CN108556483B - Modify method, apparatus, equipment and the medium of pre-press data compensation abnormal nozzle - Google Patents
Modify method, apparatus, equipment and the medium of pre-press data compensation abnormal nozzle Download PDFInfo
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- CN108556483B CN108556483B CN201810046389.1A CN201810046389A CN108556483B CN 108556483 B CN108556483 B CN 108556483B CN 201810046389 A CN201810046389 A CN 201810046389A CN 108556483 B CN108556483 B CN 108556483B
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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
-
- 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
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- Ink Jet (AREA)
Abstract
The embodiment of the present invention modifies 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 modification 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 K, and each unit K 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
Z1 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, area
The data block A2 of domain A carries out printing completion by the part Q2 of spray head；Print media moves equal with spray head Q2 partial-length again
Distance, 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 moves again
The distance equal with spray head Q3 partial-length, in 4pass, the data block A4 of region A is carried out spray head by the part Q4 of spray head
Printing is completed.The region A of image to be printed is covered by 4 times of spray head different parts, that corresponding block figure of region A is completed in printing
Picture.
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 modification pre-press data compensation abnormal nozzle method, apparatus, equipment and storage 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 modification pre-press data compensation abnormal nozzle, the side
Method includes:
Determine abnormal nozzle location information in spray head；
Print parameters are obtained, are determined in the abnormal nozzle position and original print data file between data to be printed
Mapping relations；
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 print parameters include: the number of reciprocating scanning and printing.
Preferably, the number of the reciprocating scanning and printing is K, and K is the integer more than or equal to 2, and an elementary area is by K
A print data composition, the compensation print data range are that removing for the elementary area of exception data institute subordinate to be printed is different
K-1 print data other than normal data to be printed.
It is preferably, described that non-inking data out is determined within the scope of the compensation print data, comprising:
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 is for compensating 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:
It is out of ink to judge that the X print data in the compensation print data range indicates whether, if X print data table
Show not out of ink, the corresponding nozzle of the X print data is obtained according to the X print data and the mapping relationship f；
Judge whether the nozzle is abnormal, and when the nozzle is normal, the X print data can compensate the exception
Data to be printed.
Preferably, the method also includes:
According to the mapping relations, the compensation print data is exported to compensating nozzle.
Second aspect, the embodiment of the invention provides a kind of device of modification pre-press data compensation abnormal nozzle, device packets
It includes:
Abnormal nozzle determining module, for determining abnormal nozzle location information in spray head；
Mapping relations determining module determines the abnormal nozzle position and original print data for obtaining print parameters
Mapping relations in file between data to be printed；
Print data range determination module is compensated, is 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 generation 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 modification 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.
5th aspect, the embodiment of the invention provides a kind of ink jet printing devices, comprising: inkjet-printing device and nozzle are mended
Unit is repaid, the inkjet-printing device includes: control unit, ejection head unit, nozzle detection unit, and described control unit controls institute
Ejection head unit and the nozzle detection unit are stated, it is whether different that the nozzle detection unit detects the nozzle in the ejection head unit
Often, if abnormal, feedback information to the nozzle compensating unit compensates abnormal nozzle, and the nozzle compensating unit passes through modification print
Described control unit is sent to after preceding compensation data abnormal nozzle, it is out of ink that described control unit controls the ejection head unit, wherein
The nozzle compensating unit is the device that modification pre-press data described in second aspect compensates abnormal nozzle in above embodiment.
Method, apparatus, equipment and the storage medium of modification pre-press data compensation abnormal nozzle provided in an embodiment of the present invention,
The problem of abnormal nozzle exception out of ink leads to poor quality images has not only been repaired, but also 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 modification 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 modification 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 modification pre-press data compensation abnormal nozzle of the embodiment of the present invention.
Data when Fig. 5 is the 4pass printing of the method for the modification pre-press data compensation abnormal nozzle of the embodiment of the present invention
Block arrangement schematic diagram.
Compensation when Fig. 6 is the 4pass printing of the method for the modification pre-press data compensation abnormal nozzle of the embodiment of the present invention
Schematic diagram.
Compensation when Fig. 7 is the 6pass printing of the method for the modification pre-press data compensation abnormal nozzle of the embodiment of the present invention
Schematic diagram.
