CN110901251A - Method, device and equipment for printing double-sided images by using same-row nozzles and storage medium - Google Patents

Method, device and equipment for printing double-sided images by using same-row nozzles and storage medium Download PDF

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Publication number
CN110901251A
CN110901251A CN201911122385.8A CN201911122385A CN110901251A CN 110901251 A CN110901251 A CN 110901251A CN 201911122385 A CN201911122385 A CN 201911122385A CN 110901251 A CN110901251 A CN 110901251A
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China
Prior art keywords
ink
printing
layer
ink jet
color image
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CN201911122385.8A
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Chinese (zh)
Inventor
邬海林
黄中琨
陈艳
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Shenzhen Hosonsoft Co Ltd
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Shenzhen Hosonsoft Co Ltd
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Priority to CN201911122385.8A priority Critical patent/CN110901251A/en
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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
    • B41M5/0041—Digital printing on surfaces other than ordinary paper
    • B41M5/0047—Digital printing on surfaces other than ordinary paper by ink-jet printing
    • 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
    • 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
    • B41J29/393—Devices for controlling or analysing the entire machine ; Controlling or analysing mechanical parameters involving printing of test patterns
    • 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
    • B41J3/54—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
    • 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
    • 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
    • B41M5/0064—Digital printing on surfaces other than ordinary paper on plastics, horn, rubber, or other organic polymers
    • 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
    • B41M5/007—Digital printing on surfaces other than ordinary paper on glass, ceramic, tiles, concrete, stones, etc.

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  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Ink Jet (AREA)

Abstract

The invention discloses a method, a device, equipment and a storage medium for printing double-sided images by using nozzles in the same row. The method comprises the following steps: acquiring the covering sequence of each covering layer of the image to be printed; determining ink jetting units and the ink jetting sequence of each ink jetting unit according to the covering sequence of each covering layer of the image to be printed; determining an ink ejection state of each ink ejection unit every time scanning is performed once in the main scanning direction according to an ink ejection order; and controlling the corresponding ink jet unit to perform ink jet printing on the printing medium according to the ink jet state. The device comprises a covering sequence acquisition module, an ink jet unit, an ink jet sequence determination module, an ink jet state determination module and an ink jet printing module. The apparatus comprises: at least one processor, at least one memory, and computer program instructions stored in the memory. The storage medium has stored thereon computer program instructions. The invention aims to solve the technical problem that double-sided printing cannot be realized by nozzles arranged in the same row in the prior art.

Description

Method, device and equipment for printing double-sided images by using same-row nozzles and storage medium
Technical Field
The invention relates to the technical field of ink-jet printing, in particular to a method, a device, equipment and a storage medium for printing double-sided images by using nozzles in the same row.
Background
The ink jet printing technology is to jet ink into ink drops through a nozzle of a nozzle head onto a printing medium, thereby obtaining an image product. The technology is non-contact printing, has the technical advantages of high printing speed, little pollution, bright image color, long image retention period, suitability for various printing media and the like, and is widely applied to the fields of outdoor portraits, advertisement manufacture, office stationery devices, printing and proofing and the like. The ink-jet printing device in the prior art can print common media such as letter paper and the like, and can also print various transparent media such as acrylic plates, glass and the like, or semitransparent media.
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 multi-printing unit 100 is installed in 3 rows, and the printing unit of the 1 st row is responsible for printing the reverse data of the image, the printing unit of the 2 nd row is responsible for printing the white ink, and the printing unit of 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, the required installation space is large, the size of the printer is relatively large, in addition, in the printing process, the printing medium needs to move relative to the spray heads along the sub-scanning direction of the spray heads, namely, paper feeding is carried out, and the printing effect is influenced by the paper feeding precision. As shown in fig. 2, a new method for installing nozzles is proposed to overcome the drawbacks of the prior art, in which a plurality of nozzles are installed in the same row along the main scanning direction, which not only saves space but also improves the utilization of nozzles in the nozzles, but a problem to be solved is how to control printing for the nozzles arranged in the same row to achieve that images can be seen on both sides.
Disclosure of Invention
The embodiment of the invention provides a method, a device, equipment and a storage medium for printing double-sided images by using nozzles in the same row, which are used for solving the technical problem that the nozzles in the same row cannot realize double-sided printing in the prior art.
In a first aspect, an embodiment of the present invention provides a method for printing a duplex image by nozzles in the same row, where the method includes:
acquiring the covering sequence of each covering layer of the image to be printed;
determining ink jet units for printing each covering layer and the ink jet sequence of each ink jet unit according to the covering sequence of each covering layer of the image to be printed;
determining an ink ejection state of each ink ejection unit every time scanning is performed once in a main scanning direction according to the ink ejection order;
controlling the corresponding ink jet unit to perform ink jet printing on a printing medium according to the ink jet state;
the ink-jet state comprises an ink-out state and an ink-out state, the covering layer comprises an intermediate layer and a color image layer, the ink-jet unit comprises an intermediate layer printing unit for printing the intermediate layer and a color layer printing unit for printing the color image layer, and the printing medium is a transparent medium or a semitransparent medium.
Preferably, the method for determining the ink jet units for printing each blanket layer and the ink jet order of each ink jet unit according to the blanket order of each blanket layer of the image to be printed is as follows:
each covering layer corresponds to at least one ink jet unit used for printing the covering layer, the ink jet unit corresponding to the covering layer covering the printing medium firstly jets ink, and then the ink jet unit corresponding to the covering layer covering the printing medium jets ink.
Preferably, the cover layer of the image to be printed comprises two color image layers and at least one intermediate layer, the two color image layers are respectively positioned at two sides of the intermediate layer, a first color image layer of the two color image layers is covered on the printing medium, the first color image layer can be observed through the printing medium, and a second color image layer of the two color image layers is covered on the intermediate layer and is opposite to the first color image.
