CN105479945A - Method for compensating for print nozzles failing in ink jet print systems - Google Patents
Method for compensating for print nozzles failing in ink jet print systems Download PDFInfo
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- CN105479945A CN105479945A CN201510644376.0A CN201510644376A CN105479945A CN 105479945 A CN105479945 A CN 105479945A CN 201510644376 A CN201510644376 A CN 201510644376A CN 105479945 A CN105479945 A CN 105479945A
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- primary colors
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- 238000000034 method Methods 0.000 title claims abstract description 48
- 239000003086 colorant Substances 0.000 claims abstract description 43
- 238000007639 printing Methods 0.000 claims abstract description 29
- 230000004075 alteration Effects 0.000 claims abstract description 27
- 239000000758 substrate Substances 0.000 claims abstract description 12
- 230000002779 inactivation Effects 0.000 claims description 70
- 238000004737 colorimetric analysis Methods 0.000 claims description 8
- PLXMOAALOJOTIY-FPTXNFDTSA-N Aesculin Natural products OC[C@@H]1[C@@H](O)[C@H](O)[C@@H](O)[C@H](O)[C@H]1Oc2cc3C=CC(=O)Oc3cc2O PLXMOAALOJOTIY-FPTXNFDTSA-N 0.000 claims description 6
- 238000012216 screening Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 abstract description 7
- 238000007641 inkjet printing Methods 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 description 10
- 230000007246 mechanism Effects 0.000 description 5
- 230000002349 favourable effect Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000037452 priming Effects 0.000 description 2
- ZLSWBLPERHFHIS-UHFFFAOYSA-N Fenoprop Chemical compound OC(=O)C(C)OC1=CC(Cl)=C(Cl)C=C1Cl ZLSWBLPERHFHIS-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000011549 displacement method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/38—Drives, motors, controls or automatic cut-off devices for the entire printing mechanism
- B41J29/393—Devices for controlling or analysing the entire machine ; Controlling or analysing mechanical parameters involving printing of test patterns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- 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
- B41J2/135—Nozzles
- B41J2/165—Prevention or detection of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
- B41J2/16579—Detection means therefor, e.g. for nozzle clogging
Landscapes
- Ink Jet (AREA)
Abstract
A method for automatically compensating print nozzles failing in an inkjet printing machine by means of a control computer, comprises the steps of: calculating, by the computer, all reduced color profiles resulting from the used process colors and each with a lack of process color; detecting, by the computer, a nozzle failure of a print nozzle with one of the process colors during the execution of a print order; acquiring, by the computer, the rated color coordinate of a position, which is printed by the failed pressure nozzle, on a print substrate; acquiring, by the computer, the replacement color coordinate with minimal chromatic aberration relative to the the rated color coordinate of a position, which is printed by the failed pressure nozzle, on a print substrate; selecting a suitable reduced color profile depending on the lack of process color of the detected failing print nozzle; resuming a printing task at the position printed by the failed print nozzle on the print substrate by using a combination acquired by the rest process colors.
Description
Technical field
The present invention relates to a kind of method of the print nozzles for compensating inactivation in ink-jet system.
The present invention is in digital printed technical field.
Background technology
Usually, ink-jet printer comprises one or more print head, and each print head comprises multiple print nozzles.Nozzle is used for printing by the mode penetrating ink by ink-jet printer.Such ink-jet printer has nozzle plate, and this nozzle plate has the special arrangement of each nozzle, and such special arrangement allows until the resolution ratio of 1200dpi.This requires the injector spacing of about 20um.Such region is created: this region is not described by nozzle (according to BCMY) for this reason set in monochromatic section when single print nozzles inactivation.Therefore create colourless position, this position may be shown as white line.If relate to polychrome printing, then on this position, lack corresponding color, and colour is twisted.Also it should be noted that the beam of single-nozzle moves towards not to be extend ideally, but deviation may be had with ideal case more or less, should be taken into account the size of the point of ejection in addition.Thus, the nozzle operated mistakenly relates to the press quality of each printed file.The reason of the inactivation of single-nozzle is various, can relate to of short duration inactivation or lasting inactivation at this.
In order to especially completely version reduce the impact on printing images, from multiple mode for compensating known in the state of the art.Attempt in one of these modes, by mistake by same color and other nozzle of same ink jet unit hide.That is, in order to compensate the inkjet printing nozzle of single inactivation, after determining and relating to which single injector, adjacent nozzle controls in this wise, the some size of these nozzles is increased in this wise, makes the position of the nozzle of inactivation thereupon covered.Therefore adjacent nozzle prints out the image of inactivation nozzle thereupon.Can therefore be prevented from without printing the white line produced by single-nozzle.Patent registration US020060125850A1 describes a kind of method according to this principle work and a kind of printing machine.But the method has impact to printing images, if the nozzle inactivation of direct neighbor, then especially there is problem.Compensation in double or many times of distances is unlikely.