Fig. 8 is the structural schematic diagram of the device of the modification pre-press data compensation abnormal nozzle of the embodiment of the present invention.
Fig. 9 is the ink jet printing process figure of the method for the modification pre-press data compensation abnormal nozzle of the embodiment of the present invention.
Figure 10 is the device structure schematic diagram of the modification 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 modification 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 modification pre-press data compensation abnormal nozzle method include:
S1, the location information for determining abnormal nozzle in spray head；
S2, print parameters are obtained, determined in the nozzle location and original print data file between data to be printed
Mapping relations；
S3, according to the mapping relations and the location information of the abnormal nozzle, obtain corresponding to the abnormal nozzle
The compensation print data range that abnormal data to be printed compensate；
S4, non-inking data out is determined within the scope of the compensation print data；
S5, the exception data replacement to be printed non-inking data out is generated into compensation print data.
Preferably, the print parameters include: the number of reciprocating scanning and printing.
Preferably, the number of the reciprocating scanning and printing is K, and K is the integer more than or equal to 2, and an elementary area is by K
A print data composition, the compensation print data range are that removing for the elementary area of exception data institute subordinate to be printed is different
K-1 print data other than normal data 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 compensation data not ink-jet to be printed, then can be used to compensate exception data to be printed.
Find the corresponding nozzle of compensation data to be printed according to the mapping relations, if the nozzle normally if compensate
Data to be printed can be used to compensate the abnormal print data.
Preferably, the method also includes: according to the mapping relations, export the compensation print data and spray to compensating
Mouth.
Specifically, the location information for determining abnormal nozzle in spray head determines each spray head by printing head state diagram
The specific location of abnormal nozzle, the spray head state diagram are to set for determining each abnormal nozzle location information in each spray head
One test chart of meter.Referring to Fig. 3, in the present embodiment, the spray head 400 includes that 4 channels are respectively first passage
410, second channel 420, third channel 430 and fourth lane 440, the color of each pass print one kind, if each channel has
A dry nozzle, it is assumed that there is v nozzle in each channel, when there is not abnormal nozzle phenomenon in spray head 400, then the state diagram that prints
It is made of 4v line segment, each line segment has a station location marker, and each line segment is formed by a nozzle separate printed；When
When there is abnormal nozzle in spray head 400, the state diagram of printing just will appear apparent missing line segment situation, at this moment according to missing line
Section station location marker it is known that abnormal nozzle more specific location information.In another embodiment, the spray head 400 only includes
One channel is equipped with multiple spray heads 400, a kind of each color of nozzle printing in printer.Wherein, sensor can also be passed through
Whether there is abnormal nozzle in detection spray head, is 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.Here print parameters include: the required precision of the number of reciprocating scanning and printing, spray head precision and image to be printed, really
The number of fixed reciprocating scanning and printing is denoted as Kpass, and K is the natural number greater than zero, and such as number of reciprocating scanning and printing is 4 times
It is denoted as 4pass, the number of reciprocating scanning and printing is denoted as 2pass for 2 times；It is determined according to the number of the reciprocating scanning and printing
The mapping relations, are denoted as by the mapping relations of nozzle first print data corresponding with the image to be printed herein in spray head
f。
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 data to be printed, when the known exception data to be printed are according to the available abnormal nozzle of the mapping relationship f
Location information.Referring to Fig. 4, in the present embodiment, the image 4pass printing to be printed is completed, the image to be printed
It includes the first data block D1, the second data block D2, third number that the image data D in a certain channel in one region, which is divided equally into four parts of data blocks,
According to block D3 and the 4th data block D4, every part of data block includes 3 row data；The nozzle in a certain channel is divided equally by page orientation
It include first jet region J1, second nozzle region J2, third mentioned nozzle area J3 and the 4th mentioned nozzle area at four parts of mentioned nozzle areas
J4, every part of mentioned nozzle area include 3 nozzles；3 nozzles of 1pass, the first jet region J1 print institute respectively
State the 3 row data of the first data block D1；Second data block described in 3 nozzle prints of 2pass, the second nozzle region J2
The 3 row data of D2；3pass, the 3 row data of third data block D3 described in the 3 row nozzle prints of the third mentioned nozzle area J3；
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 number Kpass of the reciprocating scanning and printing, by some region of K parts of data block of image to be printed
In grid according to rule arrangement from left to right and from top to bottom to 2 column K/2 rows, xth data block in the K parts of data block
There is exception in corresponding nozzle, and x is the natural number less than or equal to K, then the compensation print data range R of xth part data block
It is exactly remaining k-1 parts of data block (k here is the natural number more than or equal to 1).