Preferably, the cover layer includes a first color image layer, a first intermediate layer and a second color image layer, which are sequentially covered, the first color image layer and the second color image layer are formed by covering cyan ink, magenta ink, yellow ink and black ink, the first intermediate layer is formed by covering white ink, the scanning mode of inkjet printing is a multi-pass scanning mode, and determining the inkjet state of each inkjet unit when each inkjet unit scans once along the main scanning direction according to the inkjet sequence includes:
in the process of printing the first color image layer, when the ink jet units scan along the main scanning direction once, the ink jet state of the ink jet unit corresponding to the first color image is ink discharge, and the ink jet state of the other ink jet units is ink non-discharge;
in the process of printing the first intermediate layer, when the ink jet unit scans along the main scanning direction once every time, the ink jet state of the ink jet unit corresponding to the first intermediate layer is ink discharge, and the ink jet states of the other ink jet units are ink non-discharge;
in the process of printing the second color image layer, the ink jetting state of the ink jetting unit corresponding to the second color image layer is ink discharging when the ink jetting unit scans once along the main scanning direction, and the ink jetting state of the rest of the ink jetting units is ink non-discharging.
Preferably, the cover layer includes a first color image layer, a first intermediate layer, a second intermediate layer, a third intermediate layer and a second color image layer, which are sequentially covered, the first color image layer and the second color image layer are formed by covering cyan ink, magenta ink, yellow ink and black ink, the first intermediate layer and the third intermediate layer are formed by covering white ink, the second intermediate layer is formed by covering black ink, the scanning mode of inkjet printing is a multi-pass scanning mode, and determining the inkjet state of each inkjet unit when each inkjet unit scans once along the main scanning direction according to the inkjet sequence includes:
in the process of printing the first color image layer, when the ink jet units scan along the main scanning direction once, the ink jet state of the ink jet unit corresponding to the first color image layer is ink discharge, and the ink jet state of the other ink jet units is ink non-discharge;
in the process of printing the first intermediate layer, when the ink jet unit scans along the main scanning direction once every time, the ink jet state of the ink jet unit corresponding to the first intermediate layer is ink discharge, and the ink jet states of the other ink jet units are ink non-discharge;
in the process of printing the second intermediate layer, when the ink jet unit scans along the main scanning direction once every time, the ink jet state of the ink jet unit corresponding to the second intermediate layer is ink discharge, and the ink jet states of the other ink jet units are ink non-discharge;
in the process of printing the third intermediate layer, when the ink jet unit scans along the main scanning direction once every time, the ink jet state of the ink jet unit corresponding to the first third intermediate layer is ink discharge, and the ink jet states of the other ink jet units are ink non-discharge;
in the process of printing the second color image layer, the ink jetting state of the ink jetting unit corresponding to the second color image layer is ink discharging when the ink jetting unit scans once along the main scanning direction, and the ink jetting state of the rest of the ink jetting units is ink non-discharging.
Preferably, the inkjet printing is performed in an Onepass scanning manner, the cover layer includes a first color image layer, a first intermediate layer and a second color image layer that are sequentially covered, the first color image layer and the second color image layer are formed by covering cyan ink, magenta ink, yellow ink and black ink in combination, the first intermediate layer is formed by covering white ink, the inkjet units are arranged in a covering sequence of the cover layer corresponding to the inkjet units along the scanning direction, and the method for determining the inkjet state of each inkjet unit each time scanning once along the main scanning direction according to the inkjet sequence is as follows: the ink ejection states of the ink ejection units corresponding to the respective blanket layers are all discharged during each scanning of the ink ejection units in the main scanning direction.
Preferably, the inkjet printing is performed in an Onepass scanning manner, the cover layer includes a first color image layer, a first intermediate layer, a second intermediate layer, a third intermediate layer, and a second color image layer, which are sequentially covered, the first color image layer and the second color image layer are formed by covering cyan ink, magenta ink, yellow ink, and black ink in combination, the first intermediate layer and the third intermediate layer are formed by covering white ink, the second intermediate layer is formed by covering black ink in combination, the inkjet units are arranged in the scanning direction according to the covering sequence of the cover layer corresponding to the inkjet units, and the method for determining the inkjet state of each inkjet unit in each scanning in the main scanning direction according to the inkjet sequence is as follows: the ink ejection states of the ink ejection units corresponding to the respective blanket layers are all discharged during each scanning of the ink ejection units in the main scanning direction.
In a second aspect, the present invention provides an apparatus for printing a duplex image by nozzles in a same row, the apparatus comprising:
the covering sequence acquisition module is used for acquiring the covering sequence of each covering layer of the image to be printed;
the ink jet printing and ink jet sequence determining module is used for determining the ink jet unit for printing each covering layer and the ink jet sequence of each ink jet unit according to the covering sequence of each covering layer of the image to be printed;
the ink jetting state determining module is used for determining the ink jetting state of each ink jetting unit when each ink jetting unit scans once along the main scanning direction according to the ink jetting sequence;
the ink jet printing module is used for controlling the corresponding ink jet unit to perform ink jet printing on a printing medium according to the ink jet state;
the ink-jet state comprises an ink-out state and an ink-out state, the covering layer comprises an intermediate layer and a color image layer, the ink-jet unit comprises an intermediate layer printing unit for printing the intermediate layer and a color layer printing unit for printing the color image layer, and the printing medium is a transparent medium or a semitransparent medium.
In a third aspect, the present invention provides an apparatus for printing a duplex image by nozzles in a same row, comprising: 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, the present invention provides a storage medium having stored thereon computer program instructions which, when executed by a processor, implement the method of the first aspect of the embodiments described above.