Another way for the print nozzles compensating inactivation defines the twin-jet nozzle unit of same color, can be compensated the inactivation of single-nozzle by redundancy.The example of this way is known by patent registration US20060256157A1 and US20060268034A1.Although this is effective, also correspondingly expensive, need extra installing space and bring other problem, as the complex control with this pair of unit.
Another known mode is, can by performing compensation from the print nozzles in other system.That is, multiple orientable print head is used in printing images.If print nozzles inactivation, then print head is relocated, to substitute the nozzle of inactivation as well as possible.Patent patent registration in other words US20120075373A1 and US7607752B2 discloses the method realizing which.Here in fact also need the same color printing head of redundancy, this is with self bringing the problem mentioned.
Summary of the invention
Therefore task of the present invention is, discloses a kind of method of the print nozzles for compensating inactivation in ink-jet printer by a kind of method, the method overcomes the shortcoming of known method in hardware redundancy and inefficiency.
This task is solved by the method with feature described in main claim 1 according to the present invention.
The present invention relates to a kind of method of the print nozzles for automatically compensating inactivation in ink-jet printer by computer for controlling at this, and the method has the following step:
1. calculate minimizing formula color configuration all, that drawn by the primary colors applied, that lack a kind of primary colors respectively by Computer;
2. during performing print job, the nozzle inactivation of the print nozzles with one of primary colors is detected by computer;
3. the specified chromaticity coordinates (Farbort) on the position be positioned in printed substrates printed by the print nozzles of inactivation is asked for by computer;
4. ask for alternative chromaticity coordinates by computer, this alternative chromaticity coordinates has minimum aberration relative to the specified chromaticity coordinates on the position be positioned in printed substrates printed by the print nozzles of inactivation;
5. the primary colors lacked according to the inactivation print nozzles detected carrys out selected suitable minimizing formula color configuration;
6. continue print job with on the position being combined in printed substrates printed by the print nozzles of inactivation of newly asking for of residue primary colors.
It is the minimizing formula color configuration calculated for the primary colors of all application according to the basis of method of the present invention.Because the inactivation of print nozzles result in the disappearance of primary colors in the printing zone covered by this nozzle exported by this nozzle, therefore only still have the primary colors of the print nozzles operated available for this printing zone.What kind of what kind of in order to make the compensation of colorimetry aspect become possibility, namely must calculate: utilize the distribution of color (namely replacement color) of the color still existed can substitute the color of each inactivation as far as possible exactly.Establish minimizing formula color configuration, this minimizing formula color configuration describes the color space of the primary colors deducting a kind of color (namely deducting the color of the print nozzles of inactivation) respectively for this reason.The calculating of this minimizing formula color configuration is tackled in the incompatible execution of all possible color-set.That is, because each primary colors may relate to nozzle inactivation, so the alternative combinations with residue primary colors must be there is for each primary colors, so this alternative combinations is described by described minimizing formula color configuration.If make computer for controlling detect the inactivation of nozzle by the monitoring of printing images and/or print head now, then determine the distribution of replacement color on relevant position by each specified chromaticity coordinates.Specified chromaticity coordinates refers at this: the specified colour that the print nozzles of the inactivation position in printed substrates will realize.Alternative chromaticity coordinates correspondingly describes by the colour on the still position of the attainable inactivation print nozzles of operational primary colors in printed substrates.So, selected minimizing formula color configuration of mating respectively, and computer for controlling can carry out necessary adaptation by this information in color controlling, and, continue print job.
The advantage of this method is: on the one hand, has compared with the print system of redundancy or the compensation method of print nozzles, can eliminate the redundancy of this costliness with known; On the other hand, compared with the compensation method of the print nozzles adjacent with application, the ink distribution of adjacent nozzle no longer must be handled.Even if multiple adjacent print nozzles inactivation, still can be compensated thus.
Favourable therefore preferred this method improvement project is known by affiliated dependent claims and by having in affiliated the description of the drawings.