Referring to Fig. 5, in the present embodiment, the image 4pass printing to be printed is completed, and the image to be printed is a certain
4 parts of data root tubers in region are successively arranged according to the number of the reciprocating scanning and printing into the grid of 2 column, 2 row, 4 number
It is respectively the first data block B1, the second data block B2, third data block B3 and the 4th data block B4 according to block, is believed according to the position
Breath and the mapping relationship f, determine that the corresponding exception of abnormal nozzle data to be printed are located at the first data block B1, then
The second data block B2, the third data block B3 and the 4th data block B4 are exactly the benefit of exception data to be printed
Repay data.
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, specific steps are as follows:
According to the abnormal nozzle location information and the mapping relationship f, determine the corresponding exception of the abnormal nozzle to
Print data determines that the compensation of exception data to be printed prints number according to the number Kpass of the reciprocating scanning and printing
According to range, it is described compensation print data range be exception data institute subordinate to be printed elementary area except extremely it is to be printed
K-1 print data other than data.
It is out of ink to judge that the X print data in the compensation print data range indicates whether, if X print data table
Ink is shown, then X print data cannot compensate exception data to be printed；
If X print data indicates not out of ink, obtained according to the X print data and the mapping relationship f described
The corresponding nozzle of X print data judges whether the nozzle is abnormal；When the nozzle, the X print data is not
Exception data to be printed can be compensated, when the nozzle is normal, the X print data can compensate the exception to
Print data.
According to the judgment method of X print data described above, each institute in the compensation print data range is detected
State whether print data is non-inking data out, determination can compensate of the print data of exception data to be printed
Number；
When there are multiple print datas that can compensate exception data to be printed, determine that the print data is being beaten
Corresponding print position on medium is printed, it is closer to choose print position abnormal point corresponding from exception data to be printed
The corresponding print data of print position compensates the exception data to be printed.
Referring to Fig. 6, in the present embodiment, the image 4pass printing to be printed is completed, it is assumed that some abnormal nozzle
The abnormal nozzle data obtained according to the mapping relationship f are the 1st print data x1, then compensate the abnormal nozzle data
Compensation print data within the scope of have 3 print datas, respectively the 2nd print data x2, the 3rd print data x3 and the 4th
Print data x4, it is assumed that detect that only the 2nd print data x2 and the 4th print data x4 can compensate for the abnormal nozzle number
According to, by calculate the corresponding print position of the 2nd print data x2 abnormal point corresponding from the abnormal nozzle data away from
It is close from relatively, so the 2nd print data x2 compensates the abnormal nozzle data, by the value assignment of the 1st print data x1
To the 2nd print data x2.
Referring to Fig. 7, in the present embodiment, the image 6pass printing to be printed is completed, and the precision to image is
720DPI × 1080DPI, i.e., laterally the distance between corresponding print position of two print datas is 1/720 inch in grid,
The distance between corresponding print position of two print datas in longitudinal direction is 1/1080 inch, it is assumed that some abnormal nozzle is according to institute
Stating the abnormal nozzle data that mapping relationship f obtains is the 3rd print data y3, then compensates the compensation of the abnormal nozzle data
There are 5 print datas, respectively the 1st print data y1, the 2nd print data y2, the 4th print data within the scope of print data
Y4, the 5th print data y5 and the 6th print data y6, it is assumed that detected the 2nd print data y2, the 4th print data y4 and the 5th
Print data y5 can compensate for the abnormal nozzle data, by calculate the corresponding print position of the 5th print data y5 from
The corresponding abnormal point of abnormal nozzle data is closer, so the 5th print data y5 compensates the abnormal nozzle
The value of the 3rd print data y3 is assigned to the 5th print data y5 by data.Then the print data of abnormal nozzle just by
5th print data y5 complement.
