CN1454149A - Ink jet fault tolerance using extra ink dots - Google Patents
Ink jet fault tolerance using extra ink dots Download PDFInfo
- Publication number
- CN1454149A CN1454149A CN00819708A CN00819708A CN1454149A CN 1454149 A CN1454149 A CN 1454149A CN 00819708 A CN00819708 A CN 00819708A CN 00819708 A CN00819708 A CN 00819708A CN 1454149 A CN1454149 A CN 1454149A
- Authority
- CN
- China
- Prior art keywords
- point
- row
- printer
- ink
- size
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007639 printing Methods 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 21
- 239000011159 matrix material Substances 0.000 claims description 18
- 238000003384 imaging method Methods 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims 1
- 230000000007 visual effect Effects 0.000 abstract description 4
- 239000000976 ink Substances 0.000 description 66
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000007641 inkjet printing Methods 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 230000000246 remedial effect Effects 0.000 description 1
Images
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
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/21—Ink jet for multi-colour printing
- B41J2/2132—Print quality control characterised by dot disposition, e.g. for reducing white stripes or banding
- B41J2/2139—Compensation for malfunctioning nozzles creating dot place or dot size errors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/21—Ink jet for multi-colour printing
- B41J2/2132—Print quality control characterised by dot disposition, e.g. for reducing white stripes or banding
- B41J2/2146—Print quality control characterised by dot disposition, e.g. for reducing white stripes or banding for line print heads
Abstract
A printing method identifies where parts of an image will not be printed due to device failure and if possible prints extra ink dots in adjacent columns so as to lessen the visual effect of failure to print correctly at the original location.
Description
Technical field
The present invention relates to figure punch, relate in particular to use and ink is ejected into the printing of printing the equipment on the matrix.But use of the present invention is not limited to ink jet printing device again, and it is also applicable to laser printer, light emitting diode printer and digital copying machines.
Background technology
In ink jet printing device, printhead has row's ink nozzle, and when the printing matrix phase moved for printhead, ink nozzle can optionally be ejected into ink on the matrix.Printhead can adopt by the way stamping ink flat rubber belting that scans on matrix, or prints along the page length direction, if whole page width printing head.If there is an ink nozzle to stop up, the scan-type printhead will print many blank horizontal lines, and page width printing head will print a blank vertical line.This stray line is that PRN device causes, and is not that the user needs.
The invention provides the method that a kind of remedial frames is printed, can reduce or effectively eliminate in normal the use because the outward appearance mistake visual effect that the obstructions of one or more ink nozzles produce.The present invention is applicable to the printing of other form, as long as this equipment can be repeatedly ink dot etc. is ejected into matrix, no matter is passive printing or initiatively printing.The present invention is also applicable to laser printer, LED type printer and digital copying machines, if because the wrong mistake that also can produce repeatability in print image of their imaging drum or light source.Above and describe below with claims in image one speech used be broad sense, general reference any print What is as text and stick figure.
Summary of the invention
Put it briefly, the present invention can provide a kind of method of figure punch image of correcting a mistake, and makes the PRN device can be in ad-hoc location printed dots correctly, and this method comprises the steps:
A) determine described specific one or more positions;
B) at least one the additional adjacent or close positions at described ad-hoc location increases at least one additional point, and it is that view data is required that described ad-hoc location likens to.
From another angle, the present invention also provides a kind of row's vehicular equipment that has, a row can be ejected into the printer on the matrix after the unlatching, and some devices that matrix phase is moved for this row's vehicular equipment, usually along moving perpendicular to the direction of a row, this printer comprises matrix:
Determine the whether device of operate as normal of one or more equipment;
Control device, be used for analysis image or view data, determine to print but one or more ad-hoc locations of the ink dot that do not print, and the contrast view data is utilized faulty equipment, and wherein one of a side or two equipment are printed extra ink dots because equipment breaks down.
If image does not use the adjacent position, can only print extra ink dot on the next door of each ad-hoc location.Can the side of each ad-hoc location, on or down or print one or more extra ink dots up and down simultaneously.Can print ink dot extra more than two in each quadrant with respect to each ad-hoc location.
