CN108357208B - Adjust method, apparatus, equipment and the medium of pre-press data compensation abnormal nozzle - Google Patents
Adjust method, apparatus, equipment and the medium of pre-press data compensation abnormal nozzle Download PDFInfo
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- CN108357208B CN108357208B CN201810046388.7A CN201810046388A CN108357208B CN 108357208 B CN108357208 B CN 108357208B CN 201810046388 A CN201810046388 A CN 201810046388A CN 108357208 B CN108357208 B CN 108357208B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/07—Ink jet characterised by jet control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/07—Ink jet characterised by jet control
- B41J2/12—Ink jet characterised by jet control testing or correcting charge or deflection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/07—Ink jet characterised by jet control
- B41J2/125—Sensors, e.g. deflection sensors
-
- 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
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Abstract
The embodiment of the present invention adjusts method, apparatus, equipment and the medium of pre-press data compensation abnormal nozzle.This method comprises: determining the location information of abnormal nozzle in spray head；Print parameters are obtained, determine the mapping relations in the nozzle location and original print data file between data to be printed；According to the mapping relations and the location information of the abnormal nozzle, the compensation print data range compensated to the corresponding exception of abnormal nozzle data to be printed is obtained；Non- inking data out is determined within the scope of the compensation print data；The exception data replacement to be printed non-inking data out is generated into compensation print data.According to the technical solution of the present invention, the print data for effectively compensating for abnormal nozzle improves the quality of print image.
Description
Technical field
The present invention relates to inkjet printing technology field more particularly to a kind of sides of adjustment pre-press data compensation abnormal nozzle
Method, device, equipment and medium.
Background technique
Inkjet printing, which refers to, is ejected into ink droplet on print media to obtain image or text by the nozzle on spray head.It is past
Duplex-scanning printing technique is the current common technology in inkjet printing field, and reciprocating scanning and printing is also referred to as more pass scannings and beats
Print, more pass scanning and printings refer to that each unit of image to be printed will carry out multiple interpolation and could print completion, Mei Gedan
Member is all made of multiple pixels, and each unit is made of 2 pixels if 2pass scanning and printing, and 3pass scanning and printing is then
Each unit is made of 3 pixels.If Fig. 1 is the schematic diagram of 4pass scanning and printing, a certain region A of image to be printed (or
Person is referred to as one block of image) need 4 coverings printing to complete, region A is made of several units N, and each unit N is by 4 pictures
Vegetarian refreshments composition；It is data block A1, data block A2, data block A3 and data block A4,4 numbers respectively that the data of region A, which are divided into 4 parts,
It is printed respectively by the different spray nozzles of spray head according to block, the L1 of the moving direction of print media as shown in figure 1, the moving direction of spray head
G1 as shown in figure 1.For spray head in 1pass, the data block A1 of region A carries out printing completion by the part Q1 of spray head；Printing is situated between
Equal length of the part Q1 of moving distance and spray head of the matter in 1pass on the direction L1, spray head is in 2pass, region A
Data block A2 printing completion is carried out by the part Q2 of spray head；Print media move again it is equal with spray head Q2 partial-length away from
From for spray head in 3pass, the data block A3 of region A carries out printing completion by the part Q3 of spray head；Print media is moved and is sprayed again
The equal distance of head Q3 partial-length, in 4pass, the data block A4 of region A printed by the part Q4 of spray head spray head
At.Just print completion by the region A that 4 times of spray head different parts cover image to be printed, printing complete region A it is corresponding that
Block image.
Inkjet printer head worked after a very long time, due to originals such as ink road pollution, ink deposition, dust, steam
Situations such as cause easily causes spray nozzle abnormal state, these exceptions spray such as blocking, tiltedly, is apprehensive, black amount is insufficient, so as to cause beating
There is the problems such as bracing wire, blank in the image of print, seriously affects the quality of product.
When spray nozzle abnormal state, the prior art but is being cleaned by cleaning, pressing ink and wipe to dredge nozzle
In the process, it would still be possible to have Partial Blocking nozzle that can not clean out, only in the case where several nozzles, moreover it is possible to carry out reluctantly
Production, but for requiring the imaging product of high-quality accuracy of measurement, there is still a need for replacement spray heads；If the quantity of nozzle is more than whole
The 10% of a nozzle quantity, then this spray head just has to replace.When only because small part condition of nozzles is abnormal and leads
Cause entire spray head it is to be replaced fall, not only influence manufacturing schedule in this way, and easily replacement spray head also considerably increase production
Cost.
Summary of the invention
The embodiment of the invention provides adjustment pre-press data compensation abnormal nozzle method, apparatus, equipment and medium, to
Solve the problems, such as that anomalous effects print image quality occurs in the nozzle of inkjet printer head in the prior art.
In a first aspect, the embodiment of the invention provides a kind of method of adjustment pre-press data compensation abnormal nozzle, the side
Method includes:
Determine the location information of abnormal nozzle in spray head；
Print parameters are obtained, determine the mapping in the nozzle location and original print data file between data to be printed
Relationship；
According to the mapping relations and the abnormal nozzle location information, obtain to the corresponding exception of the abnormal nozzle to
The compensation print data range that print data compensates；
Non- inking data out is determined within the scope of the compensation print data；
The exception data replacement to be printed non-inking data out is generated into compensation print data.
Preferably, the compensation print data range is by with several printings of exception data grid technology to be printed
Data composition.
Preferably, the compensation print data range be with the first connected domain of exception data grid technology to be printed or
Second connected domain, first connected domain include exception data to be printed, and second connected domain does not include the exception
Data to be printed.
