CN1105026C - Paper width detecting apparatus and method for ink-jet printer - Google Patents
Paper width detecting apparatus and method for ink-jet printer Download PDFInfo
- Publication number
- CN1105026C CN1105026C CN97126357A CN97126357A CN1105026C CN 1105026 C CN1105026 C CN 1105026C CN 97126357 A CN97126357 A CN 97126357A CN 97126357 A CN97126357 A CN 97126357A CN 1105026 C CN1105026 C CN 1105026C
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- CN
- China
- Prior art keywords
- paper
- ink
- light
- rib
- 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.)
- Expired - Fee Related
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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
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/0025—Handling copy materials differing in width
- B41J11/003—Paper-size detection, i.e. automatic detection of the length and/or width of copy material
-
- 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
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/0025—Handling copy materials differing in width
-
- 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
- B41J13/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in short lengths, e.g. sheets
- B41J13/0054—Handling sheets of differing lengths
-
- 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
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/008—Controlling printhead for accurately positioning print image on printing material, e.g. with the intention to control the width of margins
-
- 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
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/36—Blanking or long feeds; Feeding to a particular line, e.g. by rotation of platen or feed roller
Landscapes
- Ink Jet (AREA)
- Accessory Devices And Overall Control Thereof (AREA)
Abstract
A paper width detecting apparatus and method for an inkjet printer includes a right paper support integrally formed with a right home position detecting rib; a paper feeding portion for receiving paper sheets and supplying them for printing with the left paper guide movable left and right to tightly fix the paper at the reference of the right paper support; a paper feeding roller for supplying the paper sheets received from the paper feeding portion; a carrier that reciprocates for printing on the paper sheets supplied through the rotation of the paper feeding roller; a photosensor for detecting a light signal output from a light emitting device mounted on the left paper end detecting rib to determine a paper width.
Description
The present invention relates to a kind of paper width detecting apparatus and method thereof that is used for ink-jet printer, especially so a kind of paper width detecting apparatus and method thereof that is used for ink-jet printer, wherein, optical sensor attached on the delivery part with the width of test paper, thereby, prevent that the inside of printer is contaminated.
In normally used ink-jet printer, be applied to the heat on the China ink that is stored in its printhead, produce similar foam lathery.This foam goes out by nozzle ejection so that form word on print paper.In the method, font and symbol show on paper.Because it uses foam,, this mode sprays so also being called Mo Zhu.
Such printer uses about 64 nozzles usually, and the form of font is pressurizeed downwards by a program, and image and symbol also can be printed.In this ink-jet printer, the resolution ratio of font or symbol generally is 360 DPI (points/inch).Kind according to the printhead of installing can obtain colour print.
The common structure of ink-jet printer has a delivery part that is bearing on the main frame, and this delivery part is along belt wheel, by the timing belt move left and right; One is installed in the printhead on the delivery part, and moves with ink-jet; Be installed in the nozzle on the printhead, by this nozzle with predetermined form ink-jet; One is installed in the rotating plate on the main frame, is used for transporting paper at print procedure, simultaneously, play supporting role; One is installed in the pressing plate on the main frame, is used to make paper to be close to onboard; And wiper/lid, be used for cleaning or closed-nozzle with predetermined period according to clean signal at print procedure.Below in conjunction with accompanying drawing this ink-jet printer of the prior art is described.
Fig. 1 has schematically represented ink-jet printer, and it comprises paper-feeding part 2, and this place is used for storing paper 1; Paper feeding roller 3 is used for supplying the paper 1 that is stored in paper-feeding part 2 so that print; Delivery part 4 moves back and forth so that print on the paper of being supplied with by paper feeding roller 3; Be used to the reciprocating motion guiding of delivery part for one 5; One printhead 6, it is guided by axle 5 and is installed on the reciprocating delivery part 4, is used for the heat ink-jet that applies; Ink holder 7 is used for cleaning the back side of paper after the front of using the black print paper that sprays from printhead 6; And carry running roller 8, be used to make paper to pass ink holder 7 and send.The operation of the ink-jet printer of said structure is described below.
