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Inkjet printer

An inkjet printer and print head technology, which is applied to printing devices, printing and other directions, can solve the problems of color ink contamination, second color ink contamination, and difficulty in absorbing ink for cleaning rollers respectively.

Inactive Publication Date: 2006-05-31
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if the width of the nozzles of each color in the nozzle unit is too narrow, it is difficult for the cleaning roller to absorb ink of each color separately.
Therefore, when cleaning the second color ink after cleaning the first color ink, the cleaning roller may cause the second color ink to be contaminated by the first color ink
In other words, since one cleaning roller is used to clean inks of multiple colors, color inks are contaminated

Method used

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Embodiment Construction

[0018] The matters defined in the specification, such as detailed structure and elements, are for a better understanding of the embodiments of the present invention. Therefore, those of ordinary skill in the art can see various improvements and modifications of the embodiments that do not exceed the scope and concept of the present invention. In addition, for clarity and conciseness, descriptions of known functions and structures are omitted.

[0019] See Figure 1 to 3 , The inkjet printer includes a print head 100, a nozzle unit 110, a pair of conveying rollers 200, and a cleaning device 300. The print head 100 includes a nozzle unit 110 having a plurality of nozzle chips 111. The length of the nozzle unit 110 corresponds to the width of the paper P. When rotating, the conveying roller 200 passes the paper P therebetween and conveys the paper to the nozzle unit 110. The cleaning unit 300 is arranged at the lower part of the print head 100 to clean ink droplets remaining on the no...

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PUM

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Abstract

An inkjet printer includes a printhead having a length corresponding to the width of paper to be printed. The print head has a nozzle unit having a plurality of nozzle sheets. A cleaning device that slides along the length of the printhead and forcibly absorbs and removes impurities stuck to the nozzle sheet.

Description

Technical field [0001] The present invention relates to an inkjet printer, and more particularly, the present invention relates to an inkjet printer including a cleaning device for cleaning nozzles. Background technique [0002] Generally, an inkjet printer forms an image by ejecting ink droplets from a print head of a predetermined height above the upper surface of the paper. The print head reciprocates in a direction perpendicular to the direction of paper movement. [0003] The print head includes a nozzle unit, and the nozzle unit has a plurality of nozzles for ejecting ink. After the nozzle ejects ink onto the paper, the ink droplets that are not ejected onto the paper will remain around the nozzle. When the ink is repeatedly ejected, the residual ink droplets will accumulate and fall in undesirable positions. In addition, when the ink drops dry, dust in the air will adhere to the ink drops, forming solid deposits. These solid deposits can block part of the nozzle and change...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41J2/165B41J2/00
CPCB41J2/16585B41J2/16523B41J29/17
Inventor 罗九焕
Owner SAMSUNG ELECTRONICS CO LTD