CN113771519B - Printing method of ink-jet printer and ink-jet printer - Google Patents
Printing method of ink-jet printer and ink-jet printer Download PDFInfo
- Publication number
- CN113771519B CN113771519B CN202111066970.8A CN202111066970A CN113771519B CN 113771519 B CN113771519 B CN 113771519B CN 202111066970 A CN202111066970 A CN 202111066970A CN 113771519 B CN113771519 B CN 113771519B
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- China
- Prior art keywords
- ink
- nozzles
- jet
- printing
- printing method
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Links
- 238000000034 method Methods 0.000 title claims abstract description 30
- 239000007921 spray Substances 0.000 claims description 15
- 230000006870 function Effects 0.000 claims description 4
- 239000002699 waste material Substances 0.000 abstract description 5
- 238000009825 accumulation Methods 0.000 abstract description 4
- 238000005507 spraying Methods 0.000 description 5
- 238000001035 drying Methods 0.000 description 4
- 239000003086 colorant Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000011418 maintenance treatment Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/07—Ink jet characterised by jet control
Landscapes
- Ink Jet (AREA)
Abstract
The invention relates to a printing method of an ink-jet printer, wherein a nozzle of the ink-jet printer is provided with a plurality of nozzles, and when the ink-jet printer performs printing operation, if only part of the nozzles in the nozzle are required to perform ink-jet operation, the rest of the non-required nozzles are controlled to perform ink-jet operation at a small flow rate. The printing method of the ink-jet printer controls the non-needed nozzles to perform ink-jet operation at a small flow rate when performing the printing operation, the images sprayed by the non-needed nozzles do not influence the display concentration of the printed main image, even the concentration of the main image can be enhanced, and meanwhile, the condition that the ink at the non-needed nozzles is dried can be effectively avoided, so that the problems of nozzle blockage and jet direction deviation are solved. In addition, for the printing work with a short printing time interval, the pre-ink-jet step before the printing work can be omitted, the condition of ink waste is reduced, and the problem of ink accumulation in a designated area is also solved. The invention also relates to an inkjet printer applying the printing method.
Description
Technical Field
The invention relates to the technical field of printers, in particular to a printing method of an inkjet printer and an inkjet printer applying the method.
Background
The existing ink-jet printer mainly comprises a piezoelectric type ink-jet printer and a thermal foaming type ink-jet printer, and the ink is ejected from a nozzle of the ink-jet printer, so that printing work is realized. The ink jet printer has problems of ink drying and jet direction deviation, so that the prior art adopts pre-ink jet and cleaning maintenance treatment in a designated area before printing, thereby improving the ink drying on the nozzles and inhibiting the jet direction deviation. But the preliminary ink-jet is basically to adopt all nozzles to spray all the time, so that a certain waste is caused for the ink, and the ink accumulation in a designated area is easy to be caused after a long time. In addition, only a part of the nozzles perform the ink-jet operation at the time of actual image printing, which may cause a problem that the nozzles which are not used at the time of actual printing are dried again.
Disclosure of Invention
The first technical problem to be solved by the present invention is to provide a printing method of an inkjet printer capable of avoiding drying of nozzles during printing without affecting the density of a printed image.
The second technical problem to be solved by the present invention is to provide an inkjet printer applying the printing method according to the above prior art
The technical scheme adopted by the invention for solving the first technical problem is as follows: a printing method of an inkjet printer, a head of the inkjet printer having a plurality of nozzles, characterized in that: when printing, if only part of nozzles in the spray head are needed to spray ink, the rest of non-needed nozzles are controlled to spray ink at a small flow rate.
As an improvement, the unnecessary nozzles are controlled to perform ink-jet operation at a small flow rate so as to jet and form an image with a ratio of a% relative to the area of the main image on the printed main image, 0 < a.ltoreq.5.
Preferably, the ratio of the image area formed by the inkjet operation at a small flow rate without requiring the nozzle to the main image area is 2% to 3%.
Conveniently, according to the resolution of the printer and the number of ink drops required by the unit area of the unnecessary nozzles converted from the ratio data a%, the alternate ink-jet action of the unnecessary nozzles is controlled by a random function, so that all the ink drops of the unnecessary nozzles are dispersed and uniformly distributed on the main image.
In order to more accurately control the working time of each spray head, the condition that the ink at each spray head is dried is avoided, the time after the ink spraying of each spray nozzle in the spray head is finished is respectively counted, and when the time after the ink spraying of the spray nozzle reaches the preset threshold time, the spray nozzle is controlled to conduct the ink spraying work.
