KR19990004183A - Printer apparatus having orientation correction function of backing paper and its control method - Google Patents
Printer apparatus having orientation correction function of backing paper and its control method Download PDFInfo
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- KR19990004183A KR19990004183A KR1019970028223A KR19970028223A KR19990004183A KR 19990004183 A KR19990004183 A KR 19990004183A KR 1019970028223 A KR1019970028223 A KR 1019970028223A KR 19970028223 A KR19970028223 A KR 19970028223A KR 19990004183 A KR19990004183 A KR 19990004183A
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- South Korea
- Prior art keywords
- roller
- paper
- printing
- optical sensor
- image
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000003287 optical effect Effects 0.000 claims abstract description 17
- 238000005286 illumination Methods 0.000 claims description 9
- 230000001174 ascending effect Effects 0.000 claims description 4
- 230000000630 rising effect Effects 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims 1
- 238000005096 rolling process Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- 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
- B41J13/0009—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 control of the transport of the copy material
- B41J13/0018—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 control of the transport of the copy material in the sheet input section of automatic paper handling systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- 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
- B41J11/009—Detecting type of paper, e.g. by automatic reading of a code that is printed on a paper package or on a paper roll or by sensing the grade of translucency of the paper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- 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
- B41J11/0095—Detecting means for copy material, e.g. for detecting or sensing presence of copy material or its leading or trailing end
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- 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
- B41J13/0009—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 control of the transport of the copy material
- B41J13/0045—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 control of the transport of the copy material concerning sheet refeed sections of automatic paper handling systems, e.g. intermediate stackers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- 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
- B41J13/02—Rollers
- B41J13/03—Rollers driven, e.g. feed rollers separate from platen
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- 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
- B41J13/10—Sheet holders, retainers, movable guides, or stationary guides
- B41J13/103—Sheet holders, retainers, movable guides, or stationary guides for the sheet feeding section
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- 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
Landscapes
- Handling Of Sheets (AREA)
Abstract
이면지의 방향 수정 기능을 구비한 프린터 장치 및 그 제어방법에 관한 것이며, 이면지의 인쇄안된 면을 감지하여 그 면이 인쇄방향에 맞을 때는 정상적으로 급지하고 인쇄 방향과 맞지 않을 때는 급지방향을 역전시켜 이면지를 공급하기 위하여 상측 및 하측 일차원 카메라로 부터 이면지의 윗면과 아랫면을 촬영하여 그 영상을 입력받고, 그 영상을 처리하여 인쇄면을 판단하여 인쇄되어 있는 면이 윗면인 경우, 광센서로 부터 입력이 있는 지를 판단하여 광센서로 부터 입력이 없을 때에는 방향전환 롤러를 정회전시키면서 상기 광센서로 부터 입력이 있는 지를 반복하여 판단하고, 광센서로 부터 입력신호가 있는 경우 방향전환롤러를 정지시키고 다시 역회전시킨 후 인쇄하여 배출하는 한편, 인쇄되어 있는 면이 윗면이 아닐 경우, 방향 전환롤러를 정회전시키고 인쇄를 하여 배출한다.The present invention relates to a printer device having a function of correcting the orientation of the backing paper and a control method thereof, and to detect an unprinted side of the backing paper, and to feed the paper normally when the side is in the printing direction, and to reverse the feeding direction when the side is not in the printing direction. In order to supply, the upper and lower one-dimensional cameras take the upper and lower sides of the backing paper and input the image, and process the image to determine the printing surface. If there is no input from the optical sensor, judge whether there is an input from the optical sensor while rotating the direction change roller forward. If there is an input signal from the optical sensor, stop the direction change roller and turn again. If the printed side is not the top side, turn the direction-rolling roller. Rotate forward and print out.
Description
본 발명은 프린터 장치에 관한 것으로, 특히 이면지에서 인쇄가 안된 이면이 인쇄 방향으로 놓이지 않은 경우, 그 이면지를 역전시켜 인쇄안된 이면을 인쇄방향으로 놓을 수 있는 이면지의 방향 수정 기능을 구비한 프린터 장치및 그 제어방법에 관한 것이다.The present invention relates to a printer apparatus, and in particular, a printer apparatus having a direction correcting function of the backing paper which can reverse the backing paper so that the unprinted backing surface can be placed in the printing direction when the backside not printed on the backing paper is not placed in the printing direction, and The control method is related.