In summary, the method, apparatus, device and storage medium for printing double-sided images by using the same row of nozzles provided by the present invention associate each inkjet unit with each cover layer of an image to be printed, and determine the inkjet sequence of the corresponding inkjet unit according to the covering sequence of each cover layer of the image to be printed. And determining that the ink discharging state of each ink jet unit is the ink discharging state of each ink jet unit when each ink jet unit scans once along the main scanning direction according to the ink jet sequence, so that each ink jet unit of the printing equipment can jet ink according to the sequence of covering in the ink jet printing process, a back image is covered on the first layer, the middle partition layer is covered on the back image, finally the front image is covered on the middle partition layer, and finally the printing image with two visible sides is printed on a transparent or semitransparent medium.
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 view of a printing unit composed of a plurality of heads arranged in the same row.
FIG. 3 is a schematic diagram of a printing unit consisting of one or more rows of nozzles in a single jet.
Fig. 4 is a schematic view of the present printing unit consisting of a single nozzle.
Fig. 5 is a flowchart of a method for printing a double-sided image by the same-row nozzles in embodiment 1 of the present invention.
Fig. 6 is a flowchart of determining the ink ejection state of each ink ejection unit every time scanning is performed once in the main scanning direction according to the ink ejection order in embodiment 1 of the present invention.
Fig. 7 is a schematic structural view of the arrangement of the ink jet units in embodiment 1 of the present invention.
Fig. 8 is a flowchart of determining the ink ejection state of each ink ejection unit every time scanning is performed once in the main scanning direction according to the ink ejection order in embodiment 2 of the present invention.
Fig. 9 is a schematic structural view of the arrangement of the ink jet units in embodiment 2 of the present invention.
Fig. 10 is a schematic structural diagram of an apparatus for printing a double-sided image by the same-row heads according to embodiment 3 of the present invention.
Fig. 11 is a schematic configuration diagram of an apparatus for printing a duplex image by the heads of the same row in embodiment 4 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 refers to a technology of ejecting ink droplets onto a printing medium through nozzles on an ejection head to obtain images or characters, and mainly includes Onepass printing and multi-pass printing. Wherein Onepass means that the ink jet unit completes printing by scanning in the horizontal direction, i.e., scanning in the main scanning direction at a time. And the multi-pass printing means that the ink jet unit repeatedly scans in the horizontal direction for multiple times to complete printing.
The invention makes each ink jet unit correspond to each covering layer of the image to be printed, and determines the ink jet sequence of the corresponding ink jet unit according to the covering sequence of each covering layer of the printed image. And determining that the ink discharging state of each ink jet unit is the ink discharging state of each ink jet unit when each ink jet unit scans once along the main scanning direction according to the ink jet sequence, so that each ink jet unit of the printing equipment can jet ink according to the sequence of covering in the ink jet printing process, a back image is covered on the first layer, the middle partition layer is covered on the back image, finally the front image is covered on the middle partition layer, and finally the printing image with two visible sides is printed on a transparent or semitransparent medium. Because this embodiment adopts each inkjet unit to arrange the mode in same row and realizes two-sided printing, consequently both saved the space and also improved the utilization ratio of nozzle in the shower nozzle, the printing effect is not influenced by the paper feed simultaneously, makes the image accuracy of two-sided printing also obtain showing the improvement.
Example 1
Referring to fig. 5, an embodiment of the present invention provides a method for printing double-sided images by using nozzles in the same row, where the method specifically includes the following steps:
s1, acquiring the covering sequence of each covering layer of the image to be printed;
the image to be printed on both sides often includes a plurality of cover layers, in this embodiment, the cover layer of the image to be printed includes two color image layers and at least one intermediate layer, the two color image layers are respectively located on two sides of the intermediate layer, a first color image layer of the two color image layers is covered on the printing medium, the first color image layer can be viewed through the printing medium, and a second color image layer of the two color image layers is covered on the intermediate layer opposite to the first color image layer. The first color image layer is used for forming a reverse image, the second color image layer is used for forming a front image, and the middle layer plays a role in separation, so that the first color image layer and the second image layer are prevented from being influenced with each other.
In the thickness direction of the image to be printed, the cover layers closer to the printing medium are laid in the front order, and the cover layers farther from the printing medium are laid in the back order.
S2, determining ink jet units for printing each covering layer and the ink jet sequence of each ink jet unit according to the covering sequence of each covering layer of the image to be printed;
as shown in fig. 2, the ink ejection unit may be a plurality of heads arranged in the same row in the main scanning direction in the present embodiment, the ink ejection unit 160 in fig. 2 is an ink ejection unit formed of three heads arranged in the same row, and the ink ejection unit 170 is an ink ejection unit formed of two heads arranged in the same row; as shown in fig. 3, the ink jet unit in this embodiment may also be one or more rows of nozzles arranged in the same row along the main scanning direction in a single head, and in fig. 3, the ink jet unit 130, the ink jet unit 140, and the ink jet unit 150 are all ink jet units composed of two rows of nozzles in the same row; as shown in fig. 4, the ink jet unit in this embodiment may also be a single head, and in fig. 4, the ink jet unit 110 and the ink jet unit 120 are both formed by a single head. All the ink ejecting units of the present embodiment are arranged in the same row, i.e., the same horizontal position, in the main scanning direction. The ink jet unit includes a middle layer printing unit for printing a middle layer and a color layer printing unit for printing a color image layer. The ink jetting order of each ink jetting unit refers to the first-to-last order of jetting ink in the area by each ink jetting unit for the same printing area of the printing medium, and in the embodiment, the first-to-last order of jetting ink in the area by each ink jetting unit is the same for any one printing area of the printing medium.