Preferably, the compensation print data range is with the non-interconnected domain of exception data grid technology to be printed.
Preferably, described to determine that non-data out of ink include: within the scope of the compensation print data
It determines the alternative non-inking data out in the compensation print data range, and judges the alternative non-inking data energy out
It is no to be used to compensate exception data to be printed；
If can, it is chosen described in physical printed positional distance from all alternative non-inking datas out that can be used for compensating
The nearest non-inking data out in the corresponding physical printed position of exception data to be printed.
Preferably, the alternative non-inking data out in the determination compensation print data range, and judge described alternative
Can non-inking data out be used to compensate exception data to be printed and include:
When judging printing subdata alternative in the compensation print data range is non-inking data out, then can be used for
Compensate exception data to be printed, it is determined that for the alternative non-inking data out；
According to the mapping relations find it is described it is alternative it is non-go out the corresponding nozzle of inking data, if the nozzle normally if it is described
Alternative non-inking data out can be used to compensate exception data to be printed.
Preferably, the method also includes: according to the mapping relations, export the compensation print data and spray to compensating
Mouth.
Second aspect, the embodiment of the invention provides a kind of device of adjustment pre-press data compensation abnormal nozzle, device packets
It includes:
Abnormal nozzle position determination module, for determining abnormal nozzle location information in spray head；
Mapping relations establish module, for obtaining print parameters, determine the nozzle location and original print data file
In mapping relations between data to be printed；
It compensates print data range and obtains module, be used for according to the mapping relations and the abnormal nozzle location information,
Obtain the compensation print data range compensated to the corresponding exception of abnormal nozzle data to be printed；
Non- data determining module out of ink, for determining non-inking data out within the scope of the compensation print data；
Print data determining module is compensated, is mended for generating the exception data replacement to be printed non-inking data out
Repay print data.
The third aspect, the embodiment of the invention provides a kind of adjustment pre-press datas to compensate abnormal nozzle equipment, comprising: at least
One processor, at least one processor and computer program instructions stored in memory, work as computer program instructions
The method such as first aspect in above embodiment is realized when being executed by processor.
Fourth aspect, the embodiment of the invention provides a kind of storage mediums, are stored thereon with computer program instructions, work as meter
The method such as first aspect in above embodiment is realized when calculation machine program instruction is executed by processor.
Method, apparatus, equipment and the medium of adjustment pre-press data compensation abnormal nozzle provided in an embodiment of the present invention, not only
The problem of abnormal nozzle exception out of ink leads to poor quality images has been repaired, and has reduced blow head maintenance cost.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will make below to required in the embodiment of the present invention
Attached drawing is briefly described, for those of ordinary skill in the art, without creative efforts, also
Other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 is the schematic diagram that reciprocating scanning and printing is 4pass scanning and printing in the ink-jet printer of the prior art.
Fig. 2 is the flow chart of the method for the adjustment pre-press data compensation abnormal nozzle of the embodiment of the present invention.
Fig. 3 is the spray head schematic diagram of the method for the adjustment pre-press data compensation abnormal nozzle of the embodiment of the present invention.
Fig. 4 is the schematic diagram of the mapping relations of the method for the adjustment pre-press data compensation abnormal nozzle of the embodiment of the present invention.
Fig. 5 is that the compensation print data range of the method for the adjustment pre-press data compensation abnormal nozzle of the embodiment of the present invention is
The schematic diagram of connected domain.
Fig. 6 is that the compensation print data range of the method for the adjustment pre-press data compensation abnormal nozzle of the embodiment of the present invention is
The schematic diagram of connected domain.
Fig. 7 is that the compensation print data range of the method for the adjustment pre-press data compensation abnormal nozzle of the embodiment of the present invention is
The schematic diagram of connected domain.
Fig. 8 is that the compensation print data range of the method for the adjustment pre-press data compensation abnormal nozzle of the embodiment of the present invention is
The schematic diagram in non-interconnected domain.
Fig. 9 is that the compensation print data range of the method for the adjustment pre-press data compensation abnormal nozzle of the embodiment of the present invention is
The schematic diagram in non-interconnected domain.
4 connections when Figure 10 is the 4pass printing of the method for the adjustment pre-press data compensation abnormal nozzle of the embodiment of the present invention
The compensation abnormal nozzle schematic diagram in domain.
8 connections when Figure 11 is the 6pass printing of the method for the adjustment pre-press data compensation abnormal nozzle of the embodiment of the present invention
The compensation abnormal nozzle schematic diagram in domain.
14 connections when Figure 12 is the 6pass printing of the method for the adjustment pre-press data compensation abnormal nozzle of the embodiment of the present invention
The compensation abnormal nozzle schematic diagram in domain.
Figure 13 is the structural schematic diagram of the device of the adjustment pre-press data compensation abnormal nozzle of the embodiment of the present invention.
Figure 14 is the ink jet printing process figure of the method for the adjustment pre-press data compensation abnormal nozzle of the embodiment of the present invention.
Figure 15 is the structural schematic diagram of the equipment of the adjustment pre-press data compensation abnormal nozzle of the embodiment of the present invention.
Specific embodiment
The feature and exemplary embodiment of various aspects of the invention is described more fully below, in order to make mesh of the invention
, technical solution and advantage be more clearly understood, with reference to the accompanying drawings and embodiments, the present invention is further retouched in detail
It states.It should be understood that specific embodiment described herein is only configured to explain the present invention, it is not configured as limiting the present invention.