The extra ink dot of printing can be identical with the normal size that view data requires, also can be different.In order to reserve the position for the extra ink dot of printing, can require the size of the print point of printing to dwindle according to view data adjacent position.Different according to the quantity of the size of " normally " ink dot, spacing, extra ink dot and size, and the situation of change of the size of " normally " ink dot of extra ink dot adjacent position, extra ink dot may overlap simultaneously with itself or " normally " ink dot or the two, also may be independent fully, do not overlap with any point.Desirable Method of printing is to print extra ink dot in two horizontal sides of ad-hoc location.
Description of drawings
In order to understand the present invention better, see also hereinafter accompanying drawing and the description of the specific embodiment:
Fig. 1 is one group of ink nozzle schematic diagram of ink jet-print head.
Fig. 2 is the dot matrix schematic diagram without correction of Fig. 1 printhead prints.
Fig. 3 is the dot matrix schematic diagram by Fig. 2 of the process correction of Fig. 1 printhead prints.
Fig. 4 is another dot matrix schematic diagram without correction by Fig. 1 printhead prints.
Fig. 5 is the dot matrix schematic diagram by Fig. 4 of the process correction of Fig. 1 printhead prints.
The specific embodiment
As shown in Figure 1, printhead 10 is made of the one group of ink nozzle 12 that is in line.For convenience of explanation, 14 ink nozzles only are shown among the figure, in fact delegation's ink nozzle can comprise dozens of, thousands of ink nozzle.Paper usually along perpendicular to the direction of ink nozzle line from printhead below by, as shown in arrow 14.Printhead can be fixed, and also can be movably.When paper below printhead through out-of-date, ink nozzle A to N optionally prints to an ink dot matrix on the paper as required.Dot matrix is made up of a series of row and column, and the distance between them is respectively by distance between the ink nozzle and the decision of minimum paper feeding speed.Desirable point, vertical and horizontal distance should equate, still because the mechanism of command range is different, so be difficult to realization.Printhead can use the page width printing head or the scanning page to print the less printhead of a series of printing transverse belts.
For convenience of explanation, suppose that ink nozzle a-g and i-n can operate as normal, and ink nozzle h cisco unity malfunction or do not work fully for a certain reason.Simultaneously, the diagnostic system (those skilled in the art will be appreciated that) of supposing printer has detected ink nozzle h cisco unity malfunction.Usually, it mainly is because ink nozzle is partly or entirely stopped up that ink nozzle is not worked, thereby causes print point China ink quantity not sufficient even produce blank print point.
Fig. 2 is the schematic diagram of being printed by printhead 10 without a part of print job of correcting, and a blank column is wherein arranged, with " h " mark, and corresponding nozzle h, remaining row a-g and i-n are normal.According to printhead 10 is full page wide printhead or scan-type printhead, and the page will produce one or more stray line.Annulus 16,18,20 and 22 representatives should print to row h, and the ink droplet on not having to print.Fig. 3 is the same image of being printed by printhead 10, but it is the image after correcting through the present invention.
As shown in Figure 3, controller can increase the print frequency of the PRN device of print line g and row I immediately when the ink dot of print line h.Thereby between the normal point row at point 24 places, produce extra ink dot.According to the difference of line-spacing, extra ink dot may overlap with " normally " point in its uplink and downlink, also may be independent fully, do not overlap with these points.In Fig. 2 and Fig. 3, the point that row h requires to print only accounts for about 50% of possibility print position.Therefore, only the lastrow and the next line of print point increase extra ink dot to controller in advance in row h.In fact, the position that can increase extra ink dot is not upper and lower delegation, can be multirow yet.In addition, if adjacent row do not require printed dots, controller can be printed extra ink dot between " normally " position of these row and " normally " row.The extra ink dot that the 1st row of row g and the 3rd row are printed on " normally " position exactly among Fig. 3.Printer page mid point 30,32,34,36,38 and 40 shown in Figure 4 is the points that need print on row h, promptly has six points to need to print in eight row.Fig. 5 is the effect after the error correction.In row g and row I, between each " normally " row extra ink dot is arranged all, and all extra ink dots are printed in " normally " position all.Like this, just in row g and row I, produce the continuous dot matrix that a normal point and extra ink dot overlap mutually, thereby reduced the white space that the fault PRN device produces widely in row h.