Each covering layer corresponds to at least one ink jet unit used for printing the covering layer, the ink jet unit corresponding to the covering layer covering the printing medium firstly jets ink, and then the ink jet unit corresponding to the covering layer covering the printing medium jets ink.
S3, determining the ink jetting state of each ink jetting unit when each ink jetting unit scans once along the main scanning direction according to the ink jetting sequence;
wherein the ink ejection state includes two states of ink discharge and ink non-discharge, and in order to ensure a correct ink ejection order, whether each ink ejection unit ejects ink in each scan is determined according to the ink ejection order every time the ink ejection unit scans once in the main scanning direction.
As shown in fig. 6, as an example, the scanning mode of inkjet printing is a multi-pass scanning mode, the cover layer of this embodiment includes a first color image layer, a first intermediate layer, and a second color image layer that are sequentially covered, the first color image layer and the second color image layer are formed by covering cyan ink, magenta ink, yellow ink, and black ink in combination, the first intermediate layer is formed by covering white ink, and since the inkjet unit corresponding to the cover layer that is covered on the printing medium first ejects ink, and then the inkjet unit corresponding to the cover layer that is covered on the printing medium later ejects ink. The determining of the ink ejection state of each ink ejection unit every time scanning once in the main scanning direction according to the ink ejection order thus includes:
s311, in the process of printing the first color image layer, when the ink jet unit scans along the main scanning direction once every time, the ink jet state of the ink jet unit corresponding to the first color image layer is ink discharge, and the ink jet states of the other ink jet units are ink non-discharge;
s312, in the process of printing the first intermediate layer, when the ink jet unit scans along the main scanning direction once every time, the ink jet state of the ink jet unit corresponding to the first intermediate layer is ink discharge, and the ink jet states of the rest ink jet units are ink non-discharge;
and S313, in the process of printing the second color image layer, when the ink jet units scan along the main scanning direction once, the ink jet states of the ink jet units corresponding to the second color image layer are ink discharge, and the ink jet states of the rest of the ink jet units are ink non-discharge.
The following description will be given by taking the printing unit arrangement in fig. 7 as an example, in which the first color image layer is printed by 2PASS, the first intermediate layer is printed by 2PASS, and the second color image layer is printed by 2PASS, for a total of 6 PASS.
Fig. 7 includes three groups of nozzles P1, P2, and P3, where the P1 color nozzle is used as an ink ejection unit corresponding to the first color image, the P2 white nozzle is used as an ink ejection unit corresponding to the first intermediate layer, and the P3 color nozzle is used as an ink ejection unit corresponding to the first color image, and the printing direction is from right to left in fig. 7:
a. 1, PASS: the ink jetting state of the P1 color nozzle is ink output, the ink jetting states of the P2 white nozzle and the P3 color nozzle are ink non-output, and the P1 color nozzle prints the first color image layer data 1PASS data;
b. the 2 nd PASS: the ink jetting state of the P1 color nozzle is ink output, the ink jetting states of the P2 white nozzle and the P3 color nozzle are ink non-output, and the P1 color nozzle prints the 2 nd PASS data of the first color image layer data;
c. PASS 3: the ink jetting state of the P2 white nozzle is ink output, the ink jetting states of the P1 color nozzle and the P3 color nozzle are ink non-output, and the P2 white nozzle prints the data of the first intermediate layer data 1 PASS;
d. 4, PASS: the ink jetting state of the P2 white nozzle is ink output, the ink jetting states of the P1 color nozzle and the P3 color nozzle are ink non-output, and the P2 white nozzle prints the 2 nd PASS data of the first intermediate layer data;
e. 5 th PASS: the ink jetting state of the P3 color nozzle is ink output, the ink jetting states of the P1 color nozzle and the P2 white nozzle are ink non-output, and the P3 color nozzle prints and prints the data 1PASS data of the second color image layer data;
f. 6 th PASS: the ink jetting state of the P3 color nozzle is ink output, the ink jetting states of the P1 color nozzle and the P2 white nozzle are ink non-output, and the P3 color nozzle prints and prints the 2 nd PASS data of the second color image layer data.
As another example of this embodiment, the cover layer includes a first color image layer, a first intermediate layer, and a second color image layer sequentially covered, the first color image layer and the second color image layer are formed by covering cyan ink, magenta ink, yellow ink and black ink, the first intermediate layer is formed by covering white ink, the color layer printing unit comprises a first color ink unit and a second color ink unit, the middle layer printing unit comprises a first white ink unit, the first color image layer corresponds to a first color ink unit and a second color ink unit, the first intermediate layer corresponds to a first white ink unit, the scanning mode of ink-jet printing is a multi-pass scanning mode, the ink-jet units are arranged along the scanning direction according to the covering sequence of the covering layer corresponding to the ink-jet units, the determining an ink ejection state of each ink ejection unit scanned once in a main scanning direction according to the ink ejection order includes:
in the last scanning process of the ink jet unit along the main scanning direction for forming the first color image layer, the ink jet state of the first white ink unit is ink discharge, the ink jet state of the ink jet unit which reaches the same printing area in the main scanning direction in the first color ink unit and the second color ink unit is ink discharge, and the ink jet states of the rest ink jet units are ink non-discharge; in the process that the ink jet units form the first color image layer and other times except the last time of scanning along the main scanning direction, the ink jet states of the first color ink unit and/or the second color ink unit are ink discharge, and the ink jet states of the other ink jet units are ink non-discharge;
in the process that the ink jet units form the first middle layer and scan along the main scanning direction for the first time and the last time, the ink jet state of the first white ink unit is ink discharge, the ink jet state of the ink jet unit which reaches the same printing area in the main scanning direction in the first color ink unit and the second color ink unit is ink discharge, and the ink jet states of the rest ink jet units are ink non-discharge; in the process that the ink jet units scan along the main scanning direction in the rest times except the first time and the last time of forming the first intermediate layer, the ink jet state of the white ink unit is ink discharge, and the ink jet states of the rest ink jet units are ink non-discharge;
in the process that the ink jet units form the second color image layer and scan along the main scanning direction for the first time, the ink jet state of the first white ink unit is ink discharge, the ink jet state of the ink jet units reaching the same printing area in the first color ink unit and the second color ink unit along the main scanning direction is ink discharge, and the ink jet states of the rest ink jet units are ink non-discharge; in the process that the ink jet units scan along the main scanning direction in the rest times except the first time of forming the first color image layer, the ink jet state of the first color ink unit and/or the second color ink unit is ink discharge, and the ink jet state of the rest ink jet units is ink non-discharge.
