CN110843367A - Printing control method, device, equipment, medium and printer for double-sided image - Google Patents

Printing control method, device, equipment, medium and printer for double-sided image Download PDF

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Publication number
CN110843367A
CN110843367A CN201910995694.XA CN201910995694A CN110843367A CN 110843367 A CN110843367 A CN 110843367A CN 201910995694 A CN201910995694 A CN 201910995694A CN 110843367 A CN110843367 A CN 110843367A
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China
Prior art keywords
ink
nozzle
printing
covering
height
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Granted
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CN201910995694.XA
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Chinese (zh)
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CN110843367B (en
Inventor
苏树波
黄中琨
陈艳
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Sen Da (shenzhen) Technology Co Ltd
Senda Shenzhen Technology Co Ltd
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Sen Da (shenzhen) Technology Co Ltd
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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
    • B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/60—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for printing on both faces of the printing material
    • 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
    • B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
    • B41J29/38—Drives, motors, controls or automatic cut-off devices for the entire printing mechanism
    • 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
    • B41J2/21—Ink jet for multi-colour printing
    • B41J2/2107—Ink jet for multi-colour printing characterised by the ink properties
    • 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
    • B41J2/21—Ink jet for multi-colour printing
    • B41J2/2107—Ink jet for multi-colour printing characterised by the ink properties
    • B41J2/2114—Ejecting transparent or white coloured liquids, e.g. processing liquids
    • B41J2/2117—Ejecting white liquids
    • 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
    • B41J2/21—Ink jet for multi-colour printing
    • B41J2/2132—Print quality control characterised by dot disposition, e.g. for reducing white stripes or banding
    • 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
    • B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
    • 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
    • B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/44—Typewriters or selective printing mechanisms having dual functions or combined with, or coupled to, apparatus performing other functions
    • B41J3/445—Printers integrated in other types of apparatus, e.g. printers integrated in cameras
    • 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
    • B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/54—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed with two or more sets of type or printing elements
    • B41J3/543—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed with two or more sets of type or printing elements with multiple inkjet print heads
    • 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
    • B41M5/0041—Digital printing on surfaces other than ordinary paper
    • B41M5/0047—Digital printing on surfaces other than ordinary paper by ink-jet printing

Abstract

The invention discloses a printing control method, a printing control device, printing control equipment, printing control media and a printer for double-sided images. The method comprises the steps of obtaining the number M of covering layers to be printed of an image to be printed, wherein M is not less than 3 and is an integer; acquiring a nozzle area for printing each ink and the nozzle height of the nozzle area according to the covering layer number; acquiring printing data corresponding to each ink scanned by the nozzle along the main scanning direction each time according to the height of the nozzle; controlling nozzles corresponding to the nozzle areas to perform ink jet printing on a printing medium according to the printing data; the ink comprises white ink and one or more of cyan ink, magenta ink, yellow ink and black ink, and the printing medium is a transparent medium or a semitransparent medium. The invention not only realizes the printing of double-sided images, but also saves the space for installing the spray heads in a staggered way, improves the utilization rate of the spray heads and reduces the printing cost.

Description

Printing control method, device, equipment, medium and printer for double-sided image
Technical Field
The invention relates to the technical field of ink-jet printing, in particular to a printing control method, a printing control device, printing control equipment, a printing control medium and a printing machine for double-sided images.
Background
The ink jet printing apparatus has a good printing effect and a flexible paper processing capability, and thus, the ink jet printing apparatus has certain advantages in selecting a printing medium, for example, it can print not only a general medium such as letter paper, but also various transparent media such as acrylic plate and glass, and thus, it is widely used.
The printing of the image can be seen on one side only and can be seen on both sides on the transparent material or the semitransparent material, and the specific method is to add a white ink layer into two color images for separation, so that the two images are prevented from being influenced with each other. As shown in fig. 1, the prior art printing method for the above-mentioned image visible on both sides is: the plurality of nozzles 110 are installed in 3 rows, and the 1 st row is responsible for printing the reverse data of the image, the 2 nd row is responsible for printing the white ink, and the 3 rd row is responsible for printing the front data of the image. The method has the advantages that the spray heads need to be staggered for installation, and the installation space is large, so that the size of the printer is relatively large; furthermore, for special situations of cambered surface printing such as beer bottles, socks and the like, the number of nozzles which are actually involved in spraying by the spray head is relatively small, and if a plurality of rows of spray heads are adopted for printing, the spray heads are seriously wasted. As shown in fig. 2, a new nozzle installation method is proposed to overcome the drawbacks of the prior art, in which a plurality of nozzles are installed side by side in the main scanning X direction, which not only saves space but also improves the utilization rate of nozzles in the nozzles, but a problem to be solved is how to control printing for the nozzles arranged side by side to achieve that images can be seen on both sides.
Disclosure of Invention
The embodiment of the invention provides a printing control method, a printing control device, printing control equipment, a printing control medium and a printer for double-sided images, and aims to solve the problem that double-sided printing cannot be realized due to the fact that spray heads are arranged side by side in the prior art.