종래의 프린터에서는 인쇄할 면을 아래 또는 위로 향하게 하여 데크에 넣고 급지하여야 원하는 면에 인쇄할 수 있다. 그러나 이면지를 활용하여야 할 경우, 여러방향의 이면지가 섞여 있는 경우가 대부분이어서 그러한 종이를 정돈하여 한면만으로 향하게 한다는 것이 상당히 번거로운 일이며 시간 소모를 필요로 하는 일이다.In a conventional printer, the surface to be printed must be placed in a deck with the side to be printed face down or up to be printed on the desired side. However, when it is necessary to use the backing paper, it is often cumbersome and time consuming to arrange such paper so that it is only one side, because the backing paper in many directions is mixed.
본 발명은 상기의 문제점을 해결하기 위한 것으로, 본 발명의 목적은 이면지의 인쇄안된 면을 감지하여 그 면이 인쇄방향에 맞을때는 정상적으로 급지하고 인쇄 방향과 맞지 않을 때는 급지방향을 역전시켜 이면지를 공급하는 이면지의 방향 수정 기능을 구비한 프린터 장치및 그 제어방법을 제공하는 것이다.The present invention is to solve the above problems, an object of the present invention is to detect the unprinted side of the backing paper, and when the surface is in the printing direction is fed normally and when it does not match the printing direction to supply the backing paper It is to provide a printer device having a direction correcting function of the backing paper and a control method thereof.
상기의 목적을 달성하기 위하여 본 발명에 의한 장치는 급지롤러에서 공급되는 인쇄지의 상면과 하면을 각각 촬영하는 상측및 하측 일차원 카메라와, 상기 상측및 하측 일차원 카메라를 제어하는 카메라제어부와, 상기 카메라제어부로 부터 출력되는 영상을 처리하는 이미지처리부와, 상기 상측및 하측 일차원 카메라가 촬영하는 부위를 밝히는 조명부와, 상기 조명부를 제어하는 조명제어부와, 상기 급지롤러에서 공급되는 인쇄지를 상측롤러로 향하여 공급하는 방향 전환롤러와, 상기 방향 전환롤러로 부터 인쇄지를 공급받아 인쇄토너로 공급하는 상측롤러와, 상기 방향 전환롤러로 부터 배출되는 인쇄지를 상기 상측롤러로 가이드하는 상승가이드와, 상기 급지롤러로 부터 상기 방향 전환롤러로 공급되는 인쇄지의 말단부를 감지하는 광센서와, 상기 이미지처리부로 부터 인쇄지의 영상을 입력받아 인쇄된 부분의 방향을 결정하고 인쇄면 방향이 거꾸로인 경우 상기 광센서로 부터 상기 인쇄지의 단부를 감지한 신호가 입력되면 상기 방향 전환롤러를 역회전시켜 인쇄면 방향을 역전시켜 상기 상측롤러로 공급하도록 제어하는 주제어부와, 상기 주제어부로 부터 제어신호를 입력받아 상기 롤러들을 제어하는 롤러제어부로 구성된다.In order to achieve the above object, the apparatus according to the present invention includes an upper and lower one-dimensional cameras for photographing the upper and lower surfaces of the printing paper supplied from the paper feed roller, a camera controller for controlling the upper and lower one-dimensional cameras, and the camera control unit. An image processing unit for processing an image output from a light source, an illumination unit for illuminating a portion photographed by the upper and lower one-dimensional cameras, an illumination control unit for controlling the illumination unit, and a printing paper supplied from the paper feed roller to an upper roller. A turning roller, an upper roller for receiving printing paper from the turning roller, and feeding the printing paper to the printing toner, a rising guide for guiding the printing paper discharged from the turning roller to the upper roller, and the feed roller from the feeding roller. Optical sensor for sensing the end of the printing paper fed to the direction change roller, When the image of the printing paper is input from the image processing unit to determine the direction of the printed portion, and when the printing surface direction is upside down, when the signal sensing the end of the printing paper is input from the optical sensor, the direction change roller is rotated backward. It is composed of a main controller for controlling the printing surface direction to be supplied to the upper roller, and a roller controller for controlling the rollers by receiving a control signal from the main controller.
