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Ink jet recording apparatus and ink jet recording method

一种喷墨记录、记录头的技术，应用在打印装置、印刷等方向，能够解决成本增大、画质恶化、构成不适当形状等问题

Inactive Publication Date: 2005-06-22
CANON KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For this reason, it is necessary to set a larger heating and drying unit for the recording medium or to reduce the amount of ink required for recording, resulting in an increase in cost. grade image problem
[0009] Second, if one row of nozzles is arranged at a high density, ink droplets discharged from adjacent nozzles may be integrated on the recording medium to form an inappropriate shape based on the ink volume of the ink droplets.
In addition, when the recorded image has a high recording rate (duty), the ink that cannot be completely absorbed on the recording medium will form water accumulation on the surface of the recording medium, which may also lead to deterioration of image quality.

Method used

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  • Ink jet recording apparatus and ink jet recording method
  • Ink jet recording apparatus and ink jet recording method
  • Ink jet recording apparatus and ink jet recording method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0173] In this example 1, in figure 1 The inkjet recording apparatus shown uses four long (about 4 inches) solid-line recording heads as shown in FIG. 15, and performs recording with four color material inks according to the recording method of the above-mentioned embodiment. The 4096 nozzles of the two nozzle rows of each recording head are arranged in a substantially straight line in a direction (Y direction) perpendicular to the scanning direction (X direction) at a density of 600 dpi. In addition, each nozzle of the nozzle row on the downstream side in each recording head is arranged between the nozzles of the nozzle row on the upstream side, so that the arrangement of the nozzles seen as a whole becomes staggered, and the combination of the nozzle rows can achieve 1200 dpi. The density forms a point.

[0174] The electrothermal transducer element (heater) of each nozzle was driven to discharge ink droplets having an ink volume of 5.0±0.5 pl from each nozzle of each recor...

Embodiment 2

[0182] In this Example 2, a single recording head using a recording head in which eight nozzle rows are arranged as shown in FIG. Monochrome images etc. Monochrome images. The structure of each nozzle row is the same as that of the first embodiment described above. However, here, two nozzle rows corresponding to each recording head in Example 1 are regarded as one nozzle group, and four nozzle groups are formed for one recording head. In addition, in the following description, among the two nozzle rows which comprise each nozzle group, the upstream side in the scanning direction is called an even-numbered row, and the downstream side is called an odd-numbered row.

[0183] Ink of the same color, for example, black ink, is supplied to all the four nozzle groups described above. As recording data, ink of the same color, for example, black ink is supplied. As the recording data, generate binary recording data indicating whether to record or not for each pixel of the recording ...

Embodiment 3

[0186] Using the same solid-line recording head as in Example 1, the image to be recorded is separated into four colors of C, M, Y, and K, and each color is binarized. As the maximum recording ink volume for each color, C is 2 ml. / square meter, Y is 5ml / square meter, K is 3ml / square meter, M is 5ml / square meter, and record data are generated thereby. Here, the recording heads are arranged to inject ink in the order of M, Y, K, and C from the upstream side in the scanning direction. As a result of recording image data in one scan using this recording head, it was found that an image of sufficient image quality without deterioration in image quality peculiar to one-pass recording could be recorded.

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Abstract

The present invention provides an inkjet recording device and an inkjet recording method. A plurality of recording heads having a plurality of nozzles that discharge ink are arranged side by side in the scanning direction. The amount of ink per unit area of ​​ink injected into the recording medium by at least the recording head located on the most upstream side in the scanning direction among the recording heads is set to be higher than the ink amount per unit area of ​​ink injected into the recording medium by other nozzle groups. many. In this way, a high-grade image can be formed at high speed with an inexpensive configuration in which a plurality of recording heads are arranged at equal intervals.

Description

technical field [0001] The present invention relates to an inkjet recording apparatus and an inkjet recording method for performing image recording by relatively moving a recording head and a recording medium constituted by integrally arranging discharge ports of ink containing a colorant or the like; An inkjet recording device and an inkjet recording method for so-called one-pass recording in which a recording head is scanned in a scanning direction with respect to a recording medium to complete a recorded image, and the recording head is constituted by arranging a plurality of nozzle groups , the nozzle group is constituted by long nozzle arrays in which nozzles are arranged in a direction intersecting with the recording medium and the relative moving direction (scanning direction) of the recording medium. [0002] The present invention is applicable to all devices that record on recording media made of materials such as paper, cloth, leather, non-woven fabric, projector pap...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41J2/01B41J2/14B41J2/145B41J29/38
CPCB41J2/145
Inventor 柴田烈刈田诚一郎荻野博幸
Owner CANON KK