Because the performance difference of adjuster, so the size of the extra ink dot that produces is also different, may with " normally " put measure-alike, also may be greater than or less than this size.For example: mechanical ink sprayer can use the frequency of 50KHz, i.e. 50,000 ink droplets of per second ejection.But, in the family expenses printer, being subjected to the influence of paper feeding speed, the actual frequency of using may have only 25KHz.Like this, if individual other ink sprayer uses the frequency of 50KHz, just can be expert under the condition of not dwindling spot sizes and capable between printed dots.
Even normal driver frequency surpasses the peaked 1/2nd of printhead global design frequency, the frequency of single ink sprayer still can reach two times of this frequency.In the micromachine ink sprayer because it needs thermal flexure, so must dwindle pulse width and/or drive voltage of signals make it recover normal berth also/or next time " normally " ink-jet circulation beginning before ink reservoir is filled up.Pulse width/voltage minimizing can make the additional ink spot size of printing diminish.If do not change pulse width and drive voltage of signals, will cause adjuster can't return normal berth or can't " normally " ink-jet circulation beginning before ink reservoir be filled up, or the two has concurrently next time.As a result, the size of the point of point in the normal row and additional row all can diminish.But visual effect still is passable.
Present technique also can be applied in other figure punch technology, if the circulation rate of its imaging system is greater than normal speed.For example, the speed of the laser beam flying imaging of laser printer drum may be very fast, and the sweep speed of practical application only is the less than 1/2nd of the speed that possible reach.The scanning that does not have to use just can be used for printing extra ink dot.In like manner, the operating frequency that luminaire type printer can make luminaire also can reach same effect greater than normal frequency.
In addition, the present invention can also print the large scale ink dot in the normal position adjacent or close with unprinted position, and/or print extra ink dot between the row adjacent or close with unprinted position.
Here only introduced the method for determining position of target print line mid point after printing original point, if this technology have the characteristics of prediction will be better, can before printing original point, determine the position of print line mid point.For example:, should print a point on the right side of fault ink nozzle if according to the method for looking back; If but eyes front will find that ensuing several provisional capitals need printed dots in these row, so, better solution is exactly the left column that ink dot is printed on former row.Equally, this embodiment also can transfer to some the next line of normal ideal position.Utilize the characteristics of prediction can will require the dot printing of printing previous row according to the needs of printing effect to normal ideal position.
In addition, the present invention's digital printer that also can cooperate laser printer, LED printer, copying machines and other to utilize parts independently to print different ink dots uses jointly.For example, in the LED printer, certain LED may go wrong; In laser printer, certain photosensitive imaging drum may go wrong.In both cases, adjust the size of consecutive points and can avoid or alleviate the defective that unit failure produces, improve the visual effect of image.
Claims (19)
1. the method for a figure punch image of correcting a mistake makes the PRN device can be in ad-hoc location printed dots correctly, and this method comprises the steps:
A) determine described specific one or more positions;
B) at least one the additional adjacent or close positions at described ad-hoc location increases at least one additional point, and it is that view data is desired that described ad-hoc location likens to.
2. the method for claim 1 is characterized in that, in ad-hoc location additional position of horizontally set at least.
3. the method for claim 1 is characterized in that, at ad-hoc location an additional position is set at least vertically.
4. the method for claim 1 is characterized in that, describedly presses line printing, and between each row an additional position is set at least.
5. the method for claim 1 is characterized in that, describedly presses line printing, and two additional positions are set between the adjacent lines of each ad-hoc location at least.
6. the method for claim 1 is characterized in that, describedly presses line printing, and between the homonymy adjacent lines of each ad-hoc location two additional positions is set at least.
7. the method for claim 1 is characterized in that, the described row and column of pressing is printed, and at ad-hoc location wherein in row of a side or two row and between each row an additional position is set at least.