In a first aspect, an embodiment of the present invention provides a method for controlling printing of a duplex image, the method including:
acquiring the number M of covering layers to be printed of an image to be printed, wherein M is more than or equal to 3 and is an integer;
acquiring a nozzle area for printing each ink and the nozzle height of the nozzle area according to the covering layer number;
acquiring printing data corresponding to each ink scanned by the nozzle along the main scanning direction each time according to the height of the nozzle;
controlling nozzles corresponding to the nozzle areas to perform ink jet printing on a printing medium according to the printing data;
the ink comprises white ink and one or more of cyan ink, magenta ink, yellow ink and black ink, and the printing medium is a transparent medium or a semitransparent medium.
Preferably, the acquiring a nozzle area for printing each ink and a nozzle height of the nozzle area according to the number of the covering layers includes:
averagely dividing a spray head for printing each ink into N nozzle areas according to the number of the covering layers, wherein M is equal to N;
acquiring the height of each nozzle area in the secondary scanning direction of the spray head;
wherein the nozzle height of each of the nozzle regions is equal.
Preferably, the image to be printed includes two color images and at least one white ink blocking layer, the two color images are respectively located at two sides of the white ink blocking layer, a first color image of the two color images is covered on the printing medium, the first color image can be observed through the printing medium, and a second color image of the two color images is covered on the white ink blocking layer and is opposite to the first color image.
Preferably, when M ═ 3, the cover layer includes: the ink set comprises a first covering layer, a second covering layer and a third covering layer, wherein the first covering layer and the third covering layer are formed by covering cyan ink, magenta ink, yellow ink and black ink in a combined mode, and the second covering layer is formed by covering white ink.
Preferably, the acquiring, according to the nozzle height, print data corresponding to each ink scanned by the inkjet head in the main scanning direction each time includes:
dividing a spray head for printing each ink into 3 nozzle areas on average according to the number of the covering layers, and recording the nozzle areas as a first nozzle area, a second nozzle area and a third nozzle area;
acquiring printing data corresponding to the cyan ink, the magenta ink, the yellow ink and the black ink according to the height of the nozzle in the first nozzle area;
acquiring printing data corresponding to the white ink according to the nozzle height of the second nozzle area;
and acquiring printing data corresponding to the cyan ink, the magenta ink, the yellow ink and the black ink according to the height of the nozzle in the third nozzle area.
Preferably, when M is 5, the cover layers include a first cover layer, a second cover layer, a third cover layer, a fourth cover layer, and a fifth cover layer, the first cover layer and the fifth cover layer are formed by covering a combination of cyan ink, magenta ink, yellow ink, and black ink, the second cover layer and the fourth cover layer are formed by covering white ink, and the third cover layer is formed by covering a combination of black ink.
Preferably, the acquiring, according to the nozzle height, print data corresponding to each ink scanned by the inkjet head in the main scanning direction each time includes:
dividing a spray head for printing each ink into 5 nozzle areas on average according to the number of the covering layers, and recording the nozzle areas as a first nozzle area, a second nozzle area, a third nozzle area, a fourth nozzle area and a fifth nozzle area;
acquiring printing data corresponding to the cyan ink, the magenta ink, the yellow ink and the black ink according to the height of the nozzle in the first nozzle area;
acquiring printing data corresponding to the white ink according to the nozzle height of the second nozzle area;
acquiring printing data corresponding to the black ink according to the nozzle height of the third nozzle area;
acquiring printing data corresponding to the white ink according to the nozzle height of the fourth nozzle area;
and acquiring printing data corresponding to the cyan ink, the magenta ink, the yellow ink and the black ink according to the height of the nozzle in the fifth nozzle area.
Preferably, the ink further comprises a varnish ink, and when M is 4, the cover layer comprises: the ink-jet printing ink comprises a first covering layer, a second covering layer, a third covering layer and a fourth covering layer, wherein the first covering layer and the third covering layer are formed by covering cyan ink, magenta ink, yellow ink and black ink in a combined mode, the second covering layer is formed by covering white ink, and the fourth covering layer is formed by covering gloss oil ink.
In a second aspect, an embodiment of the present invention provides a print control apparatus for duplex images, the apparatus including:
the module for acquiring the number of the covering layers is used for acquiring the number M of the covering layers to be printed of the image to be printed, wherein M is more than or equal to 3 and is an integer;
the nozzle area and height acquisition module is used for acquiring a nozzle area for printing each type of ink and the nozzle height of the nozzle area according to the number of the covering layers;
the printing data acquisition module is used for acquiring printing data corresponding to each ink scanned by the spray head along the main scanning direction once according to the height of the nozzle;
the ink jet printing module is used for controlling the nozzles corresponding to the nozzle areas to perform ink jet printing on a printing medium according to the printing data;
the ink comprises white ink and one or more of cyan ink, magenta ink, yellow ink and black ink, and the printing medium is a transparent medium or a semitransparent medium.