At first, the content in order to adopt ink-jet printer output user to handle with the PC (not shown) is stored in paper 1 in the paper-feeding part 2 of ink-jet printer.After the storage paper was intact, the user sent print command by PC to printer.Rotate paper feeding roller 3 so that the guide end 1a of paper is transported to the nozzle bottom of printhead 3 in case receive instruction ink-jet printer inhour.
The black pearl of ejecting from the printhead 6 that is installed on the axle 5 reciprocating delivery parts 4 is attached on the print paper 1 of conveying.Printing is by being attached to black pearl on the print paper 1, and is achieved.Herein, the bottom of ink-jet printer is contaminated in order to prevent to print in the zone of the width that surpasses print paper, adopts the fast China ink of doing.The pollution sources of printer back are difficult to eliminate owing to not removing China ink in the ink-jet printer that uses this China ink.
For this reason, ink holder 7 is installed, to remove owing to surpassing the pollution that the wide printing of paper causes.This ink holder 7 absorbs and cleans the China ink of the width that surpasses paper 1.The paper of printing fully by this program 1 passes through the paper feed running roller, comes out along the direction shown in the arrow.
Yet the uptake of ink holder is limited, and material is specific use, and this has caused the manufacturing cost of printer to increase.In addition, the unnecessary printing outside the printing paper width has consumed a large amount of China inks.
Therefore, in order to overcome these shortcomings of prior art, the object of the present invention is to provide a kind of checkout gear and method that is used for the paper width of ink-jet printer, wherein an optical sensor is installed on and detects the width of print paper on the delivery part so that prevent to print the lower part that also therefore prevents ink-jet printer above the scope of paper width.
Another object of the present invention is to provides a kind of checkout gear and method that is used to reduce the paper width of black liquid consumption by preventing to exceed the width that is printed paper.
In order to reach above-mentioned purpose of the present invention, a kind of checkout gear and method that is used for the paper width of ink-jet printer is provided, comprising: a right side paper support member, it forms an integral body and has a right basal position that comprises one first light-emitting device puts the detection rib; One paper-feeding part is used to receive paper and they is provided to left paper guide, but this guide member move left and right is so that be that benchmark fixes paper with the right side paper support member; One paper feeding roller is used to provide the paper that receives from paper-feeding part; One delivery part is used for moving back and forth on paper and prints, and wherein paper provides by the rotation that paper advances; One optical sensor is used to detect one from being installed in the optical signal that optical signal and that left side paper end detects second light-emitting device output on the rib gives from first light-emitting device that is installed on the right side playback position probing rib.
Describe the present invention below in conjunction with accompanying drawing, above-mentioned feature of the present invention and further feature will be easier to understand, in the accompanying drawing:
Fig. 1 is the schematic diagram of ink-jet printer of the prior art;
Fig. 2 is the schematic diagram with ink-jet printer of paper width detecting apparatus of the present invention;
Fig. 3 is the profile of the ink-jet printer among Fig. 2;
Fig. 4 is the figure of the method for expression test paper width; With
Fig. 5 is the flow chart of the method for expression test paper width of the present invention.
After this, will describe the preferred embodiments of the present invention in conjunction with the accompanying drawings.
With reference to figure 2, a kind of ink-jet printer that has according to paper width detecting apparatus of the present invention comprises a right side paper support member 11, and to detect rib 11a integrally formed with the right basal position with one first light-emitting device 11b is housed for it, and the benchmark of this support member is as the base position; One left side paper guide member 12, to detect rib 12a integrally formed with a left side paper end with one second light-emitting device 12b is housed in the one guide end, but a paper-feeding part 10 is used to pack into page and with left side paper guide member 12 paper supplies of move left and right with paper tightly is fixed on right side paper support member 11 benchmark; One paper feeding roller 21 is used to provide the paper from paper-feeding part 10, and one the delivery part 30 to print on the page that provides in the rotation by paper feeding roller 21 is provided; One be used to detect from be contained in left side paper end detect rib 12a second light-emitting device 12b output optical signal and be contained on the delivery part 30 and move back and forth by axle 33 and inject black ink gun 31 from being contained in optical sensor 32, that right basal position detects the first light-emitting device optical signal that 11b applies on the rib 11a; And the conveying running roller 22 of a rotation paper delivery when printing simultaneously by ink gun 31 ink-jets thereon.
