CN101391531B - Control method for defect recovery of lattice type typing equipment - Google Patents
Control method for defect recovery of lattice type typing equipment Download PDFInfo
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- CN101391531B CN101391531B CN2008100720401A CN200810072040A CN101391531B CN 101391531 B CN101391531 B CN 101391531B CN 2008100720401 A CN2008100720401 A CN 2008100720401A CN 200810072040 A CN200810072040 A CN 200810072040A CN 101391531 B CN101391531 B CN 101391531B
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Abstract
The invention relates to a control method for recovering defects of dot-matrix typed printing equipment. The method divides the printing head of the dot-matrix typed printing equipment into n printing point modules in the height direction from top to bottom; when defects occur to the printing characters, the i-th printing point module where the defect occurs is shielded and the j-th printing point module which is closest to the i-th printing point module and has no defect is used for replacing the printing operation which is supposed to be completed by the i-th printing point module. The method not only can ensure the printing quality without replacing the printing head, has strong practicability, but also prolongs the service life of the printing head, saves the use cost and has good use effect.
Description
Technical field
The present invention relates to a kind of control method of defect recovery of lattice type typing equipment.
Background technology
In the prior art, impact printer is applied to the data printing of professional domains such as document, invoice, form widely.Because impact printer work under bad environment, working time are long, print media is more rough, causes the printhead broken needle easily, makes print quality decline.But the user often feels simply helpless under the situation that can't change for the moment printhead urgent need assurance print quality.And the frequent replacing of printhead also can cause unnecessary waste, has increased the cost consumption of impact printer in daily use.
Summary of the invention
The object of the present invention is to provide a kind of control method of defect recovery of lattice type typing equipment, this method not only can guarantee the lettering quality under the situation of not changing print head, practical, and prolonged service life of print head, and saved use cost, result of use is good.
The technical solution used in the present invention is: the control method of this defect recovery of lattice type typing equipment is divided into n print point module with the print head of lattice type typing equipment from top to bottom along the font height direction, and carries out defect recovery work as follows:
(1) detects the lattice type typing equipment lettering and shortcoming whether occurs, if then start the defect recovery function;
(2) if started the defect recovery function, then mask that print point module that the shortcoming situation occurs, be made as i print point module, the height of described i print point module is Hi;
(3) find from i nearest and impeccable j the print point module of print point module, if the total height of all print point modules is H between i print point module and j the print point module, print head and printing paper are done relative motion along the font height direction, the relative motion distance is (Hi+H), so that j print point module is positioned at original i residing operating position of print point module;
(4) replace i print point module printing note to need i the lettering content that the print point module is finished with corresponding print point in j the print point module;
(5) print head and printing paper are done rightabout relative motion along the font height direction, so that print head is got back to normal operation position;
(6) detect whether also to have other shortcomings, if having then return step (2); If no, then print remaining lettering content with other print point modules that shortcoming do not occur;
(7) the lettering task of carrying out other normal flow is handled.
The another kind of technical scheme that the present invention adopts is: the control method of this defect recovery of lattice type typing equipment, it is characterized in that: the print head of lattice type typing equipment is divided into n print point module from top to bottom along the font height direction, and carries out defect recovery work as follows:
(1) detects the lattice type typing equipment lettering and shortcoming whether occurs, if then start the defect recovery function;
(2), then mask those print point modules that the shortcoming situation occurs if started the defect recovery function;
(3) print set separately lettering content with other print point modules that shortcoming do not occur.
What (4) set out existing shortcoming is i print point module, the height of described i print point module is Hi, find from i nearest and impeccable j the print point module of print point module, if the total height of all print point modules is H between i print point module and j the print point module, print head and printing paper are done relative motion along the font height direction, the relative motion distance is (Hi+H), so that j print point module is positioned at original i residing operating position of print point module;
(5) replace i print point module printing note to need i the lettering content that the print point module is finished with corresponding print point in j the print point module;
(6) print head and printing paper are done rightabout relative motion along the font height direction, so that print head is got back to normal operation position;
(7) detect whether also to have other shortcomings, if having then return step (4); If no, then carrying out the lettering task of other normal flow handles.