In this case, the determination substituting chromaticity coordinates is realized by following manner a kind of preferred improvement project: the share so asking for operational primary colors based on colorimetry, makes to draw relative to specified chromaticity coordinates aberration little as far as possible.The conclusive target criteria of the method is, substitute chromaticity coordinates and should be minimized as much as possible relative to the aberration of specified chromaticity coordinates, thus the color of this inactivation can be replaced as well as possible.
A kind of preferred improvement project in this case, has in the polychrome printing of spot color in application, and the aspect of the effective compensation that the selection of this spot color is not only considered the aspect that color space is expanded but also considered inactivation nozzle realizes.
If be additional to or be alternative in standard-primary colors and apply other spot color, then the selection of these spot colors just should not meet the standard of the expansion of color space, but must consider yet: when comprising spot color, the color of inactivation can be replaced how well.Moreover can be reduced aberration by the use of spot color better and then can decrease interference better can identification.
According to the preferred improvement project of method of the present invention in this case, for effective color compensating, the choice criteria of spot color is minimum aberration.
Also such choice criteria must be considered: aberration is little as far as possible in corresponding compensation when selecting spot color.
In this case, the minimizing formula color configuration lacking a kind of primary colors has respectively been added the minimizing formula color configuration with application spot color to another preferred improvement project.
Define combinatory possibility that is additional, that be made up of the spot color of inactivation or primary colors and remaining replacement color when applying additional spot color, these combinatory possibilities should be understood with the form being additional to the minimizing formula color configuration calculated.
According to the preferred improvement project of method of the present invention in this case, for the residue primary colors that compensates by amplitude modulation ground or frequency modulation(PFM) ground screening.
The alternative chromaticity coordinates asked for can be constructed with the form of screening, if this minimizes relative to the aberration of specified chromaticity coordinates for realizing.At this, not only use the mesh of amplitude modulation but also the mesh of frequency of utilization modulation.
In this case, the inactivation of print nozzles is also compensated by following manner another preferred improvement project of this method: reduce an other print nozzles, and, add the print nozzles of black.
Another possibility realizing minimum aberration is, adds the print nozzles of black, and, correspondingly reduce the print nozzles of another replacement color.Apply the method being similar to the picture structure with UCR (UnderColorRemoval, undercolour removal method) or GCR (GrayComponentReplacement, gray component displacement method) thus.
According to the preferred improvement project of equipment of the present invention in this case, the metric (such as the minimum of a value of aberration in color plane when the brightness provided in advance) of colorimetry is selected as the desired value for compensating.
Except aberration Δ E minimizes, be also possible for compensating other target criteria of the print nozzles of inactivation.Such as, aberration minimizing in color plane, this means, target criteria is here the same brightness with little as far as possible aberration.This minimum aberration Δ E can calculate according to different CIE standards (CIE76, CIE94, CIE2000).
According to the preferred improvement project of equipment of the present invention in this case, the calculating and performing of this compensation is automatically performed by the computer for controlling of printing machine.
The calculating of the replacement color configuration in the framework of print nozzles-inactivation monitoring and its application are the part that controls of printing machine and can be only meaningfully performed by computer for controlling that is inner or outside in the framework automatically performed.This includes manually is monitored by user each color configuration or control command and revises.
Accompanying drawing explanation
Explain according to method of the present invention and the functionally favourable improvement project of the method by least one preferred embodiment referring to affiliated accompanying drawing.Element mutually corresponding is in the accompanying drawings respectively equipped with same Reference numeral.
Accompanying drawing illustrates:
Fig. 1: the example of ink-jet-roll type printing machine;
Fig. 2: due to the example of the error image that print nozzles inactivation causes;
Fig. 3: the example with the green color space of spot color;
Fig. 4: the example when the print nozzles inactivation of primary colors Huang with the green color space of spot color;
Fig. 5: the present invention is for compensating the method disclosed in print nozzles inactivation.
Detailed description of the invention
This application field is ink-jet printer in preferred enforcement flexible program.Example for the structure of this machine is shown in Figure 1.When this printing machine runs, as illustrated in beginning, the single print nozzles in the print head of printing mechanism may inactivation.So result is white line, in other words, in polychrome situation, result is the colour of distortion.The example of this white line is shown in Figure 2.
Basis according to the method for the print nozzles for compensating inactivation of the present invention is, without the need to applying the nozzle of other same color or the system without the need to being applied in same color aspect redundancy, but on the position of the nozzle of inactivation, accurately apply the nozzle of other color more or less.At this, novelty is, for compensate inactivation color, application in colorimetry, and consider in the situation of application spot color and compensate and this spot color is selected targetedly.That is, in polychrome printing, the selection of spot color is also determined when considering the optimal compensation, and, eliminate king-sized color space at least in part at this.That is, the compromise of expansion to color space and compensation ability must be made.