In a third aspect, an embodiment of the present invention provides a print control apparatus for duplex images, including: at least one processor, at least one memory, and computer program instructions stored in the memory, which when executed by the processor, implement the method of the first aspect of the embodiments described above.
In a fourth aspect, embodiments of the present invention provide a medium, on which computer program instructions are stored, which when executed by a processor implement the method of the first aspect in the above embodiments.
In a fifth aspect, an embodiment of the present invention provides a printer, including:
the ink jet head unit is used for jetting cyan ink, magenta ink, yellow ink, black ink and white ink, each ink corresponds to at least one ink jet head, and all the ink jet heads are arranged in parallel along the main scanning direction;
and a print control device for controlling the nozzle to perform inkjet printing, wherein the print control device is the control device according to the second aspect.
In summary, according to the printing control method, the printing control device, the printing control apparatus, the printing control medium, and the printing machine for the duplex image provided in the embodiments of the present invention, the method includes obtaining the number of coverage layers to be printed for the image to be printed, dividing each nozzle in parallel into a plurality of areas, further determining the specific nozzle area and nozzle height for printing the ink in the nozzle according to the ink printed by each nozzle, and then obtaining the print data corresponding to each ink according to the nozzle height to the nozzle in the corresponding nozzle area for inkjet printing, thereby implementing the printing of the duplex image of the nozzles in the same row.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a prior art showerhead arrangement.
Fig. 2 is a schematic diagram of a nozzle arrangement according to an embodiment of the invention.
Fig. 3 is a schematic diagram of shuttle scan printing.
Fig. 4 is a flowchart of a print control method of a duplex image according to the first embodiment of the present invention.
Fig. 5 is a schematic diagram of a double-sided image structure according to the first embodiment of the present invention.
Fig. 6 is a schematic view of head division of the print control method of a duplex image according to the first embodiment of the present invention.
Fig. 7 is a print data correspondence diagram of the print control method of the duplex image according to the first embodiment of the present invention.
Fig. 8 is another print data correspondence diagram of the print control method of the duplex image according to the first embodiment of the present invention.
Fig. 9 is a flowchart of a print control method of a duplex image according to a second embodiment of the present invention.
Fig. 10 is a flowchart of a print control method of a duplex image according to a third embodiment of the present invention.
Fig. 11 is a schematic configuration diagram of a duplex image printing control apparatus according to a fourth embodiment of the present invention.
Fig. 12 is a schematic configuration diagram of a duplex image printing control apparatus according to a fifth embodiment of the present invention.
Detailed Description
Features and exemplary embodiments of various aspects of the present invention will be described in detail below, and in order to make objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It will be apparent to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the present invention by illustrating examples of the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The ink jet printing technology is a technology of jetting ink droplets to a printing medium through nozzles on a nozzle to obtain images or characters, and mainly comprises reciprocating scanning printing, wherein the reciprocating scanning printing is that a nozzle unit scans once in a horizontal direction, then moves for a certain distance in a vertical direction to reach a next printing area, then scans once in the horizontal direction, and the steps are repeated until the printing is finished. Referring to fig. 3 for 2Pass scanning printing, after the head unit 100 scans once in the main scanning direction X, the head unit 100 moves by half the nozzle height of the head unit 100 in the sub-scanning direction Y to reach the next printing region, and then scans once in the main scanning direction X, and so on.
Referring to fig. 4, an embodiment of the present invention provides a method for controlling printing of a duplex image, where the method specifically includes the following steps:
s1, acquiring the number M of covering layers to be printed of the image to be printed, wherein M is more than or equal to 3, and N is an integer;
specifically, the image to be printed comprises two color images and at least one white ink partition layer, the two color images are respectively positioned at two sides of the white ink partition layer, a first color image of the two color images is covered on the printing medium, the first color image can be observed through the printing medium, a second color image of the two color images is covered on the white ink partition layer and is opposite to the first color image, and the second color image can be directly observed, wherein the color image is formed by printing one or more of cyan ink, magenta ink, yellow ink and black ink.
Referring to fig. 5, in this embodiment, only the transparent medium T is printed with a product with images observed on both sides, and at this time, the number of the covering layers is 3, and the first covering layer L is a first covering layer L1Printing a first color image, a second cover layer L2Printing a second color image by printing the blocking ink and the third covering layer L3, wherein the first color image needs to be observed through a transparent medium, and the second color image can be directly observed; in another embodiment, in order to increase the glossiness of the printed image and avoid the abrasion of the printed image, a protective layer varnish is required to be printed on the printed image, at this time, the number of the printing covering layers is 4, the first covering layer prints a first color image, the second covering layer prints blocking ink, the third covering layer prints a second color image, and the fourth covering layer prints varnish, so that the exposed second color image can be protected by the varnish, the abrasion of the second color image is avoided, and the glossiness of the second color image is also increased; in another embodiment, only one white ink partition is used to make the color expression worse due to the higher color image density, and another black ink partition needs to be added to the white ink layer, at this time, the number of the printing covering layers is 5, and the first covering layer prints the first color image, the second covering layer prints the white ink partition, the third covering layer prints the black ink partition, the fourth covering layer prints the white ink partition, and the fifth covering layer prints the second color image. When the first color image is printed, mirror image processing is required to ensure that an image seen through a printing medium is a front image, and meanwhile, the first color image and the second color image can be the same or different and are determined according to printing requirements.
