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Image forming apparatus and image forming method

A technology for images and image data, applied in the field of image forming devices, capable of solving problems such as image quality degradation

Inactive Publication Date: 2010-08-04
SEIKO EPSON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, when the manufacturing and assembling precision of the lens is lowered, there is a problem that the image quality deteriorates

Method used

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

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Experimental program
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Embodiment Construction

[0034] Embodiments of the present invention will be described. Figure 14 , Figure 15 It is an explanatory diagram showing the prior art of the present invention. Figure 14 Indicates the arrangement relationship between a lens (ML) with a negative optical magnification and a light-emitting element (dot). Figure 14 In ML4, more than two light-emitting elements 2 are arranged in the axial direction of the photoreceptor (X direction, the first direction) and the rotation direction of the photoreceptor (Y direction, the second direction). A latent image is formed on the body.

[0035] The light-emitting element 2 is assigned a serial number of "1 to N" for the sake of simplification. In the light emitting element row 3 a of the first column shown in the figure in the Y direction, "2, 4, . . . N" light emitting elements are arranged from the left to the right in the figure shown in the X direction. The light emitting elements 3b arranged in the second row in the Y direction ...

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Abstract

An image forming apparatus that includes a latent image carrier on which a latent image is formed, an exposure head that has a first imaging optical system, first light emitting elements that emit light to be imaged by the first imaging optical system, a second imaging optical system, and second light emitting elements that emit light to be imaged by the second imaging optical system and which form the latent image on the latent image carrier at a position adjacent to the first light emitting elements in a first direction, an image processor that has an input unit to which image data are input, and a data giving unit that gives correction data to correct positional slippage of the latent image formed on the latent image carrier to the input image data.

Description

technical field [0001] The present invention relates to an image forming apparatus and an image forming method that prevent deterioration of image quality due to manufacturing and assembling accuracy of an imaging optical system and the like. Background technique [0002] As an optical printer using an exposure head, there are electrophotographic printers using an LED head and electrophotographic printers using a liquid crystal linear head. These printers convert print data described in units of pages into optical writing data and perform printing. In particular, when performing color printing, data described in various color coordinate systems such as RGB are converted into CMYK that can be printed by a printer. Furthermore, halftone processing is performed to express shades, and images are expressed with CMYK-sized halftone dots. [0003] As the above-mentioned printer (image forming apparatus), there is known an exposure head in which light-emitting elements such as LED...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03G15/04H04N1/00
CPCH04N2201/0082G03G15/50H04N1/0473G03G15/326G03G2215/0426H04N2201/04787H04N1/1911G03G15/04036G03G15/04045
Inventor 藤田彻宗和健井熊健
Owner SEIKO EPSON CORP