The invention has the beneficial effects as follows: can strengthen the utility function of dot matrix typing equipment, make the user in being busy with one's work, need not to send the professional to keep in repair in machine, just can solve, be user-friendly to because of print head lacks the problem that pin causes print quality.
In addition, also can realize reasonable utilization, prolong the service life of print head, save use cost, have wide market application prospect print head.
The present invention is described in further detail below in conjunction with drawings and the specific embodiments.
Description of drawings
Fig. 1 is the defect recovery workflow diagram of the embodiment of the invention one.
Fig. 2 is the defect recovery workflow diagram of the embodiment of the invention two.
Fig. 3 is the schematic diagram that the embodiment of the invention three is divided into the print head of 24 pins 2 print point modules.
Fig. 4 is the schematic diagram that the embodiment of the invention three utilizes the latter half print point module to carry out defect recovery work.
Fig. 5 is the schematic diagram that the embodiment of the invention three utilizes the first half print point module to carry out defect recovery work.
The specific embodiment
The control method of defect recovery of lattice type typing equipment of the present invention is divided into n print point module with the print head of lattice type typing equipment from top to bottom along the font height direction, and carries out defect recovery work as follows:
(1) detects the lattice type typing equipment lettering and shortcoming whether occurs, if then start the defect recovery function;
(2) if started the defect recovery function, then mask that print point module that the shortcoming situation occurs, be made as i print point module, the height of described i print point module is Hi;
(3) find from i nearest and impeccable j the print point module of print point module, if the total height of all print point modules is H between i print point module and j the print point module, print head and printing paper are done relative motion along the font height direction, the relative motion distance is (Hi+H), so that j print point module is positioned at original i residing operating position of print point module;
(4) replace i print point module printing note to need i the lettering content that the print point module is finished with corresponding print point in j the print point module;
(5) print head and printing paper are done rightabout relative motion along the font height direction, so that print head is got back to normal operation position;
(6) detect whether also to have other shortcomings, if having then return step (2); If no, then print remaining lettering content with other print point modules that shortcoming do not occur;
(7) the lettering task of carrying out other normal flow is handled.
The value of total number n of described print point module is 2～4.
When the work in the print head is counted m can be divided exactly by n the time, print head is to be divided into n print point module along the font height direction, then in step (3), in order to make j print point module be in original i residing operating position of print point module, print head and printing paper are font height along the distance of font height direction relative motion | (j-i)/and n|.
Count m can not be divided exactly by n the time when the work in the print head, the operating point that has more is divided in the print point module that shortcoming do not occur.
Being provided with shortcoming test function module in lattice type typing equipment inside, is that shortcoming appears in which print point module to test in the print head.
Print head and printing paper are that paper advance mechanism by lattice type typing equipment drives the relative print head paper feed of printing paper and carries out along the relative motion of font height direction.
Another embodiment of the present invention is:
The control method of defect recovery of lattice type typing equipment of the present invention is divided into n print point module with the print head of lattice type typing equipment from top to bottom along the font height direction, and carries out defect recovery work as follows:
(1) detects the lattice type typing equipment lettering and shortcoming whether occurs, if then start the defect recovery function;
(2), then mask those print point modules that the shortcoming situation occurs if started the defect recovery function;
(3) print set separately lettering content with other print point modules that shortcoming do not occur.
What (4) set out existing shortcoming is i print point module, the height of described i print point module is Hi, find from i nearest and impeccable j the print point module of print point module, if the total height of all print point modules is H between i print point module and j the print point module, print head and printing paper are done relative motion along the font height direction, the relative motion distance is (Hi+H), so that j print point module is positioned at original i residing operating position of print point module;
(5) replace i print point module printing note to need i the lettering content that the print point module is finished with corresponding print point in j the print point module;
(6) print head and printing paper are done rightabout relative motion along the font height direction, so that print head is got back to normal operation position;
(7) detect whether also to have other shortcomings, if having then return step (4); If no, then carrying out the lettering task of other normal flow handles.