S2, acquiring a nozzle area for printing each ink and the nozzle height of the nozzle area according to the covering layer number;
specifically, the nozzle for printing each ink is averagely divided into N nozzle regions according to the number of the covering layers, the number of the nozzle regions is equal to the number of the covering layers, and the height of the nozzle in the sub-scanning direction of each nozzle region is equal, as shown in fig. 6, one nozzle Q1 includes 10 nozzles J, each nozzle is arranged in the sub-scanning direction Y once and is not overlapped, the whole height of the nozzle is measured by the number of the nozzles arranged in the sub-scanning direction Y, that is, the height of the nozzle is 10 nozzles, the nozzle is averagely divided into 2 nozzle regions, that is, the nozzle region R1 and the nozzle region R2, and the height of the nozzle of each nozzle region is 5 nozzles J, so that the image height of each covering printing in the sub-scanning direction Y is equal, and the requirement of printing alignment is ensured.
Referring to fig. 7, in the present embodiment, the number of the covering layers is 3, which are respectively marked as a first covering layer, a second covering layer, and a third covering layer, the nozzles have 5 nozzles for ejecting cyan ink C, magenta ink M, yellow ink Y, black ink K, and white ink W, each of the nozzles is equally divided into 3 regions according to the number of the covering layers, which are respectively marked as a first nozzle region 210a, a second nozzle region 220a, and a third nozzle region 230a, the first covering layer performs inkjet printing by the first nozzle region 210a of the nozzle ejecting cyan ink C, magenta ink M, yellow ink Y, and black ink K, the second covering layer performs inkjet printing by the second nozzle region 220a of the nozzle ejecting white ink W, and the third covering layer performs inkjet printing by the third nozzle region 230a of the nozzle ejecting cyan ink C, magenta ink M, yellow ink Y, and black ink K, and the second nozzle region 220a, which ejects the cyan ink C, the magenta ink M, the yellow ink Y, and the black ink K in the present embodiment, does not eject ink during printing, and the first nozzle region 210a and the second nozzle region 220a, which ejects the white ink W, do not eject ink during printing.
Referring to fig. 8, in the present embodiment, the number of the covering layers is 5, which are respectively marked as a first covering layer, a second covering layer, a third covering layer, a fourth covering layer, and a fifth covering layer, the nozzles also have 5 areas for ejecting cyan ink C, magenta ink M, yellow ink Y, black ink K, and white ink W, each of the nozzles is equally divided into 5 areas according to the number of the covering layers, which are respectively marked as a first nozzle area 210b, a second nozzle area 220b, a third nozzle area 230b, a fourth nozzle area 240b, and a fifth nozzle area 250b, the first covering layer is formed by performing inkjet printing on the first nozzle area 210b of the nozzle ejecting cyan ink C, magenta ink M, yellow ink Y, and black ink K, the second covering layer is formed by performing inkjet printing on the second nozzle area 220b of the nozzle ejecting white ink W, the third cover layer is ink-jet printed by the third nozzle area 230b of the head ejecting black ink K, the fourth cover layer is ink-jet printed by the fourth nozzle area 240b of the head ejecting white ink W, the fifth cover layer is ink-jet printed by the fifth nozzle area 250b of the head ejecting cyan ink C, magenta ink M, yellow ink Y, black ink K, and in this embodiment, the second nozzle area 220b, the third nozzle area 230b, and the fourth nozzle area 240b of the head ejecting cyan ink C, magenta ink M, yellow ink Y do not eject ink during printing, the second nozzle area 220b, and the fourth nozzle area 240b of the head ejecting black ink K do not eject ink during printing, and the first nozzle area 210b, the third nozzle area 230b, and the fourth nozzle area 240b of the head ejecting white ink W do not eject ink during printing, The fifth nozzle region 250b does not eject ink during printing.
S3, acquiring printing data corresponding to each ink scanned by the nozzle along the main scanning direction each time according to the height of the nozzle;
specifically, if the number of the covering layers is 3 as shown in fig. 7, the height of the head unit in the sub-scanning direction is equally divided into 3 parts, and the height of each part is 1/3 of the height of the entire head unit, the specific print data obtaining method refers to fig. 9:
s311, acquiring printing data corresponding to the cyan ink, the magenta ink, the yellow ink and the black ink according to the nozzle height of the first nozzle area;
s312, acquiring printing data corresponding to the white ink according to the nozzle height of the second nozzle area;
and S313, extracting the printing data corresponding to the cyan ink, the magenta ink, the yellow ink and the black ink according to the height of the nozzle in the third nozzle area.
