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Inkjet head and inkjet printer

An inkjet head and nozzle technology, applied in printing, inking device, etc., can solve problems such as adverse effects of spitting in the spitting area

Active Publication Date: 2017-05-03
TOSHIBA TEC KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the conventional inkjet head, due to the influence of the negative pressure on the nozzle caused by the ejection operation from the first ejection area, it may have a bad influence on the ejection of the next ejection area.

Method used

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  • Inkjet head and inkjet printer
  • Inkjet head and inkjet printer
  • Inkjet head and inkjet printer

Examples

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Embodiment Construction

[0019] Embodiments will be described below with reference to the drawings.

[0020] figure 1 It is a diagram showing a configuration example of the inkjet printer 100 according to the embodiment.

[0021] The inkjet printer 100 is a device that performs various processes such as image formation while conveying paper P as a printing medium along a predetermined conveyance path. The inkjet printer 100 includes an inkjet head 10 , a casing 110 , a paper feed cassette 111 as a paper supply unit, a paper discharge tray 112 as a discharge unit, holding rollers 113 , a transport device 114 , and an inverting device 118 .

[0022] The housing 110 constitutes the exterior of the inkjet printer 100 . Paper feeding cassette 111 is provided inside housing 110 . Paper feed cassette 111 stores paper P. A paper discharge tray 112 is provided on an upper portion of the casing 110 . The paper discharge tray 112 is used to discharge the paper P on which an image is formed.

[0023] The ho...

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PUM

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Abstract

The invention provides an inkjet head and an inkjet printer which improve poor ejection. In accordance with an embodiment, an inkjet head comprises a plurality of first driving elements containing a plurality of first pressure chambers respectively communicating with a plurality of first nozzles; a plurality of second driving elements containing a plurality of second pressure chambers respectively communicating with a plurality of second nozzles; a common liquid chamber configured to communicate with a plurality of the first pressure chambers and a plurality of the second pressure chambers; and a controller configured to apply an ejection pulse to the plurality of first driving elements and at least one non-ejection pulse to the plurality of second driving elements before an end time of the ejection pulse.

Description

technical field [0001] Embodiments of the present invention relate to an inkjet head and an inkjet printer. Background technique [0002] An inkjet head of an inkjet printer is provided with a plurality of discharge regions constituted by a plurality of pressure chambers communicating with one nozzle. The plurality of discharge areas discharge ink to printing media such as paper at different timings. For example, after the inkjet head discharges ink from the first discharge region, it discharges ink from the next discharge region. In the conventional inkjet head, the ejection from the first ejection area may adversely affect the ejection from the next ejection area due to the negative pressure on the nozzle. Contents of the invention [0003] In order to solve the above-mentioned technical problems, an inkjet head and an inkjet printer in which discharge failure is improved are provided. [0004] According to an embodiment, the inkjet head includes: a plurality of first...

Claims

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Application Information

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IPC IPC(8): B41J2/01B41J2/14
CPCB41J2/01B41J2/14201B41J2/04525B41J2/04543B41J2/04588B41J2202/10B41J2202/12B41J2/04581B41J2/04596B41J2/04541B41J2/155
Inventor 铃木伊左雄市川晶也菊地纪行
Owner TOSHIBA TEC KK
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