The value of total number n of described print point module is 2～4.
When the work in the print head is counted m can be divided exactly by n the time, print head is to be divided into n print point module along the font height direction, then in step (3), in order to make j print point module be in original i residing operating position of print point module, print head and printing paper are font height along the distance of font height direction relative motion | (j-i)/and n|.
Count m can not be divided exactly by n the time when the work in the print head, the operating point that has more is divided in the print point module that shortcoming do not occur.
Being provided with shortcoming test function module in lattice type typing equipment inside, is that shortcoming appears in which print point module to test in the print head.
Print head and printing paper are that paper advance mechanism by lattice type typing equipment drives the relative print head paper feed of printing paper and carries out along the relative motion of font height direction.
With printhead is that the impact printer of 24 pins is an example, gets n=2, sets forth the implementation procedure of defect recovery work of the present invention.
As shown in Figure 3, the print needle that is 24 pin printheads with a pin number is divided into two parts print point module up and down, each 12 pin of every part print point module.
As shown in Figure 4, if have arbitrary print needle not go out pin in 12 print needles of the first half print point module, then shield 12 print needles of the first half print point module, substitute the data content of 12 print needles printing the first half of the first half print point module with 12 print needles of the latter half print point module; Paper feed makes printhead get back to normal operation position, and then prints remaining the latter half data contents with 12 stylus printers of the latter half print point module.
As shown in Figure 5,, then shield 12 print needles of the latter half print point module, print the data content of the first half with 12 print needles of the first half print point module if having arbitrary print needle not go out pin in 12 print needles of the latter half print point module; Paper feed makes 12 print needles of the first half print point module substitute the data content of 12 print needles printing the latter halfs of the latter half print point module, thereby makes actual printing effect the same with the effect that does not have print needle to fracture then.
More than be preferred embodiment of the present invention, all changes of doing according to technical solution of the present invention when the function that is produced does not exceed the scope of technical solution of the present invention, all belong to protection scope of the present invention.
Claims (6)
1. the control method of a defect recovery of lattice type typing equipment is characterized in that: the print head of lattice type typing equipment is divided into n print point module from top to bottom along the font height direction, and carries out defect recovery work as follows:
(1) detects the lattice type typing equipment lettering and shortcoming whether occurs, if then start the defect recovery function;
(2) if started the defect recovery function, then mask that print point module that the shortcoming situation occurs, be made as i print point module, the height of described i print point module is Hi;
(3) find from i nearest and impeccable j the print point module of print point module, if the total height of all print point modules is H between i print point module and j the print point module, print head and printing paper are done relative motion along the font height direction, the relative motion distance is (Hi+H), so that j print point module is positioned at original i residing operating position of print point module;
(4) replace i print point module printing note to need i the lettering content that the print point module is finished with corresponding print point in j the print point module;
(5) print head and printing paper are done rightabout relative motion along the font height direction, so that print head is got back to normal operation position;
(6) detect whether also to have other shortcomings, if having then return step (2); If no, then print remaining lettering content with other print point modules that shortcoming do not occur;
(7) the lettering task of carrying out other normal flow is handled;
The value of total number n of the print point module described in the above-mentioned steps is 2～4; Work in the described print head is counted m can be divided exactly by n the time, print head is to be divided into n print point module along the font height direction, then in step (3), in order to make j print point module be in original i residing operating position of print point module, print head and printing paper are font height along the distance of font height direction relative motion | (j-i)/and n|; Work in the described print head is counted m can not be divided exactly by n the time, and the operating point that has more is divided in the print point module that shortcoming do not occur.
3. the control method of defect recovery of lattice type typing equipment according to claim 1 is characterized in that: be provided with shortcoming test function module in lattice type typing equipment inside, being that shortcoming appears in which print point module in the test print head.
4. the control method of defect recovery of lattice type typing equipment according to claim 1 is characterized in that: print head and printing paper are that paper advance mechanism by lattice type typing equipment drives the relative print head paper feed of printing paper and carries out along the relative motion of font height direction.