To introduce the operation that detects paper width below.
When the user sends one when printing order by PC (not drawing among the figure) to ink-jet printer, paper feeding roller 21 rotates according to the print command of being given.When paper feeding roller 21 rotated, the guide edge of the page on the paper-feeding part 10 was positioned at the bottom of the nozzle plate of ink gun 31.
Here, the user puts into page the reference position of right side paper support member 11.Under this state, it is luminous to be contained in the first light-emitting device 11b that right basal position detects on the guide end of rib 11a, and simultaneously, it extend out to the nozzle plate bottom of the ink gun 31 on the guide end of right side paper support member 11.The light that sends is detected by the optical sensor directly over this device 32.
Simultaneously, but the left side paper guide member 12 of utilization move left and right, and the page that is positioned at paper-feeding part 10 is pushed down fully and tightly.This makes the second light-emitting device 12b be installed in to be loaded on the left paper of left side paper guide member 12 1 guide end to detect on the guide edge of rib.
When optical sensor 32 detected the base position that is installed on the guide edge that right basal position detects rib, delivery part 30 was moved to the left along axle 33, and light sensors detects the light that the second light-emitting device 12b on the rib 12a is sent by being contained in left side paper end then.To detect the detected mode of the light of the first light-emitting device 11b of the guide end on the rib be the same to this process with being contained in right basal position.
When the optical sensor 32 that is loaded on the delivery part 30 detects the light time that is produced by paper left end and right-hand member, just produce an electric current.Specifically, be to measure distance to deliver part 30 simultaneously and return the benchmark position of detecting the first light-emitting device light that 11b is sent on the guide end of rib 11a with the reference right basal position left and detect the light that sends by the second light-emitting device 12b that is contained on the left side paper end detection rib 12a.
For example, when optical sensor 32 detects the light time that produces from base position, the distance of the light that sends to the second light-emitting device 12b is detected, and calculates with reference to the benchmark by the detected light in base position.The calculating of this distance is to carry out with the distance computation routine in the microcomputer (not shown) that is pre-stored in the built-in drive circuit PCB (not shown) of ink-jet printer.
When finishing distance calculating, ink-jet the nozzle of the ink gun 31 on being contained in delivery part 30.Mo Zhu falls on the page according to precalculated width, prevents that the page printing from exceeding width.The paper of having printed is sent by the rotatory force of carrying running roller 22.
Illustrate in greater detail the position of the optical sensor 32 of the light that detection sends below with reference to accompanying drawing.
Fig. 3 is the part of ink-jet printer shown in Figure 2.With reference to figure 3, the paper-feeding part 10 of the page of packing into is paper supply as shown in the figure.Here, when detecting, just prints when rib 11a places the bottom of surveyed area of the optical sensor 32 on being contained in delivery part 30 right basal position that the right side paper support member 11 that is used for page benchmark position is installed and is fitted together with right side paper support member 11.The height of optical sensor 32 is controlled, detects the first light-emitting device 11b on the guide end of rib 11a with box lunch at right basal position and maintained distance when luminous before light sends.
The process that detects various paper widths with optical sensor 32 will be described now.
Fig. 4 represents several paper of paper-feeding part 10.At first, under the situation that square frame 41 is arranged, detecting the benchmark place of rib 11a with the right basal position of right side paper support member 11 global formations, detect rib 12a with the left paper end of guiding piece of left paper 12 global formations, move right, so that closely contact, so that left and right sides rib is separated by square frame width S 1 with square frame.When guiding piece of left paper 12 contacted with square frame 41 tight 41, the first light-emitting device 11b that is installed on the right basal position detection rib 11a was luminous.In addition, the second light-emitting device 12b that is installed on the guide end that left paper end detects rib 12a is luminous, the width that this light is detected with calculation block 41 by optical sensor 32.For A4 size 42 and letter size 43, carry out identical program to calculate their width.