The following description will take the printing unit arrangement in fig. 7 as an example, where 3PASS is used to print the first color image layer, 3PASS is used to print the first intermediate layer, and 3PASS is used to print the second color image layer.
The figure includes three groups of nozzles P1, P2 and P3, wherein a P1 color nozzle is used as an ink jet unit corresponding to a first color image, a P2 white nozzle is used as an ink jet unit corresponding to a first intermediate layer, a P3 color nozzle is used as an ink jet unit corresponding to the first color image, and the printing direction is from right to left in the figure:
a. 1, PASS: the ink jetting state of the P1 color nozzle is ink output, the ink jetting states of the P2 white nozzle and the P3 color nozzle are ink non-output, and the P1 color nozzle prints the first color image layer data 1PASS data;
b. the 2 nd PASS: the ink jetting state of the P1 color nozzle is ink output, the ink jetting states of the P2 white nozzle and the P3 color nozzle are ink non-output, and the P1 color nozzle prints the 2 nd PASS data of the first color image layer data;
c. PASS 3: the ink jet states of the P1 color nozzle and the P2 white nozzle are ink output, the ink jet state of the P3 color nozzle is ink non-output, the P1 color nozzle prints the 3 rd PASS data of the first color image layer data, and the P2 white nozzle prints the 1 st PASS data of the first intermediate layer data;
d. 4, PASS: the ink jetting state of the P2 white nozzle is ink output, the ink jetting states of the P1 color nozzle and the P3 color nozzle are ink non-output, and the P2 white nozzle prints the 2 nd PASS data of the first intermediate layer data;
e. 5 th PASS: the ink jet states of the P2 white nozzle and the P3 color nozzle are ink output, the ink jet state of the P1 color nozzle is ink non-output, the P2 white nozzle prints the 3 rd PASS data of the first intermediate layer data, and the P3 color nozzle prints the 1 st PASS data of the second color layer data;
f. 6 th PASS: the ink jetting state of the P3 color nozzle is ink output, the ink jetting states of the P1 color nozzle and the P2 white nozzle are ink non-output, and the P3 color nozzle prints and prints the 2 nd PASS data of the second color image layer data;
g. 7, PASS: the ink jetting state of the P3 color nozzle is ink output, the ink jetting states of the P1 color nozzle and the P2 white nozzle are ink non-output, and the P3 color nozzle prints and prints the 3 rd PASS data of the second color image layer data;
by adopting the printing method of the example, the characteristic that the arrangement sequence of the ink jet units along the scanning direction is associated with the covering sequence of the corresponding covering layer is fully utilized, in the process of printing double-sided images by multiple passes, the middle layer image is printed simultaneously in the scanning process of printing the back side image by the last scanning, and the front side image is printed simultaneously in the scanning process of printing the middle layer image by the last scanning, so that the double-sided images can be formed, the total required scanning times are reduced, and the printing time is saved.
As another example of this embodiment, the scanning mode of inkjet printing is an Onepass scanning mode, the cover layer includes a first color image layer, a first intermediate layer and a second color image layer that are sequentially covered, the first color image layer and the second color image layer are formed by covering cyan ink, magenta ink, yellow ink and black ink in combination, the first intermediate layer is formed by covering white ink, the inkjet units are arranged in the covering order of the cover layer corresponding to the inkjet units along the scanning direction, and the method for determining the inkjet state of each inkjet unit when each inkjet unit scans once along the main scanning direction according to the inkjet order is as follows: the ink ejection states of the ink ejection units corresponding to the respective blanket layers are all discharged during each scanning of the ink ejection units in the main scanning direction.
The arrangement of the ink jet units is shown in fig. 7, fig. 7 includes three groups of nozzles P1, P2, and P3, wherein a P1 color nozzle is used as an ink jet unit corresponding to the first color image, a P2 white nozzle is used as an ink jet unit corresponding to the first intermediate layer, a P3 color nozzle is used as an ink jet unit corresponding to the first color image, the three groups of nozzles P1, P2, and P3 are arranged in the same row from left to right at one time, and the printing direction is from right to left in fig. 7:
three sets of nozzles, P1, P2, P3, each discharging ink during one scan in the main scanning direction, where the P1 color nozzle prints data of the first color image layer, the P2 white nozzle prints data of the first intermediate layer, and the P3 color nozzle prints data of the second color image layer. The present example makes full use of the characteristic that the arrangement order of the ink ejection units in the scanning direction is associated with the covering order of the cover layers corresponding thereto, and a double-sided image can be formed in one scan.
And S4, controlling the corresponding ink jet unit to perform ink jet printing on the printing medium according to the ink jet state.
When the ink ejection state of each ink ejection unit is determined, print data is sent to each ink ejection unit, the printing apparatus controls the ink ejection units to scan over the print medium in the main scanning direction, and prints the data by ejecting ink or not ejecting ink at each scanning time in each ink ejection printing according to the ink ejection state.
