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Ink-jet recording head and equipment

An inkjet recording and ink technology, applied in ink, printing, household utensils, etc., can solve the problems of high cost of wiper cleaning device, slow imprinting speed, difficulty in removing accumulation, etc.

Inactive Publication Date: 2006-05-03
CANON KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The second defect is that the accumulation of metal ions contained in the reactive ink is deposited on the end surface of the wiper provided in the inkjet recording apparatus for wiping the discharge surface of the recording head, so , which prevents recovery of recording head performance using the wiper
It is known to mention a wiping device for cleaning the wiper, therefore, the wiping performance of the wiper is restored, but if accumulation is formed, it is still difficult to remove the accumulation using this wiper cleaning device, if this removal is added Go function, wiper cleaning unit is expensive
[0008] The third drawback is that depending on the array of discharge ports in the ink discharge recording head, the reduction of ink water separation and white fog phenomenon may lead to a decrease in printing speed

Method used

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  • Ink-jet recording head and equipment
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  • Ink-jet recording head and equipment

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Embodiment Construction

[0028] best practice

[0029] The following describes the present invention through the introduction of the preferred embodiments, but the present invention is not limited to these embodiments, as long as it is within the scope of the spirit of the present invention, various improvements can be made to the present invention.

[0030]

[0031] FIG. 1 is a schematic perspective view showing an example of an inkjet recording apparatus in which a liquid discharge head (also referred to as a recording head) to be described below can be mounted and applied to the above-mentioned inkjet recording apparatus superior.

[0032]With reference to Fig. 1, an inkjet recording head 101 is installed on the carriage 107, and described carriage 107 is meshed with the helical groove 106 of lead screw 105, and by transmission gear 103,104, under the drive of motor 102, the wire The lever 106 rotates forward and backward, and by the power of the motor 102, the recording head 101 and the carriag...

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Abstract

The ink jet recording head 1 of the invention is provided with a black ink nozzle array Bkl for black ink constituting first ink, and plural color ink nozzle arrays C1 to C3 for discharging color inks. In a color ink nozzle array C1 having the shortest print distance from the black print formed by the black ink nozzle array Bkl, there is introduced a color ink showing the highest mutual reactivity with the black ink, and a color ink showing the next highest mutual reactivity is introduced into a nozzle array C2 having the next shortest print distance, and a color ink showing the lowest mutual reactivity is introduced into a nozzle array C3 having the longest print distance. <IMAGE>

Description

field of invention [0001] The present invention relates to an ink jet recording head and an ink jet recording apparatus for recording an image by discharging ink onto a recording medium. Background technique [0002] In the field of ink-jet recording heads and ink-jet recording apparatuses, it is well known to use black ink containing pigments for forming black images with good print density, print quality, moisture resistance and light fastness on plain paper, or to use A set of inks capable of preventing the bleeding phenomenon, or non-uniform white image aberration (hereinafter referred to as white fog), that occurs in images imprinted with black ink. The white fog phenomenon occurs at the boundary of a black image printed with colored ink. [0003] As representative technologies, Japanese patent applications JP6-106841, 9-11850, 11-334101, and 11-343441, and U.S. patents US5,428,383, US5,488,402, and US5,976,230 introduce a group of inks capable of reducing ink water se...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41J2/21C09D11/00
CPCB41J2/2107C09D11/40B41J2/21
Inventor 加藤真夫松本宣幸井手大策高田阳一
Owner CANON KK