Which kind of color should one or more complementary colors of share substitute by how decision or determine, is realize based on tone.In order to the correctly printing images when single-nozzle does not have inactivation in primitive color, target is that aberration minimizes (namely minimum Δ E), and that is, the aberration in the color space of CieLab minimizes.
In order to make the aberration relative to priming color on position to be compensated minimize, calculate minimum aberration by residue color existing in standard-four-color process (BCMY), and, corresponding color is used for compensating as well as possible.At this, each color also can add entoilage and minimize for making aberration.Here, through the screening AM of amplitude modulation or be possible through warbled screening FM.
In the system with spot color (namely more than 4 primary colors), such as in the polychrome printing with 6 primary colors (Hexachrom), 7 primary colors or more primary colors, and at use spot color (HKS, Pantane) when,---that is having cut the primary colors after the color of inactivation print nozzles---by existing residue color calculates minimum aberration equally, and this aberration is used for compensation as well as possible.But spot color is chosen such that and determines in addition, compensating best of different residue colors is made therefore to be possible.Even if under these circumstances, choice criteria is also reduce the aberration relative to specified colour as well as possible.In this flexible program, follow to progression the basic thought compensated by spot color, therefore color selecting so designs from the beginning, makes it possible to realize the compensation best as far as possible when color inactivation; That is, durable color separated and color selecting in the nozzle inactivation of expection can be realized.
The flow process of the preferred enforcement flexible program of method of the present invention is shown in Figure 5, first, calculates by the initial configuration of four looks with primary colors (BCMY, black, blue or green, red, yellow) 3 color configuration respectively lacking a kind of primary colors.The form that these color configuration configure with ICC is used, and this form describes the relation between the BCMY colour (being described as screening-percentage-value) of the ink of desired value (laboratory evaluation as colorimetry aspect is described) and application.
Draw following ICC color configuration thus:
1.ICC configures the color space of 4-look BCMY → complete in step-wedge color;
2.ICC configures the minimizing formula color space of 3-look CMY → do not have in step-wedge color B;
3.ICC configures the minimizing formula color space of 3-look BMY → do not have in step-wedge color C;
4.ICC configures the minimizing formula color space of 3-look BCY → do not have in step-wedge color M;
5.ICC configures the minimizing formula color space of 3-look BCM → do not have in step-wedge color Y.
If establish minimizing formula ICC color configuration 13, then can the print job of execute script.If to be detected single print nozzles 15 inactivation in printing element by printing machine (in other words the computer for controlling of printing machine) at this, then by means of the information of which kind of primary colors B, C, M, Y that relates to select suitable minimizing formula color configuration 16.If such as relate to cyan-nozzle, then apply BMY configuration.Moreover, utilize the coordinate information 15 of which nozzle inactivation, ask for the specified chromaticity coordinates 17 on the position of the nozzle of inactivation along this printed matter, that is, ask for from edge straight before theme to theme the trailing edge, on above-mentioned seamed edge, nozzle (color C) has contribution to theme.For all these positions along track, in selected 3-color configuration 16, select suitable alternative chromaticity coordinates 18, and, the site in BMY is covered the alternative chromaticity coordinates 18 that share distributes to relevant position.Target criteria is the possible aberration Δ E minimum relative to corresponding specified chromaticity coordinates 17 at this.Then, use on the position being combined in the nozzle of inactivation that newly ask for, residue color and continue print job.
When using add spot color 12, this spot color should be selected in advance.At this, except color space expands this main factor, also can include in compensating well inactivation nozzle within final decision.Therefore such as can developing special replacement color when researching and developing spot color, when using this special replacement color at common CMYK color inactivation, only occurring less color space loss.Therefore, such as, suppose cyan inactivation, the 4 look configuration BBIMY with spot color blueness (BI) can be applied.This configuration major part includes the specified chromaticity coordinates 17 that can realize by cyan; In this case, even Δ E=0 can be realized in the ideal situation.The corresponding color space expansion of certainly all colors be employed diminishes for this reason.Can realize best compromise here, its mode is, such as, special spot color 12 is not just replaced individually the chromaticity coordinates 17 of the print color cyan of inactivation.
Use caption color gamut in figure 3, and explanation associating when having and do not have spot color G (green) printing.With the attainable color gamut A of step-wedge color CMY
0indicate.Spot color G is share A by this color range expansion
+ G.
