CN112109445B - Ink-jet printing method, device, system and controller - Google Patents
Ink-jet printing method, device, system and controller Download PDFInfo
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- CN112109445B CN112109445B CN202010984859.6A CN202010984859A CN112109445B CN 112109445 B CN112109445 B CN 112109445B CN 202010984859 A CN202010984859 A CN 202010984859A CN 112109445 B CN112109445 B CN 112109445B
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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
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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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- Ink Jet (AREA)
Abstract
The invention relates to an ink-jet printing method, an ink-jet printing device, an ink-jet printing system and a controller, wherein the ink-jet printing method comprises the following steps: acquiring a printing control instruction; controlling the original spray head and the compensation spray head to perform printing operation according to the printing control instruction; wherein the print control instructions include: the snapshot proportion of the print is compensated. According to the ink-jet printing method, the compensation nozzle is added on the original printing system, so that the compensation printing of the original printing is realized, the probability of occurrence of the white line defect can be greatly reduced, the printing quality is improved, and the printing experience of a user is improved; in addition, the method is low in implementation cost and suitable for wide popularization.
Description
Technical Field
The invention relates to the technical field of ink-jet printing, in particular to an ink-jet printing method, device, system and controller.
Background
In the conventional ink jet printing technology, a printed image is formed by ejecting ink droplets continuously or intermittently in a paper feeding direction based on one or more rows of nozzles. At present, the diameter of a main stream jet orifice is generally 10-50 um, the diameter of the jet orifice is very small, and due to the fact that particles inside ink and particles outside the ink enter the jet nozzle or bubbles enter the jet nozzle, the jet nozzle can not jet ink normally, for example, the jet nozzle can not jet ink or jet obliquely. Once this occurs, the printed image may form a continuous white line or a line of lighter color in the paper feeding direction, which seriously affects the quality of the printed image. Such printing defects are particularly noticeable in low-resolution printing conditions, and even in high-resolution printing, such "white line" phenomenon is still visible, which seriously affects the user printing experience.
Disclosure of Invention
In view of the above, the present invention provides an inkjet printing method, apparatus, system and controller to overcome the disadvantages of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: an inkjet printing method comprising:
acquiring a printing control instruction;
controlling the original spray head and the compensation spray head to perform printing operation according to the printing control instruction;
wherein the print control instructions include: the snapshot proportion of the print is compensated.
Optionally, the print control instruction is generated according to data input by a user.
Optionally, the controlling the original nozzle and the compensation nozzle to perform the printing operation according to the printing control instruction specifically includes:
controlling the original spray head to print according to the original mode;
controlling the compensation nozzle to print according to the snapshot proportion of compensation printing while the original nozzle prints;
the compensation sprayer is completely the same as the original sprayer, and the ink drop point of the compensation sprayer nozzle is completely the same as the ink drop point of the original sprayer nozzle.
Optionally, the print control instruction further includes: the snapshot ratio of the original print.
Optionally, the controlling the original nozzle and the compensation nozzle to perform the printing operation according to the printing control instruction specifically includes:
controlling the original spray head to print according to the original dot proportion;
controlling the compensation nozzle to print according to the snapshot proportion of compensation printing while the original nozzle prints;
the compensation sprayer is completely the same as the original sprayer, the ink drop point of the compensation sprayer nozzle is completely the same as the ink drop point of the original sprayer nozzle or the ink drop point of the compensation sprayer nozzle is positioned at the drop point reserved by the drawing point of the original sprayer.
Optionally, the dot proportion of the compensation printing includes: the ratio of the points drawn in the direction of the spray head and/or the ratio of the points drawn in the direction of the paper feed.
Optionally, the value range of the snapshot proportion is as follows: 0 to 100 percent.
The present invention also provides a controller for performing the inkjet printing method of any one of the preceding claims.
The present invention also provides an inkjet printing apparatus comprising:
the instruction acquisition module is used for acquiring a printing control instruction;
the control module is used for controlling the original spray head and the compensation spray head to perform printing operation according to the printing control instruction;
wherein the print control instructions include: the snapshot proportion of the print is compensated.