To those skilled in the art, the present invention can be real in the case where not needing some details in these details
It applies.Below the description of embodiment is used for the purpose of better understanding the present invention to provide by showing example of the invention.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence " including ... ", it is not excluded that including
There is also other identical elements in the process, method, article or equipment of the element.
Fig. 2 is referred to, the embodiment of the invention provides a kind of method of adjustment pre-press data compensation abnormal nozzle, this method
When mainly occurring abnormal to the nozzle of inkjet printer head, compensates, to realize normal print image, do not influence image
Image quality on the print medium.The adjustment pre-press data compensation abnormal nozzle method include:
Determine the location information of abnormal nozzle in spray head；
Print parameters are obtained, determine the mapping in the nozzle location and original print data file between data to be printed
Relationship；
According to the mapping relations and the abnormal nozzle location information, obtain to the corresponding exception of the abnormal nozzle to
The compensation print data range that print data compensates；
Non- inking data out is determined within the scope of the compensation print data；
The exception data replacement to be printed non-inking data out is generated into compensation print data.
Preferably, the compensation print data range is by with several printings of exception data grid technology to be printed
Data composition.
Preferably, the compensation print data range be with the first connected domain of exception data grid technology to be printed or
Second connected domain, first connected domain include exception data to be printed, and second connected domain does not include the exception
Data to be printed.
Preferably, the compensation print data range is with the non-interconnected domain of exception data grid technology to be printed.
Preferably, described to determine that non-data out of ink include: within the scope of the compensation print data
It determines the alternative non-inking data out in the compensation print data range, and judges the alternative non-inking data energy out
It is no to be used to compensate exception data to be printed；
If can, it is chosen described in physical printed positional distance from all alternative non-inking datas out that can be used for compensating
The nearest non-inking data out in the corresponding physical printed position of exception data to be printed.
Preferably, the alternative non-inking data out in the determination compensation print data range, and judge described alternative
Can non-inking data out be used to compensate exception data to be printed and include:
When judging printing subdata alternative in the compensation print data range is non-inking data out, then can be used for
Compensate exception data to be printed, it is determined that for the alternative non-inking data out；
According to the mapping relations find it is described it is alternative it is non-go out the corresponding nozzle of inking data, if the nozzle normally if it is described
Alternative non-inking data out can be used to compensate exception data to be printed.
Preferably, the method also includes: according to the mapping relations, export the compensation print data and spray to compensating
Mouth.
Specifically, abnormal nozzle location information in spray head is determined, in the present embodiment, by printing head state diagram,
Determine the specific location of each abnormality of head nozzle, the spray head state diagram is for determining each abnormal nozzle in each spray head
Location information and the test chart designed.Referring to Fig. 3, in the present embodiment, the spray head 400 includes 4 channel difference
For first passage 410, second channel 420, third channel 430 and fourth lane 440, the color of each pass print one kind, often
There are several nozzles in a channel, it is assumed that there is v nozzle in each channel, when abnormal nozzle phenomenon does not occur in spray head 400, then beats
The state diagram of print is made of 4v line segment, and each line segment has a station location marker, and each line segment is by a nozzle independence
Printing is formed；When there is abnormal nozzle in spray head 400, the state diagram of printing just will appear apparent missing line segment situation, this
When according to missing line segment station location marker it is known that abnormal nozzle more specific location information.In another embodiment, described
Spray head 400 only includes a channel, and multiple spray heads 400, a kind of each color of nozzle printing are equipped in printer.Wherein,
It can detect in spray head whether have abnormal nozzle by sensor, be not specifically limited herein.
Print parameters are obtained, determine the mapping in the nozzle location and original print data file between data to be printed
Relationship, in the present embodiment, the print parameters include the precision of spray head precision and image to be printed, and reciprocating scanning is arranged and beats
The number of print is denoted as Kpass, and K is the natural number greater than zero, and such as number of reciprocating scanning and printing is denoted as 4pass for 4 times, back and forth
The number of formula scanning and printing is denoted as 2pass for 2 times；Nozzle location in spray head is determined according to the number of the reciprocating scanning and printing
The mapping relations are denoted as f herein by the mapping relations between data to be printed in the original print data file.
The mapping relationship f is established by following steps: first will according to the number Kpass of the reciprocating scanning and printing
The some region of image data of image to be printed is divided equally into K parts of data blocks, and the height of every part of data block is all equal, often
The width of part data block is also equal, and the data block includes X row data, and X is the natural number greater than zero, by K parts of data blocks
It is arranged by page order and is denoted as data block D respectively1, data block D2... data block Dk；Then the nozzle in a certain channel is pressed
Page orientation is divided equally into K parts and is denoted as mentioned nozzle area J respectively1, mentioned nozzle area J2... mentioned nozzle area JK, every part of mentioned nozzle area
The nozzle quantity for including is equal, and the value for the nozzle quantity that the height of the data block and the mentioned nozzle area include is equal, then institute
State mapping relationship f are as follows: mentioned nozzle area JkX-th of nozzle print data block D (k) xth row data.