Fig. 4 shows the change of this color space when color Y (yellow) inactivation.At this, A
0reduce to A
cM, this A
cMcan only realize with color C and M.A
0-A
cMdifference impaired due to inactivation.Loss can be reduced to A with spot color G
-Y+G.Spot color G can be painted and move on curve according to it.The chromaticity coordinates of this spot color G affects A
+ Gand A
-Y+Gsize.If this chromaticity coordinates moves in the Y direction, then decrease the expansion due to spot color G and decrease the minimizing due to Y inactivation.In extreme situations, when spot color G equals Y, so color space expansion equals 0, but under Y print nozzles inactivation, colour space minimizing also equals 0.
So, by the weight coefficient F of the meaning for expansion
+and by the weight coefficient F for the meaning reduced
-produce the choice criteria as the position of spot color on curve, such as:
Best position G=(F
+* A
+ G-F
-* A
-Y+G) maximum
Print color B black only comes into force and is not considered near neutral achromaticity point.
Because method of the present invention is understood inefficent by manual executions of user, the computer for controlling 19 that therefore this execution is ink-jet printed machine automatically performs.This performs automatically and is integrated in the workflow of printing machine at this, and the part of this workflow is such as the print nozzles detecting inactivation.The ICC color configuration 13,14 applied is stored in holder, and the computer for controlling 19 of printing machine 1 has access right to this holder.The configuration of computer for controlling 19 in each method step and for selecting the standard of spot color can manually be revised by user when needed at this.
Reference numerals list
1 ink-jet printer
2 uncoilers
3 printing preparatory stages
4 for the flexographic plate mechanism of white/full version
5 for the flexographic plate mechanism of priming paint
6 ink-jet printing mechanisms
7 ink jet printing heads
8 for the flexographic plate mechanism of gloss varnish
9 further processing stage
10 coilers
11 print job information
12 additional spot colors
13 replacement color without spot color configure
14 replacement color with spot color configure
The 15 print nozzles inactivations determined
16 selected replacement color configurations
The 17 specified chromaticity coordinates asked for
The 18 alternative chromaticity coordinates calculated
19 computer for controlling
20 printed substrates
21 useful part
22 image errors caused due to the print nozzles of inactivation
C is blue or green
M is red
Y is yellow
G spot color is green
A
0printable color gamut (CMY)
A
+ Gbe additional to A
0what have a G can print color scope (CMYG)
A
cMthe printable color gamut (CM) when Y inactivation
A
-Y+Gbe additional to A
cMthere is the printable color gamut (CMG) of G
Claims (9)
1., for automatically compensating a method for the print nozzles of inactivation in ink-jet printer (1) by means of computer for controlling (19), there is the following step:
● calculate minimizing formula color configuration (13) all, that drawn by the primary colors applied, that lack a kind of primary colors respectively by computer (19);
● during performing print job (11), the nozzle inactivation of the print nozzles with one of primary colors is detected by computer (19);
● the specified chromaticity coordinates (17) on the position be positioned in printed substrates printed by the print nozzles of inactivation (15) is asked for by computer (19);
● ask for alternative chromaticity coordinates (18) by computer (19), this alternative chromaticity coordinates has minimum aberration relative to the specified chromaticity coordinates (17) on the position be positioned in printed substrates printed by the print nozzles of inactivation (15);
● carry out selected suitable minimizing formula color configuration (16) according to the primary colors that the inactivation print nozzles detected lacks;
● continue print job (11) with on the position being combined in printed substrates printed by the print nozzles of inactivation (15) of newly asking for of residue primary colors.
2. method according to claim 1, it is characterized in that, the determination of described alternative chromaticity coordinates (18) is realized by following manner: the share so asking for operational primary colors based on colorimetry, makes to draw the aberration minimum as far as possible relative to described specified chromaticity coordinates (17).
3. according to the method one of the claims Suo Shu, it is characterized in that, have in the polychrome printing of spot color (12) in application, the selection of this spot color (12) not only realizes in the effective color compensating to inactivation nozzle considering in color space expansion but also consider.
4. method according to claim 3, is characterized in that, the choice criteria for the spot color (12) of effective color compensating is minimum aberration.
5. the method according to claim 3 or 4, is characterized in that, the described minimizing formula color configuration (13) lacking a kind of primary colors has respectively been added the minimizing formula color configuration (14) with application spot color (12).
6. according to the method one of the claims Suo Shu, it is characterized in that, for that compensate, remaining primary colors by amplitude modulation ground or frequency modulation(PFM) ground screening.