The invention solves the second technical problem by adopting the technical proposal that: an inkjet printer, characterized by: the printing method as described above can be realized.
Preferably, a control chip is included, the control chip including a processor and a memory storing a control program that is executed by the processor to implement the printing method as described above.
Compared with the prior art, the invention has the advantages that: the printing method of the ink-jet printer controls the non-needed nozzles to perform ink-jet operation at a small flow rate when performing the printing operation, the images sprayed by the non-needed nozzles do not influence the display concentration of the printed main image, even the concentration of the main image can be enhanced, and meanwhile, the condition that the ink at the non-needed nozzles is dried can be effectively avoided, so that the problems of nozzle blockage and jet direction deviation are solved. In addition, for the printing work with a short printing time interval, the pre-ink-jet step before the printing work can be omitted, the condition of ink waste is reduced, and the problem of ink accumulation in a designated area is also solved.
The invention also discloses an ink-jet printer applying the printing method of the ink-jet printer.
Drawings
Fig. 1 is a comparative view of images printed without and with the printing method of the inkjet printer in an embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the embodiments of the drawings.
The nozzle head of an inkjet printer typically has a plurality of nozzles, which may be the same color nozzles or different colors nozzles.
In the printing method of the inkjet printer in this embodiment, when performing a printing job, if only a part of nozzles in the head are required to perform the inkjet job, the part of nozzles perform the printing job of the main image, and the rest of the unnecessary nozzles are controlled to perform the inkjet job at a small flow rate.
Specifically, the method for controlling the non-required nozzle to perform the inkjet operation at a small flow rate in this embodiment is as follows: to form an image with a ratio of a% to the main image area by jetting on the printed main image, wherein a is more than 0 and less than or equal to 5. The background color of the white paper can be decomposed into a plurality of colors, the concentration ratio of each color is a value which is extremely small, if a small flow image is added on the white paper, the background color of the white paper has little effect on the concentration of the background color, for example, through test, when a cyan image with the 5 percent of the duty ratio data is sprayed on the white paper, the concentration difference between the color concentration of the image and the background color of the white is only 0.0022, and the whole concentration of the printed image is basically not affected.
In this embodiment, the duty ratio data a% is preferably 3%.
As shown in fig. 1, a comparative image is printed without using and using the printing method of the inkjet printer. Wherein the left side is an image that is not printed using the printing method of the inkjet printer and the right side is an image that is printed using the printing method of the inkjet printer. It follows that the printing method of the ink jet printer has no effect on the overall density of the printed image.
In particular, according to the resolution of the printer and the number of ink drops required by the unit area of the unnecessary nozzles converted from the ratio data a%, the alternate ink-jet action of the unnecessary nozzles is controlled by a random function, so that all the ink drops of the unnecessary nozzles are dispersed and uniformly distributed on the main image. For a printer having a resolution of 600dpi, 360000 ink droplets can be ejected over an area of 1 inch, and 7200 ink droplets are corresponding to 2% of the data, so that 7200 ink droplets can be distributed to each unnecessary nozzle by a random function, so that the main image is uniformly ejected on the main image when the main image is printed, and the positions of the ejection of each nozzle on the main image are dispersed.
In addition, in order to more accurately control each nozzle to perform spraying operation, the condition that ink is dried at each spray head is avoided. And respectively timing the time after the ink is ejected from each nozzle in the spray head, and controlling the nozzle to eject ink when the time after the ink is ejected from the nozzle reaches a preset threshold time. If the drying time of the ink at the nozzle position is about 2min, the threshold value can be set to be 1.6min, and when the time after the ink jet of one nozzle is finished reaches 1.6min, the nozzle is controlled to restart to perform the low-flow jet. The timing control of each nozzle may be used in a print job or after the print job is completed. When this nozzle control method is used in a print job, control is mainly performed for each unnecessary nozzle. The method for controlling the nozzles is used after the printing operation is finished, and all the nozzles are controlled, so that when the printing operation is not performed, the nozzles are controlled to spray at a small flow rate according to a set threshold time interval, and then spray in a designated area, the spraying amount of ink is small, and particularly for printers with short printing operation time interval, the waste amount of ink is very limited, and the smoothness of the nozzles can be continuously maintained.