5. the control method of a defect recovery of lattice type typing equipment is characterized in that: the print head of lattice type typing equipment is divided into n print point module from top to bottom along the font height direction, and carries out defect recovery work as follows:
(1) detects the lattice type typing equipment lettering and shortcoming whether occurs, if then start the defect recovery function;
(2), then mask those print point modules that the shortcoming situation occurs if started the defect recovery function;
(3) print set separately lettering content with other print point modules that shortcoming do not occur.
What (4) set out existing shortcoming is i print point module, the height of described i print point module is Hi, find from i nearest and impeccable j the print point module of print point module, if the total height of all print point modules is H between i print point module and j the print point module, print head and printing paper are done relative motion along the font height direction, the relative motion distance is (Hi+H), so that j print point module is positioned at original i residing operating position of print point module;
(5) replace i print point module printing note to need i the lettering content that the print point module is finished with corresponding print point in j the print point module;
(6) print head and printing paper are done rightabout relative motion along the font height direction, so that print head is got back to normal operation position;
(7) detect whether also to have other shortcomings, if having then return step (4); If no, then carrying out the lettering task of other normal flow handles.
The value of total number n of the print point module described in the above-mentioned steps is 2～4; Work in the described print head is counted m can be divided exactly by n the time, print head is to be divided into n print point module along the font height direction, then in step (3), in order to make j print point module be in original i residing operating position of print point module, print head and printing paper are font height along the distance of font height direction relative motion | (j-i)/and n|; Work in the described print head is counted m can not be divided exactly by n the time, and the operating point that has more is divided in the print point module that shortcoming do not occur.
6. the control method of defect recovery of lattice type typing equipment according to claim 5 is characterized in that: be provided with shortcoming test function module in lattice type typing equipment inside, being that shortcoming appears in which print point module in the test print head.
7. the control method of defect recovery of lattice type typing equipment according to claim 5 is characterized in that: print head and printing paper are that paper advance mechanism by lattice type typing equipment drives the relative print head paper feed of printing paper and carries out along the relative motion of font height direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100720401A CN101391531B (en) | 2008-10-31 | 2008-10-31 | Control method for defect recovery of lattice type typing equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008100720401A CN101391531B (en) | 2008-10-31 | 2008-10-31 | Control method for defect recovery of lattice type typing equipment |
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| Publication Number | Publication Date |
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| CN101391531A CN101391531A (en) | 2009-03-25 |
| CN101391531B true CN101391531B (en) | 2011-01-26 |
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| CN118306109B (en) * | 2024-05-22 | 2024-11-08 | 深圳市玻尔智造科技有限公司 | Continuous coil stock defect marking method and system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5124720A (en) * | 1990-08-01 | 1992-06-23 | Hewlett-Packard Company | Fault-tolerant dot-matrix printing |
| CN1116993A (en) * | 1994-12-19 | 1996-02-21 | 北京得实电子有限公司 | Stylus-regulating method for prolonging service life of printing head in printer |
| CN1246413A (en) * | 1999-08-16 | 2000-03-08 | 北京得实电子有限公司 | Compensation method for broken needle of stylus printer |
| CN1454150A (en) * | 2000-06-30 | 2003-11-05 | 西尔弗布鲁克研究有限公司 | Ink jet fault tolerance using adjacent nozzles |
-
2008
- 2008-10-31 CN CN2008100720401A patent/CN101391531B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5124720A (en) * | 1990-08-01 | 1992-06-23 | Hewlett-Packard Company | Fault-tolerant dot-matrix printing |
| CN1116993A (en) * | 1994-12-19 | 1996-02-21 | 北京得实电子有限公司 | Stylus-regulating method for prolonging service life of printing head in printer |
| CN1246413A (en) * | 1999-08-16 | 2000-03-08 | 北京得实电子有限公司 | Compensation method for broken needle of stylus printer |
| CN1454150A (en) * | 2000-06-30 | 2003-11-05 | 西尔弗布鲁克研究有限公司 | Ink jet fault tolerance using adjacent nozzles |
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