Example 2
In this embodiment, the cover layer includes a first color image layer, a first intermediate layer, a second intermediate layer, a third intermediate layer, and a second color image layer, which are sequentially covered, where the first color image layer and the second color image layer are formed by covering a combination of cyan ink, magenta ink, yellow ink, and black ink, the first intermediate layer and the third intermediate layer are formed by covering white ink, and the second intermediate layer is formed by covering a combination of black ink.
As shown in fig. 8, as one example, when the above-described duplex image is printed in the multi-pass scanning manner,
determining an ink ejection state of each ink ejection unit every time scanning is performed once in a main scanning direction according to the ink ejection order includes:
s321, in the process of printing the first color image layer, when the ink jet unit scans the first color image layer once along the main scanning direction each time, the ink jet state of the ink jet unit corresponding to the first color image layer is ink discharge, and the ink jet states of the other ink jet units are ink non-discharge;
s322, in the process of printing the first intermediate layer, when the ink jet unit scans along the main scanning direction once every time, the ink jet state of the ink jet unit corresponding to the first intermediate layer is ink discharge, and the ink jet states of the other ink jet units are ink non-discharge;
s323, in the process of printing the second intermediate layer, when the ink jet unit scans along the main scanning direction once every time, the ink jet state of the ink jet unit corresponding to the second intermediate layer is ink discharge, and the ink jet states of the other ink jet units are ink non-discharge;
s324, in the process of printing the third middle layer, when the ink jet unit scans once along the main scanning direction each time, the ink jet state of the ink jet unit corresponding to the third middle layer is ink discharge, and the ink jet states of the rest ink jet units are ink non-discharge;
and S325, in the process of printing the second color image layer, when the ink jet units scan along the main scanning direction once, the ink jet states of the ink jet units corresponding to the second color image layer are ink discharge, and the ink jet states of the rest of the ink jet units are ink non-discharge.
In the following, the printing unit arrangement in fig. 9 is described by using an example of 2PASS printing the first color image layer, 2PASS printing the first intermediate layer, 2PASS printing the second intermediate layer, 2PASS printing the third intermediate layer, 2PASS printing the second color image layer, and 10 passes in total.
Fig. 9 includes five groups of heads, i.e., H1, H2, H3, H4, and H5, where an H1 color head is used as an ink jet unit corresponding to the first color image layer, an H2 white head is used as an ink jet unit corresponding to the first intermediate layer, an H3 black head is used as an ink jet unit corresponding to the second intermediate layer, an H4 white head is used as an ink jet unit corresponding to the third intermediate layer, and an H5 color head is used as an ink jet unit corresponding to the second color image layer, and a printing direction is from right to left in fig. 9:
a. 1, PASS: the ink-jet state of the H1 color nozzle is ink-out, the ink-jet states of the H2 white nozzle, the H3 black nozzle, the H4 white nozzle and the H5 color nozzle are ink-out, and the H1 color nozzle prints the data of the 1 st PASS of the first color image layer data;
b. the 2 nd PASS: the ink-jet state of the H1 color nozzle is ink-out, the ink-jet states of the H2 white nozzle, the H3 black nozzle, the H4 white nozzle and the H5 color nozzle are ink-out, and the H1 color nozzle prints the 2 nd PASS data of the first color image layer data;
c. PASS 3: the ink-jet state of the H2 white nozzle is ink-out, the ink-jet states of the H1 color nozzle, the H3 black nozzle, the H4 white nozzle and the H5 color nozzle are ink-out, and the H2 white nozzle prints the data of the first intermediate layer data, namely the 1 st PASS data;
d. 4, PASS: the ink-jet state of the H2 white nozzle is ink-out, the ink-jet states of the H1 color nozzle, the H3 black nozzle, the H4 white nozzle and the H5 color nozzle are ink-out, and the H2 white nozzle prints the 2 nd PASS data of the first intermediate layer data;
e. 5 th PASS: the ink jet state of the H3 black nozzle is ink output, the ink jet states of the H1 color nozzle, the H2 white nozzle, the H4 white nozzle and the H5 color nozzle are ink non-output, and the H3 black nozzle prints and prints the data of the second intermediate layer data 1 PASS;
f. 6 th PASS: the ink jetting state of the H3 black nozzle is ink output, the ink jetting states of the H1 color nozzle, the H2 white nozzle, the H4 white nozzle and the H5 color nozzle are ink non-output, and the H3 black nozzle prints and prints the 2 nd PASS data of the second intermediate layer data.
g. 7, PASS: the ink-jet state of the H4 white nozzle is ink-out, the ink-jet states of the H1 color nozzle, the H2 white nozzle, the H3 black nozzle and the H5 color nozzle are ink-out, and the H4 white nozzle prints the data of the third intermediate layer data, namely the 1 st PASS data;
h. 8 th PASS: the ink-jet state of the H4 white nozzle is ink-out, the ink-jet states of the H1 color nozzle, the H2 white nozzle, the H3 black nozzle and the H5 color nozzle are ink-out, and the H4 white nozzle prints the 2 nd PASS data of the third intermediate layer data;
j. 9 th PASS: the ink-jet state of the H5 color nozzle is ink-out, the ink-jet states of the H1 color nozzle, the H2 white nozzle, the H3 black nozzle and the H4 white nozzle are ink-out, and the H5 color nozzle prints the data of the second color image layer, namely the data of the 1 st PASS;
k. 10 th PASS: the ink jetting state of the H5 color nozzle is ink output, the ink jetting states of the H1 color nozzle, the H2 white nozzle, the H3 black nozzle and the H4 white nozzle are ink non-output, and the H5 color nozzle prints and prints the 2 nd PASS data of the second color image layer data.