Referring to Fig. 8, the embodiment of the invention provides a kind of device of modification pre-press data compensation abnormal nozzle, the dress
It sets and includes:
Abnormal nozzle determining module 10, for determining abnormal nozzle location information in spray head；
Mapping relations determining module 20 determines the abnormal nozzle position and original print number for obtaining print parameters
According to the mapping relations between data to be printed in file；
Print data range module 30 is compensated, for the location information according to the mapping relations and the abnormal nozzle,
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 40, for determining non-inking data out within the scope of the compensation print data；
Print data generation module 50 is compensated, for generating the exception data replacement to be printed non-inking data out
Compensate print data.
Preferably, the print parameters include: the number of reciprocating scanning and printing.
Preferably, the number of the reciprocating scanning and printing is K, and K is the integer more than or equal to 2, and an elementary area is by K
A print data composition, the compensation print data range are that removing for the elementary area of exception data institute subordinate to be printed is different
K-1 print data other than normal data to be printed.
Preferably, the non-data determining module out of ink includes:
Compensation judgment unit for determining the alternative non-inking data out in the compensation print data range, and judges institute
Can alternative non-inking data out be stated be used to compensate exception data to be printed；
Selection unit, for when it is described it is alternative it is non-go out inking data can be used to compensate exception data to be printed when, from institute
There are abnormal data to be printed described in selection physical printed positional distance in the alternative non-inking data out that can be used for compensating corresponding
Physical printed position it is nearest it is non-go out inking data for compensating exception data to be printed.
Preferably, the non-data determining module out of ink further include: the first judging unit judges the compensation for working as
When data not ink-jet to be printed, then it can be used to compensate exception data to be printed.
Preferably, the non-data determining module out of ink further include: normal nozzles searching unit, for according to the mapping
Relationship finds the corresponding nozzle of compensation data to be printed, if the nozzle normally if compensate data to be printed and can be used to compensate
The exception print data.
Referring to Fig. 9, the embodiment of the invention provides a kind of ink jet printing devices, comprising: inkjet-printing device 200 and spray
Mouth 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 modification 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
Modification pre-press data compensation abnormal nozzle device, the modification 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 modification pre-press data compensate the method for abnormal nozzle can be by
Modification pre-press data compensates the equipment of abnormal nozzle to realize.Figure 10 shows modification 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 modification 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 modification pre-press data compensation abnormal nozzle in example.
In one example, the equipment of modification pre-press data compensation abnormal nozzle may also include communication interface 403 and bus
411.Wherein, as shown in Figure 10, 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 modify 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 modification 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 modification pre-press data compensation in above-described embodiment is abnormal when being executed by processor
The method of nozzle.
In conclusion the modification 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 modification 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 that the mapping in abnormal nozzle position and original print data file between data to be printed is closed
System；
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 modification pre-press data compensation abnormal nozzle according to claim 1, which is characterized in that the printing ginseng
Number includes: the number of reciprocating scanning and printing.
3. the method for modification pre-press data compensation abnormal nozzle according to claim 2, which is characterized in that described reciprocating
The number of scanning and printing is K, and K is the integer more than or equal to 2, and an elementary area is made of K print data, and the compensation is beaten
Print data area is beaten for K-1 in addition to abnormal data to be printed of the elementary area of exception data institute subordinate to be printed
Printing evidence.
4. the method for modification pre-press data compensation abnormal nozzle according to claim 1, which is characterized in that described described
It compensates and determines non-inking data out within the scope of print data, comprising:
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 for compensating exception data to be printed.
5. the method for modification pre-press data compensation abnormal nozzle according to claim 4, 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 include:
It is out of ink to judge that the X print data in the compensation print data range indicates whether, if X print data indicates not
It is out of ink, the corresponding nozzle of the X print data is obtained according to the X print data and the mapping relations；
Judge whether the nozzle is abnormal, and when the nozzle is normal, the X print data can compensate the exception wait beat
Printing evidence.
6. the method for modification pre-press data compensation abnormal nozzle according to any one of claims 1 to 5, which is characterized in that
The method also includes:
According to the mapping relations, the compensation print data is exported to compensating nozzle.
