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Ink-jet printer

A printer and inkjet technology, applied in printing devices, printing, etc., can solve problems such as bad images and ink shot accuracy drop, and achieve the effects of reducing configuration space, improving printing quality, and suppressing shot shot accuracy drop

Inactive Publication Date: 2006-11-15
NK WORKS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, especially near the end in the width direction of the paper that is not printed, the accuracy of the ink ejected from the print head decreases, resulting in the image printed on the paper. bad image problem

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0020] Hereinafter, referring to the accompanying drawings, a description will be made of a suitable embodiment of the present invention. figure 1 A schematic configuration of an inkjet printer according to this embodiment is shown. figure 2 yes means figure 1 A top view of a brief structure near the printing table contained in an inkjet printer. Figure 3 is a representation of figure 1 A side view of an inkjet printer containing a brief structure near the printing table.

[0021] figure 1 The shown inkjet printer 1 has a conveying roller assembly 5 , an inkjet printing assembly 6 , a pressing roller assembly 7 , a cutting assembly 8 and a discharge roller assembly 9 in a substantially rectangular parallelepiped housing 30 . Inside the casing 30, long rolls of printing paper 2, 3 wound in a curl to form the winding portions 2a, 3a are arranged adjacent to each other in the horizontal direction. The rolls 2a, 3a of the printing paper 2, 3 are respectively held by rollers ...

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PUM

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Abstract

An inkjet printer, wherein an air passage member forming two air passages (38a, 38b) is disposed between a printing table (13) forming a plurality of suction holes (31) and two suction fans (15A, 15B) (14). The two suction fans (15A, 15B) and the two air passages (38a, 38b) correspond to the transport paths of the printing paper (2, 3) respectively. When printing only on the printing paper (2) among the printing papers (2, 3), under the action of the controller, the suction fan (15B) corresponding to the conveyance path of the printing paper (3) not to be printed is not driven, Only the suction fan (15A) corresponding to the transport path of the printing paper (2) to be printed is driven. Therefore, even when only a part of the plurality of print media that can be arranged on the support is arranged on the support, high-quality images can be printed on the print media without lowering the accuracy of ink shooting.

Description

technical field [0001] The present invention relates to an ink jet printer for printing images by ejecting ink onto a printing medium. Background technique [0002] As an inkjet printer, a printing head that reciprocates along the main scanning direction perpendicular to the sub-scanning direction is usually used to eject ink to the printing paper conveyed in the sub-scanning direction, thereby printing the image. Way. In addition, especially when using roll printing paper, in order to ensure the flatness (smoothness) of the printing surface of the printing paper, the suction method is often used. [0003] Here, some inkjet printers of the suction method have: a printing table ( printing plate), and a suction fan that adsorbs printing paper on the surface of the printing table through the suction holes of the printing table (for example, refer to Patent Document 1). In the related printer, since the printing paper facing the printing head is in close contact with the surf...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41J2/02B41J11/42B41J2/01B41J11/00B41J11/06B41J15/22
CPCB41J11/0085B41J11/06B41J15/22
Inventor 辻正秋
Owner NK WORKS CO LTD