As shown in fig. 8, if the number of the covering layers is 5, the height of the head unit in the sub-scanning direction is divided into 5 parts on average, and the height of each part is 1/5 of the height of the entire head unit, the specific print data obtaining method refers to fig. 10:
s321, acquiring printing data corresponding to the cyan ink, the magenta ink, the yellow ink and the black ink according to the nozzle height of the first nozzle area;
s322, extracting printing data corresponding to the white ink to a second nozzle area of a sprayer for printing the white ink according to the height of the nozzle in the second nozzle area to perform ink jet printing;
s323, extracting printing data corresponding to the black ink according to the nozzle height of the third nozzle area;
s324, extracting printing data corresponding to the white ink according to the nozzle height of the fourth nozzle area;
and S325, extracting printing data corresponding to the cyan ink, the magenta ink, the yellow ink and the black ink according to the height of the nozzle in the fifth nozzle area.
S4, controlling the nozzles corresponding to the nozzle areas to perform ink jet printing on the printing medium according to the printing data;
specifically, as shown in fig. 6, if the number of the covering layers is 3, the height of the head unit in the sub-scanning direction is equally divided into 3 parts, and the height of each part is 1/3 of the height of the whole head unit, the specific printing process is as follows:
extracting printing data corresponding to the cyan ink, the magenta ink, the yellow ink and the black ink from a first nozzle area of a nozzle for printing the cyan ink, the magenta ink, the yellow ink and the black ink according to the height of the nozzle of the first nozzle area to perform ink jet printing;
controlling the distance that the head unit moves the head height in the sub-scanning direction;
extracting printing data corresponding to the white ink according to the height of the spray head of the second nozzle area to a second nozzle area of the spray head for printing the white ink to perform ink-jet printing;
controlling the distance that the head unit moves the head height in the sub-scanning direction;
and extracting printing data corresponding to the cyan ink, the magenta ink, the yellow ink and the black ink to a third nozzle area of a nozzle for printing the cyan ink, the magenta ink, the yellow ink and the black ink according to the height of the nozzle of the third nozzle area to perform ink jet printing.
As shown in fig. 7, if the number of the covering layers is 5, the height of the head unit in the sub-scanning direction is divided into 5 parts on average, and the height of each part is 1/5 of the height of the entire head unit, the specific printing process is as follows:
extracting printing data corresponding to the cyan ink, the magenta ink, the yellow ink and the black ink from a first nozzle area of a nozzle for printing the cyan ink, the magenta ink, the yellow ink and the black ink according to the height of the nozzle of the first nozzle area to perform ink jet printing;
controlling the distance that the head unit moves the head height in the sub-scanning direction;
extracting printing data corresponding to the white ink according to the height of the spray head of the second nozzle area to a second nozzle area of the spray head for printing the white ink to perform ink-jet printing;
controlling the distance that the head unit moves the head height in the sub-scanning direction;
extracting printing data corresponding to the black ink to a third nozzle area of a nozzle for printing the black ink according to the height of the nozzle of the third nozzle area to perform ink jet printing;
controlling the distance that the head unit moves the head height in the sub-scanning direction;
extracting printing data corresponding to the white ink according to the height of the spray head of the fourth nozzle area to a fourth nozzle area of the spray head for printing the white ink to perform ink-jet printing;
controlling the distance that the head unit moves the head height in the sub-scanning direction;
and extracting printing data corresponding to the cyan ink, the magenta ink, the yellow ink and the black ink from a fifth nozzle area of a nozzle for printing the cyan ink, the magenta ink, the yellow ink and the black ink according to the height of the nozzle of the fifth nozzle area to perform ink jet printing.
Through the reciprocating scanning and printing cooperation, the printing of double-sided images is realized, the staggered installation space of the spray heads is saved, the utilization rate of the spray heads is improved, and the printing cost is reduced.
Referring to fig. 11, an embodiment of the present invention provides a duplex image printing control apparatus, including:
the module for acquiring the number of the covering layers 10 is used for acquiring the number M of the covering layers to be printed of the image to be printed, wherein M is more than or equal to 3 and is an integer;
a nozzle area and height acquiring module 20, configured to acquire a nozzle area for printing each ink and a nozzle height of the nozzle area according to the number of covering layers;
a print data obtaining module 30, configured to obtain, according to the nozzle height, print data corresponding to each ink scanned by the nozzle in the main scanning direction each time;
the ink jet printing module 40 is used for controlling the nozzles corresponding to the nozzle areas to perform ink jet printing on a printing medium according to the printing data;
the ink comprises white ink and one or more of cyan ink, magenta ink, yellow ink and black ink, and the printing medium is a transparent medium or a semitransparent medium.
Preferably, the nozzle region and height acquiring module 20 further includes:
a nozzle region acquisition unit, configured to averagely divide a nozzle for printing each type of ink into N nozzle regions according to the number of covering layers, where M is N;
a nozzle height acquiring unit configured to acquire a nozzle height of each of the nozzle regions in a head sub-scanning direction;
wherein the nozzle height of each of the nozzle regions is equal.