According to the mapping relationship f, it is known that the available abnormal nozzle of abnormal nozzle location information is corresponding
Abnormal nozzle print data, when the known abnormal nozzle print data is according to the available exception of the mapping relationship f
Nozzle location information.Referring to Fig. 4, in the present embodiment, the image 4pass printing to be printed is completed, the figure to be printed
It include the first data block D1, the second data block D2, the as the image data D in a certain channel in a certain region is divided equally into four parts of data blocks
Three data block D3 and the 4th data block D4, every part of data block includes 3 row data；The nozzle in a certain channel is pressed into page orientation
It includes first jet region J1, second nozzle region J2, the spray of third mentioned nozzle area J3 and the 4th that L2, which is divided equally into four parts of mentioned nozzle areas,
Mouth region J4, every part of mentioned nozzle area include 3 nozzles；3 nozzles of 1pass, the first jet region J1 are distinguished
Print the 3 row data of the first data block D1；Second described in 3 nozzle prints of 2pass, the second nozzle region J2
The 3 row data of data block D2；3pass, 3 of third data block D3 described in the 3 row nozzle prints of the third mentioned nozzle area J3
Row data；4pass, the 3 row data of the 4th data block D4 described in 3 nozzle prints of the 4th mentioned nozzle area J4.
According to the abnormal nozzle location information and the mapping relationship f, the corresponding abnormal spray of the abnormal nozzle is determined
Mouth print data, obtains the compensation print data range compensated to exception data to be printed, and the compensation prints number
According to several print datas that range is centered on the abnormal nozzle print data.
Referring to Fig. 5, in the present embodiment, the compensation print data range is with abnormal nozzle data to be printed
Centered on the first connected domain, first connected domain include exception data to be printed, in the present embodiment, M0It is described
Abnormal nozzle print data, M7、M8、M9、M12、M0、M13、M16、M17、M18Forming the first connected domain is the compensation print data model
It encloses, the compensation print data range includes the abnormal nozzle print data M0.Referring to Fig. 6, in the present embodiment, E0For
The abnormal nozzle print data, E3、E7、E8、E9、E11、E12、E0、E13、E14、E16、E17、E18、E22The connected domain of composition is institute
Compensation print data range is stated, the compensation print data range includes the abnormal nozzle print data E0。
Referring to Fig. 7, the compensation print data range is the second connection with exception data grid technology to be printed
Domain, second connected domain do not include abnormal nozzle data to be printed.In the present embodiment, G0It is beaten for the abnormal nozzle
Printing evidence, G1、G2、G3、G4、G5、G6、G10、G11、G0、G14、G15、G19、G20、G21、G22、G23、G24The connected domain of composition is described
Compensation range, the compensation range do not include the abnormal nozzle print data G0。
Referring to Fig. 8, the compensation print data range be with the non-interconnected domain of exception data grid technology to be printed,
In the present embodiment, B0For the abnormal nozzle print data, B1、B2、B4、B5、B6、B10、B15、B19、B20、B21、B23、B24Composition
Non-interconnected domain be the compensation print data range, the compensation print data range not comprising the abnormal nozzle printing number
According to B0.Referring to Fig. 9, in the present embodiment, C0For the abnormal nozzle print data, C1、C2、C3、C5、C6、C7、C8、C14、
C15、C17、C18、C19、C21、C24、C0、C25、C28、C30、C31、C32、C34、C35、C41、C42、C43、C44、C46、C47、C48What is formed is non-
Connected domain is the compensation print data range, and the compensation print data range includes the abnormal nozzle print data C0。
Wherein the compensation print data range is determined according to the acceptable precision of client, the compensation print data model
Enclose bigger, the chance that the abnormal nozzle print data can compensate is more, but the precision of print image can be deteriorated, in this institute
Compensation print data range is stated to be not specifically limited.
Non- inking data out is determined within the scope of the compensation print data, comprising: determine the compensation print data range
In it is alternative it is non-go out inking data, and judge it is described it is alternative it is non-go out inking data can be used to compensate exception data to be printed；
If can, it is chosen described in physical printed positional distance from all alternative non-inking datas out that can be used for compensating
The nearest non-inking data out in the corresponding physical printed position of exception data to be printed.
For it is described compensation print data range in some printing subdata, judge the printing subdata whether table
Ink is shown, if it is exactly inking data that the printing subdatasheet, which shows ink i.e. printing subdata, the printing subdata is not
The abnormal nozzle print data can be compensated；
If the printing subdatasheet show it is not out of ink i.e. it is alternative it is non-go out inking data, according to the printing subdata and described
Mapping relationship f obtains the corresponding nozzle of the printing subdata, judges whether the nozzle is abnormal；When the nozzle,
The printing subdata cannot compensate the abnormal nozzle print data, when the nozzle is normal, the printing subdata
The abnormal nozzle print data can be compensated.
According to the judgment method of printing subdata described above, it is described to detect each of described compensation print data range
Subdata is printed, the number that determination can compensate the printing subdata of the abnormal nozzle print data is i.e. alternative non-out of ink
Data amount check；
When there are multiple printing subdatas that can compensate the abnormal nozzle print data, the printing subnumber is determined
According to corresponding print position, it is closer to choose print position the abnormity point position corresponding from the abnormal nozzle print data
The corresponding printing subdata of print position is as the print position for compensating the abnormal nozzle print data, the printing position
Corresponding nozzle is set as compensation nozzle, the non-inking data out that exception data to be printed replace the compensation nozzle is generated and is mended
Repay print data.
