Image forming apparatus

An image and exposure device technology, which is applied in the direction of electric recording process applying charge pattern, equipment for electric recording process applying charge pattern, electric recording technique, etc., can solve the problems of large-scale and complicated exposure device

Active Publication Date: 2019-09-06
KYOCERA DOCUMENT SOLUTIONS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in the case of a structure that fine-tunes the optical components in the exposure device, there is a problem of complicating the structure and control, or increasing the size of the exposure device.

Method used

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Examples

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Embodiment Construction

[0026] Hereinafter, an image forming apparatus according to an embodiment of the present invention will be described with reference to the drawings.

[0027] 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 front view schematically showing the internal structure of the color printer. In the description below, the figure 1 The left side of the paper of , is defined as the front side (front side) of the color printer 1 . Fr, Rr, L, R, U, and Lo shown in each figure represent the front side, rear side, left side, right side, upper side, and lower side of the color printer 1, respectively.

[0028] The main body 2 of the color printer 1 has a paper feeding cassette 3, a paper feeding device 5, an image forming unit 7, a fixing device 9, and a paper discharge device 13, wherein the paper feeding cassette 3 accommodates paper P; the paper feeding device 5 The paper P is fed from the pape...

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PUM

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Abstract

The invention provides an image forming apparatus. The image forming apparatus includes a groove, an exposure device and an adjustment member. In the groove, an end portion of a rotation shaft of a photosensitive drum is inserted. The exposure device is configured to emit a laser light on the photosensitive drum to form an electrostatic latent image. The adjustment member is configured to shift the end portion of the rotation shaft in a direction other than a vertical direction in the groove to adjust a skew of the laser light.

Description

technical field [0001] The present invention relates to an image forming apparatus having a photosensitive drum on which an electrostatic latent image is formed. Background technique [0002] In an electrophotographic image forming apparatus, an electrostatic latent image is formed on a photosensitive drum by exposing a photosensitive drum to light with laser light output from an optical element of an exposure device. At this time, if the position of the exposure device and the photosensitive drum is slightly shifted (misaligned), the image on the photosensitive drum will be tilted (skewed), and color shift (color shift) will occur. In general, since many parts are interposed between the optical element and the photosensitive drum, it is difficult to position them with high precision. [0003] Disclosed is an image forming apparatus having an exposure device arranged so as to be inclined with respect to a rotation axis of a photosensitive drum, the image forming device fine...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03G15/00G03G21/16
CPCG03G15/75G03G21/1647G03G21/1671G03G15/04072G03G15/757G03G15/1615
Inventor 永岛辉彦
Owner KYOCERA DOCUMENT SOLUTIONS INC
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