Image forming device

An image and image carrier technology, which is applied to the electrical recording process using charge graphics, equipment and instruments for the electrical recording process using charge graphics, and can solve problems such as inaccurate color registration.

Inactive Publication Date: 2018-04-17
KYOCERA DOCUMENT SOLUTIONS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, in such an image forming apparatus, color misregistration may occur due to expansion and contraction of optical system components due to temperature changes inside the apparatus.

Method used

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Examples

Experimental program
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Embodiment Construction

[0022] Hereinafter, embodiments of the present invention will be described with reference to the drawings for understanding of the present invention. In addition, the following embodiment is just an example which actualized this invention, and does not limit the technical scope of this invention.

[0023] Such as figure 1 As shown, the image forming apparatus 10 includes: a plurality of sets of image forming units 1 to 4, an intermediate transfer belt 5, an optical scanning device 6, a second transfer roller 7, a fixing device 8, a paper output tray 9, a toner Containers 11 to 14, paper feed cassette 21, transport path 22, ambient temperature detection unit 23, and the like. The image forming apparatus 10 is a printer that forms a color or monochrome image on a sheet fed from a paper feed cassette 21 along a conveyance path 22 and discharges the image to a paper output tray 9 . In addition, in the following description, it may demonstrate using the left-right direction D1, t...

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PUM

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Abstract

This image forming device (10) is provided with: a housing (60) having disposed therein a light source (61), a light scanning member (62), a light detection unit (66) that detects light that is incident at a predetermined position on the scanning path of the light from the light scanning member (62), and a scanning lens (64) that causes uniform scanning of the light scanned by the light scanning member (62) on an image carrier (31); temperature gradient detectors (67), (68) that detect the temperature gradient of the housing (60); a heating heater (35) that heats the image carrier (31) or a sheet; and a correction processing unit (102) that corrects emission start timing on the basis of a detected temperature detected by the temperature gradient detection units (67), (68), and a predetermined operation expression, and that changes the content of the operation expression according to the operating status of a heating heater (35) at the time an image forming process starts.

Description

technical field [0001] The present invention relates to an electrophotographic image forming apparatus. Background technique [0002] In a tandem image forming apparatus having a plurality of image forming units, there is a possibility of occurrence of so-called color misregistration in which the toner images of the respective colors formed on the image carrier in each image forming unit The relative position is shifted along the scanning direction (main scanning direction) of light irradiated from the optical scanning device to the image carrier. For example, in such an image forming apparatus, color misregistration may occur due to expansion and contraction of optical system components due to temperature changes inside the apparatus. Therefore, in an image forming apparatus, color misregistration correction for correcting color misregistration may be performed. In particular, color misregistration correction may be performed using different correction tables when the tem...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41J2/47G02B26/12G03G15/04G03G21/14
CPCG02B26/12G03G15/011G03G15/043G03G21/20G03G2215/00084G03G2215/0158B41J2/47B41J2/44G03G15/01G03G15/04G03G21/14
Inventor 大棚爱一朗
Owner KYOCERA DOCUMENT SOLUTIONS INC
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