As another example, when the duplex image is printed by the Onepass scanning method, the ink ejection units are arranged in the scanning direction in the covering order of the cover layer corresponding to the ink ejection units, and the method for determining the ink ejection state of each ink ejection unit in each scanning in the main scanning direction according to the ink ejection order comprises the following steps: the ink ejection states of the ink ejection units corresponding to the respective blanket layers are all discharged during each scanning of the ink ejection units in the main scanning direction.
The figure includes five groups of nozzles including H1, H2, H3, H4 and H5, wherein an H1 color nozzle is used as an ink jet unit corresponding to a first color image layer, an H2 white nozzle is used as an ink jet unit corresponding to a first intermediate layer, an H3 black nozzle is used as an ink jet unit corresponding to a second intermediate layer, an H4 white nozzle is used as an ink jet unit corresponding to a third intermediate layer, an H5 color nozzle is used as an ink jet unit corresponding to a second color image layer, the printing direction is from right to left in the figure, and five groups of nozzles including H1, H2, H3, H4 and H5 are sequentially arranged in the same row from left to right:
five groups of heads H1, H2, H3, H4, and H5 all discharge ink during one scan in the main scanning direction, in which an H1 color head prints data of a first color image layer, an H2 white head prints data of a first intermediate layer, an H3 black head prints data of a second intermediate layer, an H4 white head prints data of a third intermediate layer, and an H5 color head prints data of a second color image layer. The present example makes full use of the characteristic that the arrangement order of the ink ejection units in the scanning direction is associated with the covering order of the cover layers corresponding thereto, and a double-sided image can be formed in one scan.
Example 3
Referring to fig. 10, an embodiment of the present invention provides an apparatus for printing double-sided images by nozzles in a same row, the apparatus including:
the covering sequence acquisition module is used for acquiring the covering sequence of each covering layer of the image to be printed;
the ink jet printing and ink jet sequence determining module is used for determining the ink jet unit for printing each covering layer and the ink jet sequence of each ink jet unit according to the covering sequence of each covering layer of the image to be printed;
the ink jetting state determining module is used for determining the ink jetting state of each ink jetting unit when each ink jetting unit scans once along the main scanning direction according to the ink jetting sequence;
the ink jet printing module is used for controlling the corresponding ink jet unit to perform ink jet printing on a printing medium according to the ink jet state;
the ink-jet state comprises an ink-out state and an ink-out state, the covering layer comprises an intermediate layer and a color image layer, the ink-jet unit comprises an intermediate layer printing unit for printing the intermediate layer and a color layer printing unit for printing the color image layer, and the printing medium is a transparent medium or a semitransparent medium.
Example 4
In addition, the method for printing double-sided images by the same-row nozzles according to the embodiment of the invention described in connection with fig. 11 can be implemented by a device for printing double-sided images by the same-row nozzles. Fig. 11 is a schematic diagram illustrating a hardware structure of an apparatus for printing a double-sided image by using nozzles in the same row according to an embodiment of the present invention.
A same-row-nozzle print duplex image apparatus 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 reads and executes computer program instructions stored in the memory 402 to implement the data addressing method for area random printing in any of the above embodiments.
The same row of jets in one example may also include a communication interface 403 and a bus 410. As shown in fig. 6, the processor 401, the memory 402, and the communication interface 403 are connected via 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.
Bus 410 includes hardware, software, or both to couple the components of the same row of nozzles printing the dual-sided image 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.
Example 5
In addition, in combination with the method for printing double-sided images by using the same-row nozzles in the above embodiments, the embodiments of the present invention may 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 any of the above-described embodiments of a method for printing duplex images by a same-row nozzle.
The above is a detailed description of the method, apparatus, device and storage medium for printing double-sided images by the same-row nozzles according to the embodiments of the present invention.
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 (10)

1. A method of printing duplex images with nozzles in a common row, the method comprising:
acquiring the covering sequence of each covering layer of the image to be printed;
determining ink jet units for printing each covering layer and the ink jet sequence of each ink jet unit according to the covering sequence of each covering layer of the image to be printed;
determining an ink ejection state of each ink ejection unit every time scanning is performed once in a main scanning direction according to the ink ejection order;
controlling the corresponding ink jet unit to perform ink jet printing on a printing medium according to the ink jet state;
the ink-jet state comprises an ink-out state and an ink-out state, the covering layer comprises an intermediate layer and a color image layer, the ink-jet unit comprises an intermediate layer printing unit for printing the intermediate layer and a color layer printing unit for printing the color image layer, and the printing medium is a transparent medium or a semitransparent medium.
2. A method for printing double-sided images by nozzles in the same row as in claim 1, wherein the ink ejection units for printing each blanket layer and the ink ejection order of each ink ejection unit are determined according to the blanket order of each blanket layer of the image to be printed by:
each covering layer corresponds to at least one ink jet unit used for printing the covering layer, the ink jet unit corresponding to the covering layer covering the printing medium firstly jets ink, and then the ink jet unit corresponding to the covering layer covering the printing medium jets ink.
3. A method of printing dual-sided images with nozzles in the same row as in claim 2, wherein the cover layer of the image to be printed comprises two color image layers and at least one intermediate layer, the two color image layers are respectively located at two sides of the intermediate layer, a first color image layer of the two color image layers is overlaid on the printing medium, the first color image layer can be viewed through the printing medium, and a second color image layer of the two color image layers is overlaid on the intermediate layer opposite to the first color image layer.