The step that calculating printing paper width is printed then will be described in hereinafter.
With reference to figure 5, the method for measuring the printing paper width according to the present invention may further comprise the steps:
Determining of beginning (S50-1) paper width; When after the paper width of step S50-1 is determined to be ready to fully, determine whether (S50-2) print command is imported; When not feeling print command, return (S50-3) to the original position that detects step at print command.When in the S50-2 step, detecting print command, make printhead 31 and move right (S50-4) left; When printhead 31 is moved to the left in step S50-4, the optical sensor 32 of determining (S50-5) leftmost side be open or close; When the optical sensor 32 in left side is provided with beginning in step S50-5, return (S50-6) to step S50-4; When being in, optical sensor 32 in step S50-5 make printhead return (S50-7) when opening; When printhead 31 returns in step S50-7, calculate (S50-8) print area; When in step S50-8, calculating, identification and storage (S50-9) print area; When identification and storage print area in step S50-9, beginning (S50-10) is printed; When printing beginning in step S50-10, whether decision (S50-11) has the data except that print area or does not have; When data except that printing not in step S50-11, carry out (S50-12) and print; If in step S50-11, have the data except that printing, ignore (S50-13) these data; And finish when printing at step S50-13 and S50-12, finish (S50-14).
It hereinafter is the more detailed description of the present invention.
When printhead 31 was mobile fully in the S50-4 step, the optical sensor 32 of the leftmost side began to open (ON).Do not open if measure the optical sensor 32 of the left margin distance of printing paper, printhead returns on the position on printing paper border in the S50-4 step.The optical sensor 32 that links to each other with delivery part 30 is reaffirmed the original position of printing paper then, and described delivery part has printhead 31.On the contrary, if the optical sensor on the left side 32 begins to open, printhead returns from the original position of step S50-6.When printhead returns fully, detect the width of printing paper.In the S50-8 step, calculate the width of printing paper.Then the printing paper width that calculates is stored among the NVRAM Duilt that drives the loop.
When the width of printing paper is when determining in the S50-9 step, then in the S50-10 step, print.At this, in step S50-11, determine other data that except that print area, exist.If do not have other data, in step S50-12, print according to the print data of passing to ink-jet printer according to the result.
If except that print area, also have other data, in step S50-13, print and do not go to manage it.Print and when having determined the paper width when finishing, carry out step S50-14 and finish.
As mentioned above, the present invention can prevent that China ink is printed on the back side of paper, thereby has eliminated the pollution of ink-jet printer inside fully.
, do not deviate under the prerequisite of the scope of the invention and can carry out many changes and improvements for explanation with describe purpose of the present invention and help to understand the narration that 4 the present invention carry out according to above, this point is conspicuous for the reader.Therefore, scope of the present invention is by appended claim rather than by this specification statement, and all fall into all changes within equivalent claim scope and the meaning and are the present invention and contain.
Claims (3)
1. a paper width detecting apparatus that is used for ink-jet printer is characterized in that, comprising:
One right side paper support member, it is integrally formed with the right side playback position probing rib with one first light-emitting device, and the datum mark of this support member is the playback position of printing paper;
One left side paper support member, in its guide end, integrally formed with left side paper end detection rib with one second light-emitting device;
One paper-feeding part is used to receive paper and supplies with paper, but and left side paper guide member move left and right, paper is fixed on tightly the datum of right side paper support member;
One paper feeding roller is used to supply with the paper that receives from paper-feeding part;
One delivery part, it moves back and forth to print on the paper of supplying with by the rotation of paper feeding roller;
One optical sensor is used to detect one from being installed in the optical signal that optical signal and that left side paper end detects second light-emitting device output on the rib gives from first light-emitting device that is installed on the right side playback position probing rib.