8. the method for claim 1 is characterized in that, measure-alike at the point of the size of the point of additional position and position that view data requires.
9. the method for claim 1 is characterized in that, in the size of the point of the additional position size less than the point of position that view data requires.
10. the method for claim 1, the size of point that it is characterized in that view data the require position adjacent with additional position is less than the size of view data requirement.
11. a printer has row's vehicular equipment, a row can be ejected on the matrix after the unlatching, and the device that matrix phase is moved for this row's vehicular equipment, along moving perpendicular to the direction of a row, this printer comprises matrix usually:
Can determine whether above-mentioned vehicular equipment is all working properly; And control appliance, it can analysis image or view data, determines print but the position of the ink dot that do not print because equipment breaks down, and the contrast view data utilize faulty equipment wherein one or two equipment of a side print extra ink dot.
12. printer as claimed in claim 11 is characterized in that, control device can be by faulty equipment wherein one or two equipment adjustment of a side and the size of the print point that each ad-hoc location is gone together.
13. printer as claimed in claim 11 is characterized in that, control device is by wherein one of a side or two equipment adjustment are adjacent with each ad-hoc location or the size of the print point of close delegation at least of faulty equipment.
14. printer as claimed in claim 11 is characterized in that, if do not start generation blank spot or undersized point owing to certain PRN device is normal, then the size of the print point of the PRN device of side that faulty equipment is adjacent or two sides generation increases.
15. printer as claimed in claim 11 is characterized in that, if PRN device is a temperature-sensitive machinery ink-jet apparatus, then above-mentioned control system can prolong the working time of ink-jet apparatus or bigger driving signal is provided, or the two has concurrently.
16. printer as claimed in claim 11 is characterized in that, if PRN device is a luminaire, can regulate the luminous quantity of luminaire.
17. printer as claimed in claim 11 is characterized in that, if described equipment is the part of photosensitive imaging drum, then the size of above-mentioned adjustment point can be regulated by the light exposure that changes PRN device.
18. printer as claimed in claim 11 is characterized in that, at least some large-sized adjustment points contact or overlap with adjacent point.
19. printer as claimed in claim 11 is characterized in that, the point after the size adjusting does not contact or overlaps with adjacent point.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/AU2000/000751 WO2002002330A1 (en) | 2000-06-30 | 2000-06-30 | Ink jet fault tolerance using extra ink dots |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1454149A true CN1454149A (en) | 2003-11-05 |
| CN1216742C CN1216742C (en) | 2005-08-31 |
Family
ID=29588476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN008197083A Expired - Fee Related CN1216742C (en) | 2000-06-30 | 2000-06-30 | Ink jet fault tolerance using extra ink dots |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JP2004501008A (en) |
| CN (1) | CN1216742C (en) |
| AU (1) | AU2000253741B2 (en) |
| DE (1) | DE60032641T2 (en) |
| IL (1) | IL153430A (en) |
| ZA (1) | ZA200210022B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8042914B2 (en) | 2007-09-20 | 2011-10-25 | Kabushiki Kaisha Toshiba | Jetting error detector, droplet jetting applicator and display device manufacturing method |
| US8382232B2 (en) | 2000-06-30 | 2013-02-26 | Zamtec Ltd | Method of operating printer with incorrectly operating nozzles |
| CN104441973A (en) * | 2013-09-12 | 2015-03-25 | 精工爱普生株式会社 | Inkjet printer and printing method |