4. The method for printing double-sided images by the same-row nozzle according to claim 3, wherein the covering layer comprises a first color image layer, a first intermediate layer and a second color image layer which are sequentially covered, the first color image layer and the second color image layer are formed by covering cyan ink, magenta ink, yellow ink and black ink in a combined manner, the first intermediate layer is formed by covering white ink, the scanning mode of ink-jet printing is a multi-pass scanning mode, and the determining of the ink-jet state of each ink-jet unit in each time of scanning once along the main scanning direction according to the ink-jet sequence comprises:
in the process of printing the first color image layer, when the ink jet units scan along the main scanning direction once, the ink jet state of the ink jet unit corresponding to the first color image layer is ink discharge, and the ink jet state of the other ink jet units is ink non-discharge;
in the process of printing the first intermediate layer, when the ink jet unit scans along the main scanning direction once every time, the ink jet state of the ink jet unit corresponding to the first intermediate layer is ink discharge, and the ink jet states of the other ink jet units are ink non-discharge;
in the process of printing the second color image layer, the ink jetting state of the ink jetting unit corresponding to the second color image layer is ink discharging when the ink jetting unit scans once along the main scanning direction, and the ink jetting state of the rest of the ink jetting units is ink non-discharging.
5. The method for printing double-sided images by using the same-row nozzles as in claim 3, wherein the cover layer comprises a first color image layer, a first intermediate layer, a second intermediate layer, a third intermediate layer and a second color image layer which are sequentially covered, the first color image layer and the second color image layer are formed by covering cyan ink, magenta ink, yellow ink and black ink in a combined manner, the first intermediate layer and the third intermediate layer are formed by covering white ink in a covered manner, the second intermediate layer is formed by covering black ink in a combined manner, the scanning mode of ink-jet printing is a multi-pass scanning mode, and the determining of the ink-jet state of each ink-jet unit in each scanning along the main scanning direction according to the ink-jet sequence comprises:
in the process of printing the first color image layer, when the ink jet units scan along the main scanning direction once, the ink jet state of the ink jet unit corresponding to the first color image layer is ink discharge, and the ink jet state of the other ink jet units is ink non-discharge;
in the process of printing the first intermediate layer, when the ink jet unit scans along the main scanning direction once every time, the ink jet state of the ink jet unit corresponding to the first intermediate layer is ink discharge, and the ink jet states of the other ink jet units are ink non-discharge;
in the process of printing the second intermediate layer, when the ink jet unit scans along the main scanning direction once every time, the ink jet state of the ink jet unit corresponding to the second intermediate layer is ink discharge, and the ink jet states of the other ink jet units are ink non-discharge;
in the process of printing the third intermediate layer, when the ink jet unit scans along the main scanning direction once every time, the ink jet state of the ink jet unit corresponding to the third intermediate layer is ink discharge, and the ink jet states of the other ink jet units are ink non-discharge;
in the process of printing the second color image layer, the ink jetting state of the ink jetting unit corresponding to the second color image layer is ink discharging when the ink jetting unit scans once along the main scanning direction, and the ink jetting state of the rest of the ink jetting units is ink non-discharging.
6. A method for printing double-sided images by using the same-row nozzles as in claim 3, wherein the inkjet printing is performed in an Onepass scanning manner, the cover layer comprises a first color image layer, a first intermediate layer and a second color image layer which are sequentially covered, the first color image layer and the second color image layer are formed by covering cyan ink, magenta ink, yellow ink and black ink in a combination manner, the first intermediate layer is formed by covering white ink, the inkjet units are arranged in the covering sequence of the cover layer corresponding to the inkjet units along the scanning direction, and the method for determining the inkjet state of each inkjet unit in each scanning time along the main scanning direction according to the inkjet sequence is as follows: the ink ejection states of the ink ejection units corresponding to the respective blanket layers are all discharged during each scanning of the ink ejection units in the main scanning direction.
7. A method of printing duplex images from nozzles in the same row as in claim 3, it is characterized in that the scanning mode of the ink-jet printing is an Oneepass scanning mode, the covering layer comprises a first color image layer, a first middle layer, a second middle layer, a third middle layer and a second color image layer which are sequentially covered, the first color image layer and the second color image layer are formed by covering cyan ink, magenta ink, yellow ink and black ink, the first intermediate layer and the third intermediate layer are formed by covering with white ink, the second intermediate layer is formed by covering with a combination of black ink, the ink jet units are arranged along the scanning direction according to the covering sequence of the covering layer corresponding to the ink jet units, and the method for determining the ink jet state of each ink jet unit when each ink jet unit is scanned once along the main scanning direction according to the ink jet sequence comprises the following steps: the ink ejection states of the ink ejection units corresponding to the respective blanket layers are all discharged during each scanning of the ink ejection units in the main scanning direction.
8. Device for printing double-sided images with nozzles in the same row, characterized in that the device comprises:
the covering sequence acquisition module is used for acquiring the covering sequence of each covering layer of the image to be printed;
the ink jet printing and ink jet sequence determining module is used for determining the ink jet unit for printing each covering layer and the ink jet sequence of each ink jet unit according to the covering sequence of each covering layer of the image to be printed;
the ink jetting state determining module is used for determining the ink jetting state of each ink jetting unit when each ink jetting unit scans once along the main scanning direction according to the ink jetting sequence;
the ink jet printing module is used for controlling the corresponding ink jet unit to perform ink jet printing on a printing medium according to the ink jet state;
the ink-jet state comprises an ink-out state and an ink-out state, the covering layer comprises an intermediate layer and a color image layer, the ink-jet unit comprises an intermediate layer printing unit for printing the intermediate layer and a color layer printing unit for printing the color image layer, and the printing medium is a transparent medium or a semitransparent medium.
9. Apparatus for printing double-sided images with nozzles in the same row, 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 1-7.
10. A storage medium having computer program instructions stored thereon, which when executed by a processor implement the method of any one of claims 1-7.
CN201911122385.8A 2019-11-15 2019-11-15 Method, device and equipment for printing double-sided images by using same-row nozzles and storage medium Pending CN110901251A (en)

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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
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