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

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Problems solved by technology

[0004] However, in the case of a structure that fine-tunes the optical components in the exposure device, t

Method used

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Embodiment Construction

[0023] Hereinafter, an image forming apparatus according to an embodiment of the present invention will be described with reference to the drawings.

[0024] First, refer to figure 1 The overall structure 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 a color printer. In the following description, figure 1 The left side of the paper is the front side (front side) of the color printer 1. Fr, Rr, L, R, U, L shown in each figure Ο They indicate the front side, rear side, left side, right side, upper side, and lower side of the color printer 1 respectively.

[0025] The apparatus main body 2 of the color printer 1 has: a paper feed cassette 3 which stores paper P; a paper feed device 5 which feeds paper P from the paper feed cassette 3; and an image forming section 7 which forms a whole on the paper P Color toner image; fixing device 9 which fixes the toner image to the paper; paper d...

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PUM

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Abstract

The invention provides an image forming apparatus. The image forming apparatus includes a photosensitive drum, an exposure device, a supporting member and a main adjustment member. The photosensitivedrum is provided for each of colors forming a color image. The exposure device is configured to emit a laser light on each of the photosensitive drums to form an electrostatic latent image. The supporting member is configured to support end portions of rotation shafts of all the photosensitive drums. The main adjustment member is configured to shift the supporting member in a vertical plane 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 for forming an electrostatic latent image. Background technique [0002] In an electrophotographic image forming apparatus, a photosensitive drum is exposed by laser light output from an optical element of an exposure device to form an electrostatic latent image on the photosensitive drum. At this time, if the exposure device and the photosensitive drum are slightly misaligned, the image on the photosensitive drum will be tilted (skew) and a color shift will occur. In general, since a large number of components are interposed between the optical element and the photosensitive drum, it is difficult to position the two with high accuracy. [0003] An image forming apparatus has been disclosed that has an exposure device arranged to be inclined with respect to the rotation axis of a photosensitive drum. The image forming device finely adjusts the peripheral speed of the pho...

Claims

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Application Information

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IPC IPC(8): G03G15/00G03G21/16
CPCG03G15/75G03G21/1647G03G21/1671G03G15/04072G03G15/757G03G2221/1606G03G15/0189G03G15/751
Inventor 永岛辉彦竹中秀典
Owner KYOCERA DOCUMENT SOLUTIONS INC
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