Printer including unit for detecting color registration error and method of detecting color registration error

A registration error, color technology, applied in the directions of cleaning methods using liquids, cleaning methods and utensils, chemical instruments and methods, etc., can solve problems such as inability to accurately calculate color registration errors
CN101004572AInactive Publication Date: 2007-07-25SAMSUNG ELECTRONICS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SAMSUNG ELECTRONICS CO LTD
Publication Date
2007-07-25
Estimated Expiration
Not applicable · inactive patent

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Abstract

A printing apparatus and method of detecting a color registration error are provided. A detecting unit detects registration marks comprising a plurality of toner marks. The registration marks are formed on a transfer medium to detect color registration errors of color images. Each toner mark of the registration marks includes a first component inclined with respect to a main scanning direction and a sub-scanning direction, a second component spaced apart from the first component in the sub-scanning direction, and inclined with respect to the first component, and a third component parallel to one of the first component and the second component.
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Description

[0001] This application claims priority under 35 U.S.C. §119(a) of Korean Patent Application No. 10-2006-0006288 filed with the Korean Intellectual Property Office on January 20, 2006, the entire disclosure of which is hereby incorporated by reference. technical field

[0002] The invention relates to a printer comprising a unit for detecting color registration errors and a method for detecting color registration errors. More particularly, the present invention relates to a printer including a unit for detecting color registration errors and a method for detecting color registration errors which are not affected by changes in the speed of a photosensitive medium and a transfer medium. Background technique

[0003] Printing apparatuses, such as printers and copiers, print desired images by forming an electrostatic latent image on a photosensitive medium by charging the photosensitive medium with a constant potential by an exposure member. And, a toner image is formed by devel...

Claims

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