2. the method for a test paper width in ink-jet printer, it may further comprise the steps:
1) determines whether a printing order is imported;
2) when move left and right printhead when step 1) detects print command;
3) determine when printhead in step 2) whether the optical sensor that is positioned at the leftmost side when being moved to the left open;
4) when optical sensor be when opening in step 3), make head return;
5) when printhead during, calculate print area at the step 4) return;
6) when when step 5) is calculated, discern and store this print area;
7) when print area when step 6) is identified and store, begin to print;
8) determine when other data that when step 7) begins to print, whether have except print area;
9) when not having other data, print in step 8);
10) if, then ignore it, print again in step 9) existence other data except that print area.
3. method as claimed in claim 2 is characterized in that, also comprises if optical sensor is not opened in step 3) then restarted the step of this process.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR80906/96 | 1996-12-31 | ||
| KR80906/1996 | 1996-12-31 | ||
| KR1019960080906A KR100195909B1 (en) | 1996-12-31 | 1996-12-31 | Method and device sensing paper width for ink jet printer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1187423A CN1187423A (en) | 1998-07-15 |
| CN1105026C true CN1105026C (en) | 2003-04-09 |
Family
ID=19493756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97126357A Expired - Fee Related CN1105026C (en) | 1996-12-31 | 1997-12-31 | Paper width detecting apparatus and method for ink-jet printer |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR100195909B1 (en) |
| CN (1) | CN1105026C (en) |
| GB (1) | GB2320913B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100372689C (en) * | 2004-04-15 | 2008-03-05 | 虹光精密工业（苏州）有限公司 | Paper width detector |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1190864A1 (en) * | 2000-09-21 | 2002-03-27 | GRETAG IMAGING Trading AG | Method and device for printing digital image information |
| EP1847398B1 (en) * | 2000-09-27 | 2010-06-09 | Seiko Epson Corporation | Printing with sensor-based positioning of printing paper |
| KR20020037576A (en) * | 2000-11-14 | 2002-05-22 | 하현승 | Direct printing plate processing method using inkjet |
| CN1330501C (en) * | 2004-02-06 | 2007-08-08 | 国际联合科技股份有限公司 | Paper width detecting device of printing system and its paper width detecting method |
| JP4345548B2 (en) * | 2004-03-31 | 2009-10-14 | ブラザー工業株式会社 | Serial printer |
| JP5217737B2 (en) * | 2008-07-30 | 2013-06-19 | セイコーエプソン株式会社 | Paper width detection method for label printer, printing control method for label printer, and label printer |
| EP2149454B1 (en) * | 2008-07-30 | 2016-11-16 | Seiko Epson Corporation | Paper width determination method for a label printer, printing control method for a label printer, and a label printer |
| CN113386471A (en) * | 2021-08-04 | 2021-09-14 | 深圳亿瓦创新科技有限公司 | Printing system based on portable printer and expansion piece and control method |
| CN115431645B (en) * | 2022-09-23 | 2023-08-08 | 深圳市润天智数字设备股份有限公司 | Print positioning method, print positioning device, print system, and readable storage medium |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5192141A (en) * | 1991-05-02 | 1993-03-09 | Tidemark Corporation | Multi-dimensional media printer with media based registration and free edge printing |
-
1996
- 1996-12-31 KR KR1019960080906A patent/KR100195909B1/en not_active IP Right Cessation
-
1997
- 1997-12-31 GB GB9727531A patent/GB2320913B/en not_active Expired - Fee Related
- 1997-12-31 CN CN97126357A patent/CN1105026C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100372689C (en) * | 2004-04-15 | 2008-03-05 | 虹光精密工业（苏州）有限公司 | Paper width detector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1187423A (en) | 1998-07-15 |
| KR19980061535A (en) | 1998-10-07 |
| KR100195909B1 (en) | 1999-06-15 |
| GB2320913B (en) | 2001-09-05 |
| GB2320913A (en) | 1998-07-08 |
| GB9727531D0 (en) | 1998-02-25 |
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