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Printing system and print alignment method for multiple monochrome print cartridges

A technology of ink cartridges and print heads, which is applied to printing devices, printing, transfer materials, etc., and can solve problems such as slow speed

Active Publication Date: 2015-12-02
MEMJET TECH LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These systems are notoriously slower than other printing methods such as laser printing systems

Method used

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  • Printing system and print alignment method for multiple monochrome print cartridges
  • Printing system and print alignment method for multiple monochrome print cartridges
  • Printing system and print alignment method for multiple monochrome print cartridges

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0129] Figure 1A to Figure 1D A printing system 1-1000 according to a first embodiment of the present invention is shown. The printing system 1-1000 has a printhead chassis 1-10 for holding a plurality of printhead cartridges 1-20a, 1-20b, 1-20c, 1-20d, 1-20e (see Figure 1D ), and a plurality of corresponding printhead controller modules 1-25a, 1-25b, 1-25c, 1-25d, 1-25e. For clarity, these figures show only one printhead cartridge 1-20a. However, reference numerals 1-20b, 1-20c, 1-20d, and 1-20e are used to indicate where the remaining printhead cartridges are placed.

[0130] In the illustrated embodiment, five printhead cartridges 1-20a through 1-20e are provided in the printing system 1-1000. Each printhead cartridge 1-20a through 1-20e spans one width of the print medium 1-200. The five print head ink cartridges 1-20a to 1-20e are along the printing medium transport direction, that is to say along the Figure 1A The X direction indicated by the axis in , is position...

no. 2 example

[0170] Figure 20 A printhead chassis 1-10 according to a second embodiment of the invention is shown. In this second embodiment, the ventilation outlets 2-30a, 2-30b, 2-30c, 2-30d (see Figure 2C ) is fed into a pair of common aerosol extraction tracks 20-10a, 20-10b through a plurality of connectors 20-20a, 20-20b, 20-20c, 20-20d. The common aerosol extraction tracks 20-10a, 20-10b feed into the aerosol filters 2-20.

[0171] The use of these common aerosol extraction tracks 20-10a, 20-10b eliminates the need for a plurality of separate hoses to connect the ventilation outlets 2-30a, 2-30b, 2-30c, 2-30d, 2-30e, 2-30f to each other. Connect to the aerosol filter 2-20. The printhead chassis 1-10 appears less cluttered and allows the user to more easily access and manipulate the various components supported in the printhead chassis 1-10. In addition, the ventilation of the printhead chassis 1-10 is significantly improved.

no. 3 example

[0173] Figure 21 with Figure 21A A third embodiment of the invention is shown. In the third embodiment, the printhead chassis 1-10 is provided with a plurality of support arms 21-10a, 21-10b, 21-10c, 21-10d. A plurality of support arms 21-10a, 21-10b, 21-10c, 21-10d are respectively attached to each corner of the printhead chassis 1-10.

[0174] Each support arm 21-10a, 21-10b, 21-10c, 21-20d is fixed to a corner of the print head chassis 1-10 respectively, and is mounted on the print head chassis in a manner similar to a crane. 1-10 so as to overhang the edges of the printhead chassis 1-10. Each support arm 21-10a, 21-10b, 21-10c, 21-10d defines a support fixture 21-15a, 21-15b, 21-15c, 21-15d on which a positioning Pins 1-100a, 1-100b, 1-100c, 1-100d. These positioning pins 1-100a, 1-100b, 1-100c, 1-100d are respectively engaged with a plurality of pin height adjusters 21-20a, 21-20b, 21-20c, 21-20d, and these pin height adjusters adjust The amount that each position...

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PUM

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Abstract

A printing method includes the steps of: receiving a colour image and separating the colour image into a plurality of distinct colour planes; dithering a first distinct colour plane to obtain dot data for the first distinct colour plane; dithering a second distinct colour plane to obtain dot data for the second distinct colour plane; providing the dot data for the first distinct colour plane to a first print head cartridge for printing by a plurality of nozzle rows of the first print head cartridge; and providing the dot data for the second distinct colour plane to a second print head cartridge positioned downstream from the first print head cartridge in a direction of print media propagation, the dot data for the second distinct colour plane for printing by a plurality of nozzle rows of the second print head cartridge.

Description

technical field [0001] The present disclosure is directed to a color inkjet printing system employing multiple pagewide printhead cartridges. Background technique [0002] An inkjet printhead cartridge designed to provide full-color printing traditionally has multiple nozzle rows, one for printing each of the following colors: cyan, magenta, yellow, and black. Conventional printhead cartridges with this arrangement are operated such that each row of nozzles contributes in part to printing each line on a page. In other words, each full-color line that is printed on the page receives ink from each nozzle row of the printhead cartridge. [0003] For example, in the process of printing a color image, one or more nozzles of a cyan nozzle row of the ink cartridge of the print head print a plurality of cyan dots required for the first row on the page. Then, one or more nozzles of a magenta nozzle row of the printhead cartridge print the number of magenta dots required for this sa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41J2/00B41J2/175
CPCB41J2/16505B41J2/155B41J2/16508B41J2/16535B41J2/16585B41J2/1752B41J2/21B41J2/2132B41J2/2146B41J25/304B41J25/34B41J29/02B41J2002/14459B41J2202/20H04N1/506H04N1/6016B41J2/01B41J2/175B41J25/001
Inventor 马克·普罗法察朱利安·保罗·科沃德科威廉·约翰·斯泰西斯蒂芬·约翰·斯雷佩克雷格·唐纳德·斯图德维克尼尔·伊夫·爱德华兹兰斯·托马斯·布朗托比·德斯蒙德·奥斯特埃里克·帕特里克·奥唐纳彼得·约翰·摩尔利·索比大卫·贝尔纳迪詹姆士·安德鲁
Owner MEMJET TECH LTD
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