Preferably, the image to be printed includes two color images and at least one white ink blocking layer, the two color images are respectively located at two sides of the white ink blocking layer, a first color image of the two color images is covered on the printing medium, the first color image can be observed through the printing medium, and a second color image of the two color images is covered on the white ink blocking layer and is opposite to the first color image.
Preferably, when M ═ 3, the cover layer includes: the ink set comprises a first covering layer, a second covering layer and a third covering layer, wherein the first covering layer and the third covering layer are formed by covering cyan ink, magenta ink, yellow ink and black ink in a combined mode, and the second covering layer is formed by covering white ink.
Preferably, the print data acquiring module 30 further includes:
the area dividing unit is used for averagely dividing the spray head for printing each ink into 3 nozzle areas according to the covering layer number, and respectively recording the nozzle areas as a first nozzle area, a second nozzle area and a third nozzle area;
a first print data acquiring unit, configured to acquire print data corresponding to the cyan ink, the magenta ink, the yellow ink, and the black ink according to the nozzle height of the first nozzle region;
a second print data acquiring unit configured to acquire print data corresponding to the white ink according to the nozzle height of the second nozzle region;
and the third printing data acquisition unit is used for acquiring the printing data corresponding to the cyan ink, the magenta ink, the yellow ink and the black ink according to the nozzle height of the third nozzle area.
Preferably, when M is 5, the cover layers include a first cover layer, a second cover layer, a third cover layer, a fourth cover layer, and a fifth cover layer, the first cover layer and the fifth cover layer are formed by covering a combination of cyan ink, magenta ink, yellow ink, and black ink, the second cover layer and the fourth cover layer are formed by covering white ink, and the third cover layer is formed by covering a combination of black ink.
Preferably, the acquiring, according to the nozzle height, print data corresponding to each ink scanned by the inkjet head in the main scanning direction each time includes:
dividing a spray head for printing each ink into 5 nozzle areas on average according to the number of the covering layers, and recording the nozzle areas as a first nozzle area, a second nozzle area, a third nozzle area, a fourth nozzle area and a fifth nozzle area;
acquiring printing data corresponding to the cyan ink, the magenta ink, the yellow ink and the black ink according to the height of the nozzle in the first nozzle area;
acquiring printing data corresponding to the white ink according to the nozzle height of the second nozzle area;
acquiring printing data corresponding to the black ink according to the nozzle height of the third nozzle area;
acquiring printing data corresponding to the white ink according to the nozzle height of the fourth nozzle area;
and acquiring printing data corresponding to the cyan ink, the magenta ink, the yellow ink and the black ink according to the height of the nozzle in the fifth nozzle area.
Preferably, the ink further comprises a varnish ink, and when M is 4, the cover layer comprises: the ink-jet printing ink comprises a first covering layer, a second covering layer, a third covering layer and a fourth covering layer, wherein the first covering layer and the third covering layer are formed by covering cyan ink, magenta ink, yellow ink and black ink in a combined mode, the second covering layer is formed by covering white ink, and the fourth covering layer is formed by covering gloss oil ink.
In addition, the print control method of the duplex image of the embodiment of the present invention described in conjunction with fig. 4 can be realized by the print control apparatus of the duplex image. Fig. 12 is a schematic diagram showing a hardware configuration of a print control apparatus for duplex images according to an embodiment of the present invention.
The print control apparatus for duplex images may include a processor 401 and a memory 402 storing computer program instructions.
Specifically, the processor 401 may include a Central Processing Unit (CPU), or an Application Specific Integrated Circuit (ASIC), or may be configured as one or more Integrated circuits implementing embodiments of the present invention.
Memory 402 may include mass storage for data or instructions. By way of example, and not limitation, memory 402 may include a Hard Disk Drive (HDD), floppy Disk Drive, flash memory, optical Disk, magneto-optical Disk, tape, or Universal Serial Bus (USB) Drive or a combination of two or more of these. Memory 402 may include removable or non-removable (or fixed) media, where appropriate. The memory 402 may be internal or external to the data processing apparatus, where appropriate. In a particular embodiment, the memory 402 is a non-volatile solid-state memory. In a particular embodiment, the memory 402 includes Read Only Memory (ROM). Where appropriate, the ROM may be mask-programmed ROM, Programmable ROM (PROM), Erasable PROM (EPROM), Electrically Erasable PROM (EEPROM), electrically rewritable ROM (EAROM), or flash memory or a combination of two or more of these.
The processor 401 realizes the printing control method of the duplex image in any one of the above-described embodiments by reading and executing computer program instructions stored in the memory 402.
In one example, the print control apparatus of the duplex image may further include a communication interface 403 and a bus 410. As shown in fig. 12, the processor 401, the memory 402, and the communication interface 403 are connected by a bus 410 to complete communication therebetween.
The communication interface 403 is mainly used for implementing communication between modules, apparatuses, units and/or devices in the embodiments of the present invention.