7. a kind of device of modification pre-press data compensation abnormal nozzle, which is characterized in that described device includes:
Abnormal nozzle determining module, for determining abnormal nozzle location information in spray head；
Mapping relations determining module, for obtaining print parameters, determine in abnormal nozzle position and original print data file to
Mapping relations between print data；
Print data range determination module is compensated, 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 generation module is compensated, is beaten for the exception data replacement to be printed non-inking data out to be generated compensation
Printing evidence.
8. a kind of equipment of modification pre-press data compensation abnormal nozzle characterized by comprising at least one processor, at least
The computer program instructions of one memory and storage in the memory, when the computer program instructions are by the place
Reason device realizes as the method according to claim 1 to 6 when executing.
9. a kind of storage medium, is stored thereon with computer program instructions, which is characterized in that when the computer program instructions quilt
Such as method of any of claims 1-6 is realized when processor executes.
10. a kind of ink jet printing device characterized by comprising inkjet-printing device and nozzle compensating unit, the ink-jet are beaten
It includes: control unit, ejection head unit, nozzle detection unit that printing equipment, which is set, and described control unit controls the ejection head unit and described
Nozzle detection unit, whether extremely the nozzle detection unit detects the nozzle in the ejection head unit, if abnormal, feedback letter
Breath to the nozzle compensating unit compensates abnormal nozzle, and the nozzle compensating unit compensates abnormal nozzle by modification pre-press data
After be sent to described control unit, it is out of ink that described control unit controls the ejection head unit, wherein the nozzle compensating unit is
The device of modification pre-press data compensation abnormal nozzle according to any one of claims 8.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810046389.1A CN108556483B (en) | 2018-01-17 | 2018-01-17 | Modify 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 |
| JP2020539256A JP6953639B2 (en) | 2018-01-17 | 2019-01-16 | Abnormal nozzle correction method, correction device and printer |
| PCT/CN2019/071922 WO2019141180A1 (en) | 2018-01-17 | 2019-01-16 | Nozzle abnormality compensation method, device, and printer |
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| CN201810046389.1A CN108556483B (en) | 2018-01-17 | 2018-01-17 | Modify method, apparatus, equipment and the medium of pre-press data compensation abnormal nozzle |
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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 |
| CN111376587B (en) * | 2018-12-28 | 2022-02-15 | Tcl科技集团股份有限公司 | Printing control method, equipment and storage medium in printing process |
| CN109849521A (en) * | 2019-01-15 | 2019-06-07 | 北大方正集团有限公司 | Detection method, device, equipment and the computer readable storage medium of spray orifice blocking |
| CN111845078B (en) * | 2019-04-29 | 2022-10-21 | 森大（深圳）技术有限公司 | Printing control method, device, equipment and medium with non-overlapping printing areas |
| EP3871892B1 (en) * | 2020-02-28 | 2022-02-09 | Heidelberger Druckmaschinen AG | Detektion method to minimize maculature |
| CN111572197B (en) * | 2020-05-28 | 2021-08-31 | 深圳市汉森软件有限公司 | Single-stroke printing method, device, equipment and medium capable of compensating abnormal nozzle |
| CN113927903B (en) * | 2020-08-21 | 2023-03-21 | 珠海赛纳三维科技有限公司 | Jet unit cleaning instruction generation method, device, printer and storage medium |
| CN112109445B (en) * | 2020-09-18 | 2022-04-05 | 北京博信德诚技术发展有限公司 | Ink-jet printing method, device, system and controller |
| 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 |
| CN112848728B (en) * | 2021-01-09 | 2021-09-21 | 广州市印道理印刷有限公司 | High-accuracy digital printing method, high-accuracy digital printing apparatus, computer apparatus, and storage medium therefor |
| 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 |
| CN114103453B (en) * | 2021-11-22 | 2022-07-12 | 北京博示电子科技有限责任公司 | Printing method and device based on ink-jet printer, electronic equipment and storage medium |
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| JP2001150685A (en) * | 1999-11-24 | 2001-06-05 | Seiko Epson Corp | Printing control device, printing device, printing control method, printing method, and recording medium |
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