Referring to Fig. 10, in the present embodiment, the image 6pass printing to be printed is completed, the precision to image
For 720DPI × 600DPI, i.e., laterally the distance between two corresponding print positions of printing subdata are 1/720 English in grid
Very little, the distance between longitudinal two corresponding print positions of printing subdata are 1/600 inch, it is assumed that some abnormal nozzle according to
The abnormal nozzle data x0 obtained according to the mapping relationship f, 4 connections centered on the abnormal nozzle print data x0
As compensation print data range, the compensation print data range includes that 4 printing subdatas are respectively the 1st printing subnumber in domain
According to x1, the 2nd printing subdata x2, the 3rd printing subdata x3 and the 4th printing subdata x4, it is assumed that detect that the only the 2nd seals
The printing of data x2 and the 4th subdata x4 can compensate for the abnormal nozzle data and the 2nd printing subdata x2 and the 4th is printed
The corresponding nozzle of subdata x4 is all normally, by calculating the corresponding print position of the 2nd printing subdata x2 from described
The corresponding abnormal point of abnormal nozzle data is closer, so the corresponding nozzle of the 2nd printing subdata x2 can compensate
The abnormal nozzle data, by abnormal nozzle data x0 replacement the 2nd printing subdata x2 to the 2nd printing subnumber
According in the corresponding compensation nozzle of x2.
Figure 11 is please referred to, in the present embodiment, the image 6pass printing to be printed is completed, the precision to image
For 720DPI × 1080DPI, i.e., laterally the distance between two corresponding print positions of printing subdata are 1/720 English in grid
Very little, the distance between longitudinal two corresponding print positions of printing subdata are 1/1080 inch, it is assumed that some abnormal nozzle
Connect according to the abnormal nozzle data y0 that the mapping relationship f obtains, 8 centered on the abnormal nozzle print data y0
Then there are 8 printing subdatas in logical domain as compensation print data range within the scope of the compensation print data, and respectively the
1 printing subdata y1, the 2nd printing subdata y2, the 3rd printing subdata y3, the 4th printing subdata y4, the 5th printing subdata
Y5, the 6th printing subdata y6, the 7th printing subdata y7 and the 8th printing subdata y8, it is assumed that detected the 1st printing subdata
Y1, the 5th printing subdata y5 and the 7th printing subdata y7 can compensate for the abnormal nozzle data and the 1st printing subdata y1,
5th printing subdata y5 and the corresponding nozzle of the 7th printing subdata y7 are all normally, to pass through and calculate the 7th printing subdata
The corresponding print position of y7 being closer from the corresponding abnormal point of abnormal nozzle data, so the 7th printing subnumber
The abnormal nozzle data can be compensated according to the corresponding nozzle of y7, abnormal nozzle data y0 replacement the described 7th is sealed
Data y7 is into the corresponding compensation nozzle of the 7th printing subdata y7.
Figure 12 is please referred to, in the present embodiment, the image 6pass printing to be printed is completed, the precision to image
For 360DPI × 1800DPI, i.e., laterally the distance between two corresponding print positions of printing subdata are 1/360 English in grid
Very little, the distance between longitudinal two corresponding print positions of printing subdata are 1/1800 inch, it is assumed that some abnormal nozzle
According to the abnormal nozzle data z0 that the mapping relationship f obtains, centered on the abnormal nozzle print data z0 14
Connected domain then has 14 printing subdatas as compensation print data range within the scope of the compensation print data, respectively
For the 1st printing subdata z1, the 2nd printing subdata z2, the 3rd printing subdata z3, the 4th printing subdata z4, the 5th printing subnumber
According to z5, the 6th printing subdata z6, the 7th printing subdata z7, the 8th printing subdata z8, the 9th printing subdata z9, the 10th printing
Subdata z10, the 11st printing subdata z11, the 12nd printing subdata z12, the 13rd printing subdata z13 and the 14th printing subnumber
According to z14, setting has detected that the 2nd printing subdata z2, the 7th printing subdata z7 and the 8th printing subdata z8 can compensate for institute
It states abnormal nozzle data and the 2nd printing subdata z2, the 7th printing subdata z7 and the 8th prints the corresponding nozzle of subdata z8
Normally, the distance between the corresponding abnormal point of the abnormal nozzle data z0 and the corresponding print position of the 2nd printing subdata z2
It is 1/900 inch, between the corresponding abnormal point of the abnormal nozzle data z0 and the corresponding print position of the 7th printing subdata z7
Distance be 1/360 inch, the corresponding abnormal point of the abnormal nozzle data z0 and the corresponding printing position the 8th printing subdata z8
The distance between setting is 1/360 inch, then the corresponding print position of the 2nd printing subdata z2 is from the abnormal nozzle data
Corresponding abnormal point is closer, thus the 2nd printing subdata z2 compensate corresponding print position can compensate it is described
Abnormal nozzle data, by abnormal nozzle data z0 replacement the 2nd printing subdata z2 to the 2nd printing subdata z2
In corresponding compensation nozzle.
Figure 13 is please referred to, it is described the embodiment of the invention provides a kind of device of adjustment pre-press data compensation abnormal nozzle
Device includes:
Abnormal nozzle position determination module 10, for determining abnormal nozzle location information in spray head；
Mapping relations establish module 20, for obtaining print parameters, determine the nozzle location and original print data text
Mapping relations in part between data to be printed；
It compensates print data range and obtains module 30, for believing according to the mapping relations and the abnormal nozzle position
Breath obtains the compensation print data range compensated to the corresponding exception of abnormal nozzle data to be printed；
Non- data determining module out of ink 40, for determining non-inking data out within the scope of the compensation print data；
Print data determining module 50 is compensated, for generating the exception data replacement to be printed non-inking data out
Compensate print data.
Preferably, the compensation print data range is by with several printings of exception data grid technology to be printed
Data composition.
Preferably, the compensation print data range be with the first connected domain of exception data grid technology to be printed or
Second connected domain, first connected domain include exception data to be printed, and second connected domain does not include the exception
Data to be printed.
