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inkjet recording device

An inkjet recording and ink technology, applied in the field of inkjet recording devices, can solve the problems of quality reduction, easy generation, tiny droplets (attachments, etc.), and achieve the effect of stable quality

Active Publication Date: 2021-03-16
KONICA MINOLTA INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, if the droplet discharge operation is continued, there may be cases where unnecessary tiny droplets (attachments) are likely to be generated due to the influence of the previous droplet discharge operation. Issues such as quality reduction

Method used

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Examples

Experimental program
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Embodiment Construction

[0039] Embodiments of the present invention will be described below based on the drawings.

[0040] figure 1 It is a perspective view schematically showing a schematic configuration of the inkjet recording device 1 of the present embodiment.

[0041] The inkjet recording device 1 includes a conveyance unit 10 , a recording unit 20 , a control unit 40 , and the like.

[0042] The conveyance unit 10 conveys the recording medium P at a determined speed. The conveyance unit 10 has a driving roller 11, a driven roller 12, a conveyor belt 13, and the like.

[0043] The conveyor belt 13 is an endless belt stretched between the driving roller 11 and the driven roller 12 , and moves around between the driving roller 11 and the driven roller 12 . On the outer peripheral surface of the side of the conveyor belt 13 that is not in contact with the driving roller 11 and the driven roller 12, here, the recording medium P is placed in the range of the plane facing the ink ejection surface ...

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PUM

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Abstract

The present invention provides an inkjet recording device capable of recording with more stable quality. The inkjet recording device includes: a nozzle that ejects ink; a pressure generating unit that applies a pressure change to ink in an ink flow path communicated with the nozzle through a predetermined driving operation; and a driving unit that operates the pressure generating unit, and the driving unit can pass The pressure generating part performs the driving operation at the timing of each predetermined cycle time for 2 or more predetermined times, and ejects ink droplets of a liquid volume corresponding to the number of operations of the series of driving operations from the nozzle. When the number of operations is 2 In this case, two driving operations are performed at intervals twice the cycle time.

Description

technical field [0001] The present invention relates to an inkjet recording device. Background technique [0002] Conventionally, there is an inkjet recording device that ejects ink from a nozzle to land on a medium to record an image or the like. In an inkjet recording device, generally, shading is expressed in terms of the coverage area of ​​ink per unit area. As one of the methods of controlling the coverage area of ​​ink, there is known a method of changing the liquid volume per drop of ink. [0003] As a technique for appropriately changing the liquid volume of each droplet of ink, there is a technique of adjusting the ejection timing and speed of a plurality of droplets ejected through a plurality of consecutive droplet ejection operations so that these droplets are A technique of merging before landing to obtain a single droplet in an amount corresponding to the original number of droplets (for example, Patent Document 1). [0004] Patent Document 1: Japanese Paten...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41J2/015B41J2/045B41J2/14
CPCB41J2/04516B41J2/04588B41J2/04581B41J2/04595B41J2/04596B41J2/04541
Inventor 岛添雅纪
Owner KONICA MINOLTA INC