Further, the present invention provides an ink jet printing system comprising: the device comprises an upper computer, a nozzle control board card, a printing nozzle and a compensation nozzle;
the upper computer is used for acquiring a printing control instruction and sending the printing control instruction to the nozzle control board card;
the nozzle control board card is used for simultaneously controlling the printing nozzle and the compensation nozzle to perform printing operation according to the printing control instruction.
By adopting the technical scheme, the ink-jet printing method comprises the following steps: acquiring a printing control instruction; controlling the original spray head and the compensation spray head to perform printing operation according to the printing control instruction; wherein the print control instructions include: the snapshot proportion of the print is compensated. According to the ink-jet printing method, the compensation nozzle is added on the original printing system, so that the compensation printing of the original printing is realized, the probability of occurrence of the white line defect can be greatly reduced, the printing quality is improved, and the printing experience of a user is improved; in addition, the method is low in implementation cost and suitable for wide popularization.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic block diagram of an inkjet printing system according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart of an embodiment of an inkjet printing method according to the present invention;
FIG. 3 is a schematic diagram of a prior art printing process using an original nozzle with a "white line" defect;
FIG. 4 is a schematic view of a print after compensation in the feed direction using a 50% snapshot ratio;
FIG. 5 is a schematic diagram of the effect of printing with 50% offset in both the jet direction and the paper feed direction;
FIG. 6 is a schematic flow chart of an inkjet printing method according to a second embodiment of the present invention;
FIG. 7 is a schematic diagram of an inkjet printing apparatus according to an embodiment of the present invention.
In the figure: 1. an instruction acquisition module; 2. a control module; 3. an upper computer; 4. a nozzle control board card; 5. printing a spray head; 6. and (5) compensating the spray head.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
FIG. 1 is a schematic block diagram of an inkjet printing system according to an embodiment of the present invention.
As shown in fig. 1, an inkjet printing system according to the present embodiment includes:
the device comprises an upper computer 3, a nozzle control board card 4, a printing nozzle 5 and a compensation nozzle 6;
the upper computer 3 is used for acquiring a printing control instruction and sending the printing control instruction to the nozzle control board card 4;
and the nozzle control board card 4 is used for simultaneously controlling the printing nozzle 5 and the compensation nozzle 6 to perform printing operation according to the printing control instruction.
In the printing system of this embodiment, one or more nozzles (i.e., compensation nozzles 6) identical to the original printing nozzles 5 are added to the original printing system, and if necessary, one or more nozzle control boards 4 may be added to the original printing system, where the relationship between the nozzle control board 4 and the nozzles may be that one nozzle control board 4 controls one nozzle, or that one nozzle control board 4 controls multiple nozzles; fig. 1 illustrates an example in which one head control board 4 controls a plurality of heads (one original print head 5 and one compensation head 6); the compensation shower nozzle 6 is the same with original shower nozzle completely, and the ink droplet landing point of 6 nozzles of compensation shower nozzle can be identical completely with the ink droplet landing point of original shower nozzle, also can the ink droplet landing point of compensation shower nozzle arrives the landing point position that original shower nozzle snapshot was reserved, the image that compensation shower nozzle 6 printed and original shower nozzle printed may be identical completely, also may be incomplete the same, needs host computer 3 to issue control command to shower nozzle control integrated circuit board 4 according to user input's data, finally by shower nozzle control integrated circuit board 4 simultaneous control print shower nozzle 5 with compensation shower nozzle 6 prints the operation. The printing nozzle 5 is the original nozzle of the original printing system. The specific implementation method of the inkjet printing system described in this embodiment is described in the following method class examples.
According to the ink-jet printing system, the compensation nozzle 6 is added on the original printing system, and the compensation printing of the original printing is realized through the compensation nozzle 6, so that the probability of occurrence of the 'white line' defect can be greatly reduced, the printing quality is improved, and the printing experience of a user is improved; in addition, the method is low in implementation cost and suitable for wide popularization.