Preferably, the compensation print data range obtains module 30 further include: the compensation print data range be with
The non-interconnected domain of the exception data grid technology to be printed.
Preferably, the non-inking data 40 out comprises determining that the alternative non-number out of ink in the compensation print data range
According to, and judge that can the alternative non-inking data out be used to compensate exception data to be printed；
If can, it is chosen described in physical printed positional distance from all alternative non-inking datas out that can be used for compensating
The nearest non-inking data out in the corresponding physical printed position of exception data to be printed.
Preferably, it is described it is non-go out inking data 40 further include: when judging alternative in the compensation print data range beat
It when mark data are non-inking data out, then can be used to compensate exception data to be printed, it is determined that be described alternative non-out of ink
Data；
According to the mapping relations find it is described it is alternative it is non-go out the corresponding nozzle of inking data, if the nozzle normally if it is described
Alternative non-inking data out can be used to compensate exception data to be printed.
Preferably, described device further includes output module: according to the mapping relations, exporting the compensation print data extremely
Compensate nozzle.
Please refer to Figure 14, the embodiment of the invention provides a kind of ink jet printing devices, comprising: inkjet-printing device 200 and
Nozzle compensating unit 230, the inkjet-printing device 200 include: control unit 210, ejection head unit 221, nozzle detection unit
222, described control unit 210 controls the ejection head unit 221 and the nozzle detection unit 222, the nozzle detection unit
Whether the nozzle in the 222 detection ejection head units 221 is abnormal, if abnormal, feedback information to the nozzle compensating unit 230
Abnormal nozzle is compensated, the nozzle compensating unit 230 is sent to the control after compensating abnormal nozzle by adjusting pre-press data
Unit 210, it is out of ink that described control unit 210 controls the ejection head unit 221, wherein the nozzle compensating unit 230 is described
Adjustment pre-press data compensation abnormal nozzle device, the adjustment pre-press data compensation abnormal nozzle device specifically refer to before
The description of face embodiment, details are not described herein.Ink jet printing process is that data input cell 100 plays print data input ink-jet
The control unit 210 of print machine inkjet-printing device 200, control unit 210 receive print data control ejection head unit 221 and are printing
Ink-jet is carried out on medium 300.However, after inkjet printer head works a very long time, since ink road pollution, ink are heavy
The reasons such as shallow lake, dust, steam easily cause spray nozzle abnormal state, these abnormal such as blockings tiltedly spray, is apprehensive, black amount deficiency
There is the problems such as bracing wire, blank so as to cause the image of printing in situation.In order to solve due to the extremely caused image of condition of nozzles
There is the problems such as bracing wire, blank, the present invention is being added to nozzle detection list in inkjet-printing device 200 at ejection head unit 221
Nozzle compensation is added for detecting abnormal nozzle in member 222 between data input cell 100 and inkjet-printing device 200
Unit 230, the problem of for compensating abnormal nozzle.
In addition, in conjunction with Fig. 2 embodiment of the present invention described adjustment pre-press data compensate the method for abnormal nozzle can be by
Adjustment pre-press data compensates the equipment of abnormal nozzle to realize.Figure 15 shows adjustment pre-press data provided in an embodiment of the present invention
Compensate the hardware structural diagram of the equipment of abnormal nozzle.
The equipment of adjustment pre-press data compensation abnormal nozzle may include processor 401 and be stored with computer program and refer to
The memory 402 of order.
Specifically, above-mentioned processor 401 may include central processing unit (CPU) or specific integrated circuit
(Application Specific Integrated Circuit, ASIC), or may be configured to implement implementation of the present invention
One or more integrated circuits of example.
Memory 402 may include the mass storage for data or instruction.For example it rather than limits, memory
402 may include hard disk drive (Hard Disk Drive, HDD), floppy disk drive, flash memory, CD, magneto-optic disk, tape or logical
With the combination of universal serial bus (Universal Serial Bus, USB) driver or two or more the above.It is closing
In the case where suitable, memory 402 may include the medium of removable or non-removable (or fixed).In a suitable case, it stores
Device 402 can be inside or outside data processing equipment.In a particular embodiment, memory 402 is nonvolatile solid state storage
Device.In a particular embodiment, memory 402 includes read-only memory (ROM).In a suitable case, which can be mask
ROM, programming ROM (PROM), erasable PROM (EPROM), the electric erasable PROM (EEPROM), electrically-alterable ROM of programming
(EAROM) or the combination of flash memory or two or more the above.
Processor 401 is by reading and executing the computer program instructions stored in memory 402, to realize above-mentioned implementation
The method of any one adjustment pre-press data compensation abnormal nozzle in example.
In one example, the equipment of adjustment pre-press data compensation abnormal nozzle may also include communication interface 403 and bus
411.Wherein, as shown in figure 13, processor 401, memory 402, communication interface 403 are connected by bus 411 and are completed mutually
Between communication.
Communication interface 403 is mainly used for realizing in the embodiment of the present invention between each module, device, unit and/or equipment
Communication.
Bus 411 includes hardware, software or both, will adjust the component of the equipment of pre-press data compensation abnormal nozzle each other
It is coupled together.For example it rather than limits, bus may include accelerated graphics port (AGP) or other graphics bus, enhancing work
It is industry standard architecture (EISA) bus, front side bus (FSB), super transmission (HT) interconnection, Industry Standard Architecture (ISA) bus, unlimited
Bandwidth interconnection, low pin count (LPC) bus, memory bus, micro- channel architecture (MCA) bus, peripheral component interconnection (PCI) are total
Line, PCI-Express (PCI-X) bus, Serial Advanced Technology Attachment (SATA) bus, Video Electronics Standards Association part
(VLB) combination of bus or other suitable buses or two or more the above.In a suitable case, bus
411 may include one or more buses.Although specific bus has been described and illustrated in the embodiment of the present invention, the present invention considers to appoint
What suitable bus or interconnection.