| CN104816544A (en) * | 2014-02-03 | 2015-08-05 | 精工爱普生株式会社 | Image forming device and dot pattern determining method |
| CN110154557A (en) * | 2019-04-29 | 2019-08-23 | 湖南鼎一致远科技发展有限公司 | The print control program and thermal transfer printer of thermal transfer printer |
| CN115447278A (en) * | 2021-06-08 | 2022-12-09 | 深圳市汉森软件有限公司 | Printing method, device and equipment for improving image uniformity and storage medium |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100344452C (en) * | 2000-06-30 | 2007-10-24 | 西尔弗布鲁克研究有限公司 | Image compensation method for ink-ejecting print |
| JP2018167492A (en) * | 2017-03-30 | 2018-11-01 | 株式会社ミマキエンジニアリング | Ink jet printer and printing method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AUPN231995A0 (en) * | 1995-04-12 | 1995-05-04 | Eastman Kodak Company | Page image and fault tolerance routing device for lift printing systems |
| JPH0924609A (en) * | 1995-07-12 | 1997-01-28 | Mita Ind Co Ltd | Ink jet head driving device |
| JPH106488A (en) * | 1996-06-24 | 1998-01-13 | Canon Inc | Ink jet recording method and its apparatus |
| EP0981105A1 (en) * | 1998-08-17 | 2000-02-23 | Océ-Technologies B.V. | Method of compensating failure of a dot generating unit in a printing system |
| EP0983855A3 (en) * | 1998-08-31 | 2000-08-02 | Hewlett-Packard Company | Dot substitution to compensate for failed ink jet nozzles |
| AU767075B2 (en) * | 2000-05-22 | 2003-10-30 | Canon Kabushiki Kaisha | Defective nozzle compensation |
-
2000
- 2000-06-30 IL IL15343000A patent/IL153430A/en not_active IP Right Cessation
- 2000-06-30 AU AU2000253741A patent/AU2000253741B2/en not_active Ceased
- 2000-06-30 DE DE60032641T patent/DE60032641T2/en not_active Expired - Lifetime
- 2000-06-30 CN CN008197083A patent/CN1216742C/en not_active Expired - Fee Related
- 2000-06-30 JP JP2002506938A patent/JP2004501008A/en active Pending
-
2002
- 2002-12-11 ZA ZA200210022A patent/ZA200210022B/en unknown
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8382232B2 (en) | 2000-06-30 | 2013-02-26 | Zamtec Ltd | Method of operating printer with incorrectly operating nozzles |
| US8042914B2 (en) | 2007-09-20 | 2011-10-25 | Kabushiki Kaisha Toshiba | Jetting error detector, droplet jetting applicator and display device manufacturing method |
| CN104441973A (en) * | 2013-09-12 | 2015-03-25 | 精工爱普生株式会社 | Inkjet printer and printing method |
| CN104816544A (en) * | 2014-02-03 | 2015-08-05 | 精工爱普生株式会社 | Image forming device and dot pattern determining method |
| CN104816544B (en) * | 2014-02-03 | 2016-09-28 | 精工爱普生株式会社 | Image processing system and dot pattern determining method |
| CN110154557A (en) * | 2019-04-29 | 2019-08-23 | 湖南鼎一致远科技发展有限公司 | The print control program and thermal transfer printer of thermal transfer printer |
| CN115447278A (en) * | 2021-06-08 | 2022-12-09 | 深圳市汉森软件有限公司 | Printing method, device and equipment for improving image uniformity and storage medium |
| CN115447278B (en) * | 2021-06-08 | 2023-08-15 | 深圳市汉森软件有限公司 | Printing method, device, equipment and storage medium for improving image uniformity |
Also Published As
| Publication number | Publication date |
|---|---|
| IL153430A0 (en) | 2003-07-06 |
| CN1216742C (en) | 2005-08-31 |
| JP2004501008A (en) | 2004-01-15 |
| AU2000253741A1 (en) | 2002-04-11 |
| IL153430A (en) | 2005-08-31 |
| AU2000253741B2 (en) | 2004-05-06 |
| DE60032641T2 (en) | 2007-10-18 |
| ZA200210022B (en) | 2003-07-30 |
| DE60032641D1 (en) | 2007-02-08 |
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Owner name: ZAMTEC LTD. Free format text: FORMER OWNER: SILVERBROOK RESEARCH PTY. LTD. Effective date: 20140326 |
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Owner name: MAGTE TECHNOLOGY CO., LTD. Free format text: FORMER NAME: ZAMTEC LTD. |
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Address after: Dublin, Ireland Patentee after: MEMJET TECHNOLOGY LTD. Address before: Dublin, Ireland Patentee before: Silverbrook Research Pty Ltd. |
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