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Image regulating method and image forming apparatus

An image adjustment and image technology, which is applied to the equipment of the electric recording process using the charge pattern, the electric recording process using the charge pattern, and the electric recording technique. The detection and other problems, to achieve the effect of shortening the adjustment time, shortening the detection process, and shortening the detection cycle

Inactive Publication Date: 2004-05-05
SHARP KK
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

In addition, there is also a problem that it takes a long time to adjust
Also, in order to avoid taking a long time to adjust, it is necessary to reduce the number of sampling times, and thus there is a problem that high-precision detection cannot be achieved

Method used

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  • Image regulating method and image forming apparatus
  • Image regulating method and image forming apparatus
  • Image regulating method and image forming apparatus

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Embodiment Construction

[0036] The following description will explain the present invention in detail on the basis of the drawings showing embodiments of the present invention.

[0037] attached figure 1 is a sectional view showing the overall structure of the image forming apparatus of the present invention. attached figure 1 Reference numeral 100 in represents the image forming apparatus of the present invention, and more specifically represents a digital color printer, a digital color copier, or a combined machine thereof. as attached figure 1 As shown, the image forming apparatus 100 includes an image forming table 80 , a transfer and transfer belt unit 8 , a registration detection sensor 21 , and a temperature and humidity sensor 22 .

[0038] In order to form a multi-color image using black (K), cyan (C), magenta (M), and yellow (Y), the image forming station 80 of the image forming apparatus 100 includes four latent images for forming four kinds of images corresponding to the respective col...

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Abstract

When an instruction to execute a color registration adjustment process is given (S 1 ), an image forming apparatus deactivates a sheet feed driving section and a fixing unit (S 2 ), stops communications with external devices (S 3 ), invalidates control sensors excluding an operation section, a door sensor, and sensors involved in formation of images for adjustment (S 4 ), stops a fan (S 5 ), and then executes the color registration adjustment process by forming reference lines and correction lines on a transfer belt and detecting misregistration between them (S 6 ). With this image adjustment method, it is possible to reduce wasteful consumption of developer and efficiently execute the color registration adjustment in a short period of time.

Description

technical field [0001] The present invention relates to an image adjustment method and an image forming apparatus of an electrophotographic type, and more particularly to an image adjustment method and an image forming apparatus capable of automatically correcting misregistration of a multicolor image, which is caused by misregistration of a multicolor image Induced when a multicolor image is formed by superimposing images of multiple color components on a record carrier. Background technique [0002] In image forming apparatuses such as digital color copiers and digital color printers, after input data is decomposed into individual color components and image processing is performed, images of the individual color components are superimposed to form a multicolor image. If the images of the respective color components are not accurately superimposed in the process of forming a multicolor image, misregistration will occur in the resulting multicolor image, and image quality wi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41J2/44B41J2/385G01D15/06G03G15/00G03G15/01G03G15/16G03G21/00
CPCG03G2215/0119G03G15/5058G03G2215/0161G03G15/5033G03G15/0178G03G15/0194
Inventor 高京介原田吉和冨田教夫真锅申生元山贵晴小田步
Owner SHARP KK
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