In addition, the embodiment of the present invention can in conjunction with the method for the adjustment pre-press data compensation abnormal nozzle in above-described embodiment
A kind of computer readable storage medium is provided to realize.Computer program instructions are stored on the computer readable storage medium；
The computer program instructions realize that any one adjustment pre-press data compensation in above-described embodiment is abnormal when being executed by processor
The method of nozzle.
In conclusion the adjustment pre-press data compensation method, apparatus of abnormal nozzle provided in an embodiment of the present invention, equipment and
Storage medium has not only repaired the problem of abnormal nozzle exception out of ink leads to poor quality images, but also has reduced blow head maintenance
Cost.
It should be clear that the invention is not limited to specific configuration described above and shown in figure and processing.
For brevity, it is omitted here the detailed description to known method.In the above-described embodiments, several tools have been described and illustrated
The step of body, is as example.But method process of the invention is not limited to described and illustrated specific steps, this field
Technical staff can be variously modified, modification and addition after understanding spirit of the invention, or suitable between changing the step
Sequence.
Functional block shown in structures described above block diagram can be implemented as hardware, software, firmware or their group
It closes.When realizing in hardware, it may, for example, be electronic circuit, specific integrated circuit (ASIC), firmware appropriate, insert
Part, function card etc..When being realized with software mode, element of the invention is used to execute program or the generation of required task
Code section.Perhaps code segment can store in machine readable media program or the data-signal by carrying in carrier wave is passing
Defeated medium or communication links are sent." machine readable media " may include any medium for capableing of storage or transmission information.
The example of machine readable media includes electronic circuit, semiconductor memory devices, ROM, flash memory, erasable ROM (EROM), soft
Disk, CD-ROM, CD, hard disk, fiber medium, radio frequency (RF) link, etc..Code segment can be via such as internet, inline
The computer network of net etc. is downloaded.
It should also be noted that, the exemplary embodiment referred in the present invention, is retouched based on a series of step or device
State certain methods or system.But the present invention is not limited to the sequence of above-mentioned steps, that is to say, that can be according in embodiment
The sequence referred to executes step, may also be distinct from that the sequence in embodiment or several steps are performed simultaneously.
The above description is merely a specific embodiment, it is apparent to those skilled in the art that,
For convenience of description and succinctly, the system, module of foregoing description and the specific work process of unit can refer to preceding method
Corresponding process in embodiment, details are not described herein.It should be understood that scope of protection of the present invention is not limited thereto, it is any to be familiar with
Those skilled in the art in the technical scope disclosed by the present invention, can readily occur in various equivalent modifications or substitutions,
These modifications or substitutions should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of method of adjustment pre-press data compensation abnormal nozzle, which is characterized in that the described method includes:
Determine abnormal nozzle location information in spray head；
Print parameters are obtained, determine the mapping relations in nozzle location and original print data file between data to be printed；
According to the mapping relations and the abnormal nozzle location information, obtain to be printed to the corresponding exception of the abnormal nozzle
The compensation print data range that data compensate；
Non- inking data out is determined within the scope of the compensation print data；
The exception data replacement to be printed non-inking data out is generated into compensation print data.
2. the method for adjustment pre-press data compensation abnormal nozzle according to claim 1, which is characterized in that the compensation is beaten
Print data area is made of several print datas with exception data grid technology to be printed.
3. the method for adjustment pre-press data compensation abnormal nozzle according to claim 2, which is characterized in that the compensation is beaten
Print data area is the first connected domain or the second connected domain with exception data grid technology to be printed, first connected domain
Comprising exception data to be printed, second connected domain does not include exception data to be printed.
4. the method for adjustment pre-press data compensation abnormal nozzle according to claim 2, which is characterized in that the compensation is beaten
Printing data area is with the non-interconnected domain of exception data grid technology to be printed.
5. the method for adjustment pre-press data compensation abnormal nozzle according to claim 1, which is characterized in that described described
Determine that non-data out of ink include: within the scope of compensation print data
It determines the alternative non-inking data out in the compensation print data range, and judges that can the alternative non-inking data out be used
In the compensation exception data to be printed；
If can, it is chosen from all alternative non-inking datas out that can be used for compensating abnormal described in physical printed positional distance
The corresponding physical printed position of data to be printed it is nearest it is non-go out inking data.
6. the method for adjustment pre-press data compensation abnormal nozzle according to claim 5, which is characterized in that the determining institute
The alternative non-inking data out in compensation print data range is stated, and it is described to judge that can the alternative non-inking data out be used to compensate
Abnormal data to be printed, comprising:
When judging printing subdata alternative in the compensation print data range is non-inking data out, then can be used to compensate
The exception data to be printed, it is determined that for the alternative non-inking data out；
According to the mapping relations find it is described it is alternative it is non-go out the corresponding nozzle of inking data, if the nozzle normally if it is described alternative
Non- inking data out can be used to compensate exception data to be printed.
7. the method for adjustment pre-press data compensation abnormal nozzle according to any one of claims 1 to 6, which is characterized in that
The method also includes:
According to the mapping relations, the compensation print data is exported to compensating nozzle.