FIG. 2 is a schematic flow chart of an inkjet printing method according to an embodiment of the present invention.
As shown in fig. 2, the inkjet printing method according to the present embodiment includes:
s21: acquiring a printing control instruction;
the print control instructions include: the snapshot proportion of the print is compensated.
Further, the print control instruction is generated based on data input by a user. Before the user prints, can set up the snapshot proportion that the compensation was printed according to actual printing needs, and is further, the value range of snapshot proportion is: 0 to 100 percent.
S22: controlling the original spray head and the compensation spray head to perform printing operation according to the printing control instruction;
further, the controlling the original nozzle and the compensation nozzle to perform the printing operation according to the printing control instruction specifically includes:
controlling the original spray head to print according to the original mode;
controlling the compensation nozzle to print according to the snapshot proportion of compensation printing while the original nozzle prints;
the compensation sprayer is completely the same as the original sprayer, and the ink drop point of the compensation sprayer nozzle is completely the same as the ink drop point of the original sprayer nozzle.
In practical application of the printing method described in this embodiment, a user selects and sets a snapshot proportion of compensation printing according to actual printing needs, the upper computer generates a printing control instruction according to the user selection, the upper computer determines data to be printed according to the printing control instruction, and controls the printing nozzle 5 and the compensation nozzle 6 to print the data through the nozzle control board 4, in practice, the upper computer may also issue the generated printing control instruction to the nozzle control board 4, the nozzle control board 4 determines the data to be printed according to the instruction, and controls the printing nozzle 5 and the compensation nozzle 6 to print. The image data printed by the final compensation nozzle can be understood as the snapshot data of the original nozzle printing data, namely, 0% -100% of the snapshot points are taken in the paper feeding direction, and the specific number of the snapshot points can be selected according to the requirement.
Fig. 3 is a schematic diagram of printing in which a "white line" defect occurs when an original nozzle is used for printing in the prior art, and fig. 4 is a schematic diagram of printing after compensation is performed in a paper feeding direction by using a 50% snapshot ratio. By adopting the printing method of the embodiment, after the dot extraction proportion in the paper feeding direction is selected to be 50%, the upper computer controls the original nozzles to print a normal image and simultaneously sends data to be compensated and printed to the compensation nozzle(s), taking 50% compensation in the embodiment as an example, the compensation nozzles print the data printed by the original nozzles on the line at one dot interval according to the paper feeding direction, if a white line appears, the compensation nozzle nozzles are normal, and the compensation nozzle nozzles print images at the position at one dot interval in a logic manner, so that an effect similar to a dot line is formed, and a result of reducing the white line or eliminating the white line is achieved; if the dot proportion of the compensation printing is selected to be 100%, the compensation printing is equivalent to the data which is normally printed by the original nozzle and is re-printed by the compensation nozzle, namely the printing system prints the data twice, so that the white line defect is eliminated. In order to ensure the final printing quality, the printing method of the embodiment allows the user to select and set the snapshot proportion within the range of 0% -100% according to the needs of the user.
Further, the compensation of the snapshot ratio of the printing includes: the ratio of the points drawn in the direction of the spray head and/or the ratio of the points drawn in the direction of the paper feed.
In fig. 4, the nozzle of the compensation nozzle in the nozzle direction completely copies the print data of the original nozzle of the compensation nozzle, and no snapshot is taken. The technical scheme also supports the snapshot printing in the nozzle direction of the compensation nozzle, the snapshot proportion in the nozzle direction is 0% -100%, and the method in fig. 4 can be regarded as the situation that the snapshot proportion in the nozzle direction is 100% and the snapshot proportion in the paper feeding direction is 50%. Fig. 5 is a schematic diagram showing the effect of printing with 50% offset in both the head direction and the paper feed direction.
FIG. 6 is a schematic flow chart of an inkjet printing method according to a second embodiment of the present invention.