The printing method of the ink-jet printer controls the non-needed nozzles to perform ink-jet operation at a small flow rate when performing the printing operation, the images sprayed by the non-needed nozzles do not influence the display concentration of the printed main image, even the concentration of the main image can be enhanced, and meanwhile, the condition that the ink at the non-needed nozzles is dried can be effectively avoided, so that the problems of nozzle blockage and jet direction deviation are solved. In addition, for the printing work with a short printing time interval, the pre-ink-jet step before the printing work can be omitted, the condition of ink waste is reduced, and the problem of ink accumulation in a designated area is also solved.
In addition, the embodiment also discloses an ink-jet printer for realizing the printing method. The printing device comprises a control chip, wherein the control chip comprises a processor and a memory storing a control program, and the control program is executed by the processor to realize the printing method.
Claims (4)
1. A printing method of an inkjet printer, a head of the inkjet printer having a plurality of nozzles, characterized in that: when the printing work is carried out, if only part of nozzles in the spray head are needed to carry out the ink-jet work, the rest of non-needed nozzles are controlled to carry out the ink-jet work at a small flow;
controlling the unnecessary nozzles to perform ink-jet operation at a small flow rate so as to jet and form an image with a ratio of a% relative to the area of the main image on the printed main image, wherein a is more than 0 and less than or equal to 5;
according to the resolution of the printer and the number of ink drops required by the unit area of the unnecessary nozzles converted by the duty ratio data a%, the alternate ink-jet action of the unnecessary nozzles is controlled by a random function, so that the ink drops of all the unnecessary nozzles are dispersed and uniformly distributed on the main image.
2. The printing method of an inkjet printer according to claim 1, wherein: the ratio of the image area formed by the inkjet operation of the unnecessary nozzle at a small flow rate to the main image area is 2% -3%.
3. An inkjet printer, characterized by: a printing method according to claim 1 or 2 can be implemented.
4. An inkjet printer according to claim 3 wherein: comprising a control chip comprising a processor and a memory storing a control program that is executed by the processor to implement the printing method according to claim 1 or 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111066970.8A CN113771519B (en) | 2021-09-13 | 2021-09-13 | Printing method of ink-jet printer and ink-jet printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111066970.8A CN113771519B (en) | 2021-09-13 | 2021-09-13 | Printing method of ink-jet printer and ink-jet printer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113771519A CN113771519A (en) | 2021-12-10 |
| CN113771519B true CN113771519B (en) | 2023-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111066970.8A Active CN113771519B (en) | 2021-09-13 | 2021-09-13 | Printing method of ink-jet printer and ink-jet printer |
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| Country | Link |
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| CN (1) | CN113771519B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0640042A (en) * | 1992-07-22 | 1994-02-15 | Canon Inc | Device and method for ink jet recording |
| JP2001026123A (en) * | 1999-07-15 | 2001-01-30 | Seiko Epson Corp | Ink jet recording device |
| CN101370663A (en) * | 2006-11-23 | 2009-02-18 | 株式会社理光 | Image forming device and printed matter |
| CN105829110A (en) * | 2013-12-26 | 2016-08-03 | 柯尼卡美能达株式会社 | Inkjet printing apparatus and control method therefor |
| CN107428162A (en) * | 2015-04-10 | 2017-12-01 | 昭和铝罐株式会社 | Printing equipment and tank body |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4869614B2 (en) * | 2005-03-28 | 2012-02-08 | 大日本スクリーン製造株式会社 | PRINT SYSTEM, CONTROLLER, PRINT JOB CREATION DEVICE, PRINT PROCESSING EXECUTION METHOD, AND PROGRAM |
-
2021
- 2021-09-13 CN CN202111066970.8A patent/CN113771519B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0640042A (en) * | 1992-07-22 | 1994-02-15 | Canon Inc | Device and method for ink jet recording |
| JP2001026123A (en) * | 1999-07-15 | 2001-01-30 | Seiko Epson Corp | Ink jet recording device |
| CN101370663A (en) * | 2006-11-23 | 2009-02-18 | 株式会社理光 | Image forming device and printed matter |
| CN105829110A (en) * | 2013-12-26 | 2016-08-03 | 柯尼卡美能达株式会社 | Inkjet printing apparatus and control method therefor |
| CN107428162A (en) * | 2015-04-10 | 2017-12-01 | 昭和铝罐株式会社 | Printing equipment and tank body |
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| Publication number | Publication date |
|---|---|
| CN113771519A (en) | 2021-12-10 |
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