The bus 410 includes hardware, software, or both that couple the components of the print control apparatus for duplex images to each other. By way of example, and not limitation, a bus may include an Accelerated Graphics Port (AGP) or other graphics bus, an Enhanced Industry Standard Architecture (EISA) bus, a Front Side Bus (FSB), a Hypertransport (HT) interconnect, an Industry Standard Architecture (ISA) bus, an infiniband interconnect, a Low Pin Count (LPC) bus, a memory bus, a Micro Channel Architecture (MCA) bus, a Peripheral Component Interconnect (PCI) bus, a PCI-Express (PCI-X) bus, a Serial Advanced Technology Attachment (SATA) bus, a video electronics standards association local (VLB) bus, or other suitable bus or a combination of two or more of these. Bus 410 may include one or more buses, where appropriate. Although specific buses have been described and shown in the embodiments of the invention, any suitable buses or interconnects are contemplated by the invention.
In addition, in combination with the print control method of the duplex image in the above embodiments, the embodiments of the present invention can be implemented by providing a computer-readable storage medium. The computer readable storage medium having stored thereon computer program instructions; the computer program instructions, when executed by a processor, implement a print control method for a duplex image in any of the above embodiments.
In summary, according to the printing control method, the printing control device, the printing control apparatus, the printing control medium, and the printing machine for the duplex image provided in the embodiments of the present invention, the method includes obtaining the number of coverage layers to be printed for the image to be printed, dividing each nozzle in parallel into a plurality of areas, further determining the specific nozzle area and nozzle height for printing the ink in the nozzle according to the ink printed by each nozzle, and then obtaining the print data corresponding to each ink according to the nozzle height to the nozzle in the corresponding nozzle area for inkjet printing, thereby implementing the printing of the duplex image of the nozzles in the same row.
It is to be understood that the invention is not limited to the specific arrangements and instrumentality described above and shown in the drawings. A detailed description of known methods is omitted herein for the sake of brevity. In the above embodiments, several specific steps are described and shown as examples. However, the method processes of the present invention are not limited to the specific steps described and illustrated, and those skilled in the art can make various changes, modifications and additions or change the order between the steps after comprehending the spirit of the present invention.
The functional blocks shown in the above-described structural block diagrams may be implemented as hardware, software, firmware, or a combination thereof. When implemented in hardware, it may be, for example, an electronic circuit, an Application Specific Integrated Circuit (ASIC), suitable firmware, plug-in, function card, or the like. When implemented in software, the elements of the invention are the programs or code segments used to perform the required tasks. The program or code segments may be stored in a machine-readable medium or transmitted by a data signal carried in a carrier wave over a transmission medium or a communication link. A "machine-readable medium" may include any medium that can store or transfer information. Examples of a machine-readable medium include electronic circuits, semiconductor memory devices, ROM, flash memory, Erasable ROM (EROM), floppy disks, CD-ROMs, optical disks, hard disks, fiber optic media, Radio Frequency (RF) links, and so forth. The code segments may be downloaded via computer networks such as the internet, intranet, etc.
It should also be noted that the exemplary embodiments mentioned in this patent describe some methods or systems based on a series of steps or devices. However, the present invention is not limited to the order of the above-described steps, that is, the steps may be performed in the order mentioned in the embodiments, may be performed in an order different from the order in the embodiments, or may be performed simultaneously.
As described above, only the specific embodiments of the present invention are provided, and it can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the system, the module and the unit described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again. It should be understood that the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive various equivalent modifications or substitutions within the technical scope of the present invention, and these modifications or substitutions should be covered within the scope of the present invention.

Claims (12)

1. A print control method of a duplex image, characterized by comprising:
acquiring the number M of covering layers to be printed of an image to be printed, wherein M is more than or equal to 3 and is an integer;
acquiring a nozzle area for printing each ink and the nozzle height of the nozzle area according to the covering layer number;
acquiring printing data corresponding to each ink scanned by the nozzle along the main scanning direction each time according to the height of the nozzle;
controlling nozzles corresponding to the nozzle areas to perform ink jet printing on a printing medium according to the printing data;
the ink comprises white ink and one or more of cyan ink, magenta ink, yellow ink and black ink, and the printing medium is a transparent medium or a semitransparent medium.
2. The method of controlling printing of a duplex image according to claim 1, wherein the acquiring of the nozzle area where each ink is printed and the nozzle height of the nozzle area in accordance with the number of coverage layers comprises:
averagely dividing a spray head for printing each ink into N nozzle areas according to the number of the covering layers, wherein M is equal to N;
acquiring the height of each nozzle area in the secondary scanning direction of the spray head;
wherein the nozzle height of each of the nozzle regions in the sub-scanning direction is equal.
3. A print control method of a both-sided image according to claim 1 or 2, wherein said image to be printed includes two color images and at least one white ink blocking layer, the two color images are respectively located on both sides of the white ink blocking layer, a first color image of the two color images is overlaid on said printing medium, the first color image is viewed through said printing medium, and a second color image of the two color images is overlaid on the white ink blocking layer opposite to the first color image.