As shown in fig. 6, an inkjet printing method according to the present embodiment includes:
s61: acquiring a printing control instruction; wherein the print control instructions include: and compensating the snapshot proportion of printing and the snapshot proportion of the original printing.
Further, the print control instruction is generated based on data input by a user. Before the user prints, can set up the snapshot proportion that the compensation was printed and the snapshot proportion of original printing according to actual printing needs, and is further, the value range of snapshot proportion is: 0 to 100 percent.
S62: controlling the original spray head to print according to the original dot proportion;
s63: controlling the compensation nozzle to print according to the snapshot proportion of compensation printing while the original nozzle prints;
the compensation sprayer is completely the same as the original sprayer, the ink drop point of the compensation sprayer nozzle is completely the same as the ink drop point of the original sprayer nozzle or the ink drop point of the compensation sprayer nozzle is positioned at the drop point reserved by the drawing point of the original sprayer.
Further, the compensation of the snapshot ratio of the printing includes: the ratio of the points drawn in the direction of the spray head and/or the ratio of the points drawn in the direction of the paper feed.
The printing method described in this embodiment is similar to the printing method described in the first embodiment, and the difference is that: in the first embodiment, a user only needs to set the printing mode of the compensation nozzle, and the printing mode of the original nozzle is printed according to the original mode of the system, that is, the user does not need to set the printing mode of the original nozzle; in the printing method described in this embodiment, the user can set the snapshot proportion of the compensation printing and the snapshot proportion of the original printing according to actual needs. The optimal technical scheme is that the compensation printing snapshot proportion and the original printing snapshot proportion respectively account for 50%, and the ink drop of the compensation nozzle drops to the drop position reserved for the original nozzle snapshot.
It should be noted that the ink jet printing method of the present invention is applicable to a monochrome mode, a multicolor mode and a color mode, that is, no matter a monochrome image, a multicolor image or a color image is printed, the printing method of the present invention can be used to improve the printing quality. For the value of the snapshot proportion, a user can select the snapshot proportion according to specific conditions, and acceptable ink quantity and quality level are realized.
The ink-jet printing method can perform compensation in the paper feeding direction and the spray head direction independently or simultaneously, wherein the dot extraction compensation effect is better along the paper feeding direction.
According to the ink-jet printing method, the compensation nozzle is added on the original printing system, so that the compensation printing of the original printing is realized, the probability of the occurrence of the white line defect can be greatly reduced, and a user can adjust the printing effect as required and control the printing quality, so that the printing experience of the user is improved.
The present invention also provides an embodiment of a controller for performing the inkjet printing method described in fig. 2 or 6.
FIG. 7 is a schematic diagram of an inkjet printing apparatus according to an embodiment of the present invention.
As shown in fig. 7, an inkjet printing apparatus according to the present embodiment includes:
the instruction acquisition module 1 is used for acquiring a printing control instruction;
the control module 2 is used for controlling the original spray head and the compensation spray head to perform printing operation according to the printing control instruction;
wherein the print control instructions include: the snapshot proportion of the print is compensated.
The working principle of the inkjet printing apparatus according to this embodiment is the same as that of the inkjet printing method according to any of the above embodiments, and will not be described herein again.
The ink-jet printing device realizes the compensation printing of the original printing by adding the compensation nozzle on the original printing system, the method can greatly reduce the probability of the occurrence of the 'white line' defect, and a user can adjust the printing effect as required to control the printing quality, thereby improving the printing experience of the user.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
It should be noted that the terms "first," "second," and the like in the description of the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Further, in the description of the present invention, the meaning of "a plurality" means at least two unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present invention may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (6)
1. A method of inkjet printing, comprising:
acquiring a printing control instruction;
controlling the original spray head and the compensation spray head to perform printing operation according to the printing control instruction;
wherein the print control instructions include: compensating the dot proportion of printing, wherein the value of the dot proportion is as follows: 50 percent;
the print control instructions further comprise: the snapshot proportion of the original printing;
according to print control command control original shower nozzle and compensation shower nozzle and print the operation, specifically include:
controlling the original spray head to print according to the original dot proportion;
controlling the compensation nozzle to print according to the snapshot proportion of compensation printing while the original nozzle prints;
the compensation sprayer is completely the same as the original sprayer, the ink drop point of the compensation sprayer nozzle is completely the same as the ink drop point of the original sprayer nozzle or the ink drop point of the compensation sprayer nozzle is positioned at the drop point reserved by the drawing point of the original sprayer.
