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Print data generating device, print data generating method, and print data generating program

A technology for printing data and generating devices, applied in the directions of printing devices, printing, transfer materials, etc., can solve problems such as uneven stripes, and achieve the effects of reducing the replacement rate, suppressing uneven stripes, and reducing maintenance costs

Inactive Publication Date: 2012-09-12
MIMAKI ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, there is a problem that, when the ejection characteristics of the nozzles deviate, streak unevenness occurs in the print image along the moving direction of the head.

Method used

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  • Print data generating device, print data generating method, and print data generating program
  • Print data generating device, print data generating method, and print data generating program
  • Print data generating device, print data generating method, and print data generating program

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Embodiment Construction

[0040] Preferred embodiments of the print data generation device, print data generation method, and print data generation program according to the present invention will be described in detail below with reference to the drawings. In this embodiment, the present invention is applied to RIP (Raster Image Processor: Raster Image Processor). In addition, in the whole figure, the same code|symbol is attached|subjected to the same or corresponding part.

[0041] figure 1 It is a figure showing the structure of the inkjet printer system equipped with RIP which concerns on this embodiment. Such as figure 1 As shown, the inkjet printer system 1 is composed of an inkjet printer 10 and a personal computer 20 . And, installed in the personal computer 20: the application program 30, it makes the image data that is used for printing in the inkjet printer 10; Print the print data.

[0042] The inkjet printer 10 is provided with a carriage 11 capable of reciprocating movement in the s...

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Abstract

A print data generating device, a print data generating method, and a print data generating program suppress occurrence of streaks in an image printed by an inkjet printer. An RIP (40) is provided with: a dot displacement amount detection unit (41) which detects a displacement amount of the landing position of an ink; a contour detection unit (42) which detects one pixel corresponding to a contour; a dot size setting unit (43) which on the basis of the displacement amount detected by the dot displacement amount detection unit (41) and the pixel corresponding to the contour and detected by the contour detection unit (42), sets the dot size of each pixel to be larger than a resolution pitch; a density setting unit (44) which sets the ink density of the dot to be low; and a print data generation unit (45) on the basis of the dot size of the pixel set by the dot size setting unit (43) and the ink density set by the density setting unit (44), calculates the number of times of ejecting ink droplets and the amount of the ink droplets for each pixel and generates print data to form on a recording medium the dot in the dot size set by the dot size setting unit (43).

Description

technical field [0001] The present invention relates to a print data generating device, a print data generating method, and a print data generating program for generating print data for recording ink droplets at predetermined resolution pitches by ejecting ink droplets from nozzles of an inkjet head. Dots form on the medium. Background technique [0002] Conventionally, in high-quality inkjet printers, a multi-pass printing method in which the same scanning line is scanned multiple times is used to equalize variations in nozzle characteristics and improve image quality. [0003] Patent Document 1: Japanese Patent Laid-Open No. 2007-008110 Contents of the invention [0004] The problem to be solved by the invention [0005] However, in a high-speed inkjet printer, a one-pass printing method in which the same scanning line is scanned only once is used. Therefore, there is a problem that when the ejection characteristics of the nozzles deviate, streak unevenness occurs in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41J2/01
CPCB41J2/2056B41J2/2128B41J2/2132B41J2/2139B41J2/2146B41J19/145B41J2/01B41J29/38
Inventor 大西胜
Owner MIMAKI ENG
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