4. The print control method of a duplex image according to claim 3, wherein when M is 3, the cover layer includes: the ink set comprises a first covering layer, a second covering layer and a third covering layer, wherein the first covering layer and the third covering layer are formed by covering cyan ink, magenta ink, yellow ink and black ink in a combined mode, and the second covering layer is formed by covering white ink.
5. The print control method of a duplex image according to claim 4, wherein said acquiring print data corresponding to each ink each time the head scans in the main scanning direction once according to the nozzle height includes:
dividing a spray head for printing each ink into 3 nozzle areas on average according to the number of the covering layers, and recording the nozzle areas as a first nozzle area, a second nozzle area and a third nozzle area;
acquiring printing data corresponding to the cyan ink, the magenta ink, the yellow ink and the black ink according to the height of the nozzle in the first nozzle area;
acquiring printing data corresponding to the white ink according to the nozzle height of the second nozzle area;
and acquiring printing data corresponding to the cyan ink, the magenta ink, the yellow ink and the black ink according to the height of the nozzle in the third nozzle area.
6. The print control method of a duplex image according to claim 3, wherein when M is 5, the cover layers include a first cover layer, a second cover layer, a third cover layer, a fourth cover layer, and a fifth cover layer, the first cover layer and the fifth cover layer are formed by covering a combination of cyan ink, magenta ink, yellow ink, and black ink, the second cover layer and the fourth cover layer are formed by covering white ink, and the third cover layer is formed by covering a combination of black ink.
7. The print control method of a duplex image according to claim 6, wherein said acquiring print data corresponding to each ink each time the head scans in the main scanning direction once according to the nozzle height includes:
dividing a spray head for printing each ink into 5 nozzle areas on average according to the number of the covering layers, and recording the nozzle areas as a first nozzle area, a second nozzle area, a third nozzle area, a fourth nozzle area and a fifth nozzle area;
acquiring printing data corresponding to the cyan ink, the magenta ink, the yellow ink and the black ink according to the height of the nozzle in the first nozzle area;
acquiring printing data corresponding to the white ink according to the nozzle height of the second nozzle area;
acquiring printing data corresponding to the black ink according to the nozzle height of the third nozzle area;
acquiring printing data corresponding to the white ink according to the nozzle height of the fourth nozzle area;
and acquiring printing data corresponding to the cyan ink, the magenta ink, the yellow ink and the black ink according to the height of the nozzle in the fifth nozzle area.
8. The print control method of a both-sided image according to claim 3, wherein the ink further includes a varnish ink, and when M is 4, the blanket includes: the ink-jet printing ink comprises a first covering layer, a second covering layer, a third covering layer and a fourth covering layer, wherein the first covering layer and the third covering layer are formed by covering cyan ink, magenta ink, yellow ink and black ink in a combined mode, the second covering layer is formed by covering white ink, and the fourth covering layer is formed by covering gloss oil ink.
9. A print control apparatus for duplex images, the apparatus comprising:
the module for acquiring the number of the covering layers is used for acquiring the number M of the covering layers to be printed of the image to be printed, wherein M is more than or equal to 3 and is an integer;
the nozzle area and height acquisition module is used for acquiring a nozzle area for printing each type of ink and the nozzle height of the nozzle area according to the number of the covering layers;
the printing data acquisition module is used for acquiring printing data corresponding to each ink scanned by the spray head along the main scanning direction once according to the height of the nozzle;
the ink jet printing module is used for controlling the nozzles corresponding to the nozzle areas to perform ink jet printing on a printing medium according to the printing data;
the ink comprises white ink and one or more of cyan ink, magenta ink, yellow ink and black ink, and the printing medium is a transparent medium or a semitransparent medium.
10. A print control apparatus of a duplex image, characterized by comprising: at least one processor, at least one memory, and computer program instructions stored in the memory that, when executed by the processor, implement the method of any of claims 1-8.
11. A medium having stored thereon computer program instructions, which, when executed by a processor, implement the method according to any one of claims 1-8.
12. A printer, comprising:
the ink jet head unit is used for jetting cyan ink, magenta ink, yellow ink, black ink and white ink, each ink corresponds to at least one ink jet head, and all the ink jet heads are arranged in parallel along the main scanning direction;
a print control device for controlling the head to perform ink jet printing, the print control device being the control device according to claim 9.
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CN113352785A (en) * 2021-07-08 2021-09-07 中山市泰拓数码科技有限公司 Water-based color-white printing device
CN113442577A (en) * 2020-03-28 2021-09-28 深圳市汉森软件有限公司 Printing method, device, equipment and storage medium for outputting decimal ink quantity

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TWI232177B (en) * 2003-06-24 2005-05-11 Benq Corp Method of printing color images with ink jet printer
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CN113103794A (en) * 2021-03-16 2021-07-13 深圳汉华工业数码设备有限公司 Printing method and device and digital printer
CN113352785A (en) * 2021-07-08 2021-09-07 中山市泰拓数码科技有限公司 Water-based color-white printing device
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