2. The inkjet printing method of claim 1, wherein the print control command is generated from data input by a user.
3. Inkjet printing method according to any of claims 1 to 2, wherein said compensating for the snapshot proportion of the printing comprises: the ratio of the points drawn in the direction of the spray head and/or the ratio of the points drawn in the direction of the paper feed.
4. A controller for performing the inkjet printing method according to any one of claims 1 to 3.
5. An inkjet printing apparatus, comprising:
the instruction acquisition module is used for acquiring a printing control instruction;
the control module is used for controlling the original spray head and the compensation spray head to perform printing operation according to the printing control instruction;
wherein the print control instructions include: the snapshot proportion of compensation printing and the snapshot proportion of original printing, the value of the snapshot proportion of compensation printing is: 50 percent;
according to print control command control original shower nozzle and compensation shower nozzle and print the operation, specifically include:
controlling the original spray head to print according to the original dot proportion;
controlling the compensation nozzle to print according to the snapshot proportion of compensation printing while the original nozzle prints;
the compensation sprayer is completely the same as the original sprayer, the ink drop point of the compensation sprayer nozzle is completely the same as the ink drop point of the original sprayer nozzle or the ink drop point of the compensation sprayer nozzle is positioned at the drop point reserved by the drawing point of the original sprayer.
6. An inkjet printing system for performing the inkjet printing method of any one of claims 1 to 3, comprising: the device comprises an upper computer, a nozzle control board card, a printing nozzle and a compensation nozzle;
the upper computer is used for acquiring a printing control instruction and sending the printing control instruction to the nozzle control board card;
the nozzle control board card is used for simultaneously controlling the printing nozzle and the compensation nozzle to perform printing operation according to the printing control instruction.
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| JPS63125351A (en) * | 1986-11-14 | 1988-05-28 | Fujitsu Ltd | Printing system of printer |
| CN1176809C (en) * | 1998-04-16 | 2004-11-24 | 阿尔卑斯电气株式会社 | Image recording method |
| JP4164305B2 (en) * | 2002-07-24 | 2008-10-15 | キヤノン株式会社 | Inkjet recording method and inkjet recording apparatus |
| JP5615380B2 (en) * | 2010-11-17 | 2014-10-29 | 株式会社ミマキエンジニアリング | Inkjet printer |
| JP6443115B2 (en) * | 2015-02-20 | 2018-12-26 | ブラザー工業株式会社 | Control device and computer program |
| CN105216450B (en) * | 2015-10-19 | 2017-11-10 | 深圳市汉拓数码有限公司 | The coating color mixing printing equipment and its Method of printing of a kind of high coverage rate |
| CN108556483B (en) * | 2018-01-17 | 2019-08-09 | 森大（深圳）技术有限公司 | Modify method, apparatus, equipment and the medium of pre-press data compensation abnormal nozzle |
| CN109203696A (en) * | 2018-08-16 | 2019-01-15 | 北京美科艺数码科技发展有限公司 | A kind of inkjet-printing device and Method of printing |
| CN110202933B (en) * | 2019-06-20 | 2021-01-01 | 森大（深圳）技术有限公司 | Method, device, equipment and medium for adjusting ink output to compensate abnormal nozzle |
| CN111391503A (en) * | 2020-03-19 | 2020-07-10 | 天津长荣数码科技有限公司 | High-speed vision positioning system based on FPGA |
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