attach and detach the unit
In addition, when the impact received by the image forming apparatus is large, it is difficult to securely position the boss in the U-shaped groove in advance.

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0018] Next, an image forming apparatus according to an embodiment of the present invention will be described with reference to the drawings.

[0019] First, refer to figure 1 , the overall configuration of the color printer 1 as an image forming apparatus will be described. figure 1 It is a schematic diagram showing the outline of a color printer. In the instructions below, the figure 1 The left side of the paper of 1 is the front side (front side) of the color printer 1, and the left-right direction is based on the direction in which the color printer 1 is viewed from the front side.

[0020] The main body 2 of the color printer 1 has a paper feed cassette 3 for storing paper P, an image forming unit 4 for forming a full-color toner image on the paper P, and a fixing unit 4 for fixing the toner image on the paper P. A device 5 , a discharge device 6 that discharges the paper P on which the toner image is fixed, and a discharge tray 7 that receives the discharged paper P. ...

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PUM

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Abstract

An image forming apparatus (1) includes a drum unit (15) supporting a photosensitive drum (21), a development unit (16) forming a toner image on the photosensitive drum (21) and a process frame (18). In the process frame (18), along a predetermined installation direction, after the drum unit (15) is installed, the development unit (16) is installed. The process frame (18) includes a pair of supporting parts (61, 62) supporting a pair of supported parts (35) provided in the development unit (16). One supporting part (62) supports one supported part (35) along a direction intersecting the installation direction and to restrict movement of the one supported part (35) along the installation direction. Other supporting part (61) restricts movement of other supported part (35) along the installation direction when, after the other supported part (35) is supported along the installation direction, the drum unit (15) is installed to the process frame (18).

Description

technical field [0001] The present invention relates to an image forming apparatus having a process unit in which a drum unit supporting a photosensitive drum and a developing unit supporting a developing device are detachably provided. Background technique [0002] Image forming devices such as printers and copiers are sometimes configured with a drum unit that rotatably supports a photosensitive drum, a developing unit that supports a developing device, and an intermediate transfer unit that rotatably supports an intermediate transfer belt. On the process frame. [0003] In such an image forming apparatus, positioning portions for positioning each other are formed on the respective units and the processing frame. When each unit is installed on the processing rack from above in the specified order, a boss (boss) for positioning is formed on each unit, and a U-shaped groove for the boss to engage is formed on the processing rack. When mounted on the processing rack, the bo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03G21/16
CPCG03G21/1671G03G21/1676G03G21/1647G03G21/1821G03G2221/1654G03G21/1814
Inventor 松野昭典
Owner KYOCERA DOCUMENT SOLUTIONS INC
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