7. according to the method one of the claims Suo Shu, it is characterized in that, above-mentioned color configuration is all designed to the form of ICC-configuration.
8. according to the method one of the claims Suo Shu, it is characterized in that, the inactivation of print nozzles (15) also can be compensated by following manner: reduce another print nozzles, and, add the print nozzles of black.
9. according to the method one of the claims Suo Shu, it is characterized in that, the metric of colorimetry is selected as the desired value for compensating, and the metric of described colorimetry is such as the minimum of a value of the aberration in color plane when brightness is given in advance.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014219965.4 | 2014-10-01 | ||
| DE102014219965.4A DE102014219965A1 (en) | 2014-10-01 | 2014-10-01 | Method for compensating failed nozzles in inkjet printing systems |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105479945A true CN105479945A (en) | 2016-04-13 |
| CN105479945B CN105479945B (en) | 2018-10-26 |
Family
ID=54064199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510644376.0A Active CN105479945B (en) | 2014-10-01 | 2015-10-08 | Method for the print nozzles for compensating inactivation in ink-jet system |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3020562B1 (en) |
| CN (1) | CN105479945B (en) |
| DE (1) | DE102014219965A1 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109649006A (en) * | 2017-10-10 | 2019-04-19 | 海德堡印刷机械股份公司 | Threshold value in the print nozzles of detection failure determines |
| CN110171203A (en) * | 2018-02-19 | 2019-08-27 | 海德堡印刷机械股份公司 | Method for compensating the failure print nozzles in ink-jet printer |
| CN110712430A (en) * | 2018-07-11 | 2020-01-21 | 海德堡印刷机械股份公司 | Means for monitoring print heads in a random manner |
| CN111439035A (en) * | 2019-01-17 | 2020-07-24 | 海德堡印刷机械股份公司 | Improved printed nozzle test pattern |
| CN111572197A (en) * | 2020-05-28 | 2020-08-25 | 深圳市汉森软件有限公司 | Single-stroke printing method, device, equipment and medium capable of compensating abnormal nozzle |
| CN112238683A (en) * | 2019-07-17 | 2021-01-19 | 海德堡印刷机械股份公司 | Register measurement with white separation color |
| US11285734B2 (en) | 2018-01-17 | 2022-03-29 | Shenzhen Hosonsoft Co., Ltd | Compensation method and device for nozzle abnormality, and printer |
| US11559988B2 (en) | 2018-01-17 | 2023-01-24 | Senda (Shenzhen) Technology Co., Ltd. | Compensation method and device for nozzle in inkjet printer and inkjet printer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018220524A1 (en) * | 2018-01-25 | 2019-07-25 | Heidelberger Druckmaschinen Ag | Method for detecting failed nozzles in an inkjet printing machine |
| DE102018209971B3 (en) | 2018-06-20 | 2019-06-06 | Heidelberger Druckmaschinen Ag | Compensation with additional colors |
| DE102019208095A1 (en) | 2018-07-19 | 2020-01-23 | Heidelberger Druckmaschinen Ag | Fail-safe color transformation |
| EP4173832A1 (en) * | 2021-11-02 | 2023-05-03 | Bobst Mex Sa | Method for controlling a printing device and printing device |
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| CN110712430A (en) * | 2018-07-11 | 2020-01-21 | 海德堡印刷机械股份公司 | Means for monitoring print heads in a random manner |
| CN111439035A (en) * | 2019-01-17 | 2020-07-24 | 海德堡印刷机械股份公司 | Improved printed nozzle test pattern |
| US11198288B2 (en) | 2019-01-17 | 2021-12-14 | Heidelberger Druckmaschinen Ag | Method for assessing the condition and improving the printing quality of printing nozzles in printheads of an inkjet printing machine and improved printing nozzle test chart |
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| CN112238683A (en) * | 2019-07-17 | 2021-01-19 | 海德堡印刷机械股份公司 | Register measurement with white separation color |
| CN112238683B (en) * | 2019-07-17 | 2023-09-22 | 海德堡印刷机械股份公司 | Register measurement with white separation color |
| CN111572197A (en) * | 2020-05-28 | 2020-08-25 | 深圳市汉森软件有限公司 | Single-stroke printing method, device, equipment and medium capable of compensating abnormal nozzle |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3020562A1 (en) | 2016-05-18 |
| DE102014219965A1 (en) | 2016-04-07 |
| CN105479945B (en) | 2018-10-26 |
| EP3020562B1 (en) | 2018-06-27 |
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