8. a kind of device of adjustment pre-press data compensation abnormal nozzle, which is characterized in that described device includes:
Abnormal nozzle position determination module, for determining abnormal nozzle location information in spray head；
Mapping relations establish module, for obtaining print parameters, determine nozzle location with it is to be printed in original print data file
Mapping relations between data；
It compensates print data range and obtains module, for obtaining according to the mapping relations and the abnormal nozzle location information
The compensation print data range that the corresponding exception of abnormal nozzle data to be printed are compensated；
Non- data determining module out of ink, for determining non-inking data out within the scope of the compensation print data；
Print data determining module is compensated, is beaten for the exception data replacement to be printed non-inking data out to be generated compensation
Printing evidence.
9. a kind of ink jet printing device characterized by comprising at least one processor, at least one processor and storage
Computer program instructions in the memory are realized when the computer program instructions are executed by the processor as weighed
Benefit requires the described in any item methods of 1-7.
10. a kind of computer readable storage medium, is stored thereon with computer program instructions, which is characterized in that when the calculating
Such as method of any of claims 1-7 is realized when machine program instruction is executed by processor.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810046388.7A CN108357208B (en) | 2018-01-17 | 2018-01-17 | Adjust method, apparatus, equipment and the medium of pre-press data compensation abnormal nozzle |
| US16/960,885 US11285734B2 (en) | 2018-01-17 | 2019-01-16 | Compensation method and device for nozzle abnormality, and printer |
| EP19741337.0A EP3741568A4 (en) | 2018-01-17 | 2019-01-16 | Nozzle abnormality compensation method, device, and printer |
| KR1020207022391A KR102471260B1 (en) | 2018-01-17 | 2019-01-16 | How to compensate for nozzle anomalies |
| PCT/CN2019/071922 WO2019141180A1 (en) | 2018-01-17 | 2019-01-16 | Nozzle abnormality compensation method, device, and printer |
| JP2020539256A JP6953639B2 (en) | 2018-01-17 | 2019-01-16 | Abnormal nozzle correction method, correction device and printer |
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| CN201810046388.7A CN108357208B (en) | 2018-01-17 | 2018-01-17 | Adjust method, apparatus, equipment and the medium of pre-press data compensation abnormal nozzle |
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| CN108357208B true CN108357208B (en) | 2019-08-09 |
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| JP6953639B2 (en) * | 2018-01-17 | 2021-10-27 | 深▲せん▼市漢森軟件有限公司Ｓｈｅｎｚｈｅｎ Ｈｏｓｏｎｓｏｆｔ Ｃｏ．，Ｌｔｄ． | Abnormal nozzle correction method, correction device and printer |
| CN109254742B (en) * | 2018-10-13 | 2021-11-09 | 深圳市汉森软件有限公司 | Ink jet printing method, ink jet printing apparatus, and ink jet printing apparatus |
| CN110202933B (en) * | 2019-06-20 | 2021-01-01 | 森大（深圳）技术有限公司 | Method, device, equipment and medium for adjusting ink output to compensate abnormal nozzle |
| EP3871892B1 (en) * | 2020-02-28 | 2022-02-09 | Heidelberger Druckmaschinen AG | Detektion method to minimize maculature |
| CN114385094B (en) * | 2020-10-16 | 2023-07-14 | 深圳市汉森软件有限公司 | Onepass printing abnormal nozzle compensation method, device, equipment and medium |
| CN114559741B (en) * | 2020-11-27 | 2023-07-14 | 深圳市汉森软件有限公司 | Multilayer image overlapped ink outlet dot printing method, device, equipment and storage medium |
| CN115447282B (en) * | 2021-06-08 | 2023-08-15 | 深圳市汉森软件有限公司 | Abnormal nozzle compensation printing method, device, equipment and storage medium |
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| CN1248854C (en) * | 2001-04-02 | 2006-04-05 | 明基电通股份有限公司 | Ink jet printer with nozzle compensation function |
| CN1657291A (en) * | 2001-04-02 | 2005-08-24 | 明基电通股份有限公司 | Ink-jet printer having nozzle abnormal compensating function |
| JP4164305B2 (en) * | 2002-07-24 | 2008-10-15 | キヤノン株式会社 | Inkjet recording method and inkjet recording apparatus |
| JP4018598B2 (en) * | 2003-06-16 | 2007-12-05 | キヤノン株式会社 | Inkjet recording apparatus and inkjet recording method |
| JP4262165B2 (en) * | 2003-09-03 | 2009-05-13 | キヤノン株式会社 | Recording apparatus and data processing method |
| WO2006036023A1 (en) * | 2004-09-30 | 2006-04-06 | Seiko Epson Corporation | Image forming apparatus, image forming program, image forming method, data generating apparatus, data generating program, data generating method, and recording medium with the program recorded therein |
| CN1810508A (en) * | 2005-01-28 | 2006-08-02 | 精工爱普生株式会社 | Printing device, printing device control method, print data generation device, and print data generation method |
| KR20070000685A (en) * | 2005-06-28 | 2007-01-03 | 삼성전자주식회사 | Apparatus and method for compensating for bad pixel |
| JP5863548B2 (en) * | 2012-04-23 | 2016-02-16 | 富士フイルム株式会社 | Image processing method, image processing apparatus, image forming apparatus, and ink jet recording apparatus |
| US9573382B1 (en) * | 2016-03-02 | 2017-02-21 | Xerox Corporation | System and method for missing inkjet compensation in a multi-level inkjet printer |
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