[도1]은 본 발명에 의한 이면지의 방향 수정 기능을 구비한 프린터 장치의 구성을 보이는 블록도이다.1 is a block diagram showing the configuration of a printer apparatus having a direction correcting function for backing paper according to the present invention.
[도2]는 본 발명에 의한 프린터의 급지부를 보이는 개략도이다.2 is a schematic view showing a paper feeding part of a printer according to the present invention.
[도3]은 본 발명에 의한 이면지의 방향 수정 기능을 구비한 프린터 장치의 제어방법을 보이는 플로우 차트이다.3 is a flowchart showing a control method of the printer apparatus with the orientation correction function of the backing paper according to the present invention.
도면의 주요부분에 대한 부호의 설명Explanation of symbols for main parts of the drawings
10:상측및 하측 일차원 카메라 20:카메라 제어부10: upper and lower one-dimensional camera 20: camera control unit
30:이미지처리부 40:주제어부30: image processing unit 40: main control unit
50:조명제어부 60:조명부50: lighting control unit 60: lighting unit
70:광센서 80:롤러 제어부70: light sensor 80: roller control unit
81:상측롤러 85:방향전환롤러81: upper roller 85: turning roller
이하 첨부한 도면을 참조하여 본 발명을 상세히 설명한다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.
도 1에 본 발명에 의한 이면지의 방향 수정 기능을 구비한 프린터 장치의 구성을 보이는 블록도가 도시된다.Fig. 1 is a block diagram showing the configuration of a printer apparatus with a direction correcting function for backing paper according to the present invention.
본 발명에 의한 프린터 장치는 급지롤러에서 공급되는 인쇄지의 상면과 하면을 각각 촬영하는 상측 및 하측 일차원 카메라(10)와, 상기 상측 및 하측 일차원 카메라(10)를 제어하는 카메라제어부(20)와, 상기 카메라제어부(20)로부터 출력되는 영상을 처리하는 이미지처리부(30)와, 상기 상측 및 하측 일차원 카메라(10)가 촬영하는 부위를 밝히는 조명부(60)와, 상기 조명부(60)를 제어하는 조명제어부(50)와, 상기 급지롤러에서 공급되는 인쇄지를 상측롤러로 향하여 공급하는 방향 전환롤러(85)와, 상기 방향 전환롤러(85)로부터 인쇄지를 공급받아 인쇄토너로 공급하는 상측롤러(81)와, 상기 방향 전환롤러(85)로부터 배출되는 인쇄지를 상기 상측롤러(81)로 가이드하는 상승가이드(28)와, 상기 급지롤러(21)로부터 상기 방향 전환롤러(85)로 공급되는 인쇄지의 발단부를 감지하는 광센서(70)와, 상기 이미지처리부(30)로부터 인쇄지의 영상을 입력받아 인쇄된 부분의 방향을 결정하고 인쇄면 방향이 거꾸로인 경우 상기 광센서(70)로부터 상기 인쇄지의 단부를 감지한 신호가 입력되면 상기 방향 전환롤러(85)를 역회전시켜 인쇄면 방향을 역전시켜 상기 상측롤러(81)로 공급하도록 제어하는 주제어부(40)와, 상기 주제어부(40)로부터 제어신호를 입력받아 상기 롤러들을 제어하는 롤러 제어부(80)로 구성된다.The printer apparatus according to the present invention includes an upper and lower one-dimensional camera 10 for photographing the upper and lower surfaces of the printing paper supplied from the paper feed roller, and a camera control unit 20 for controlling the upper and lower one-dimensional camera 10. An image processing unit 30 for processing an image output from the camera control unit 20, an illumination unit 60 for illuminating the portion photographed by the upper and lower one-dimensional camera 10, and the illumination for controlling the illumination unit 60 The controller 50, the direction turning roller 85 for supplying the printing paper supplied from the paper feed roller toward the upper roller, and the upper roller 81 for receiving the printing paper from the direction turning roller 85 and supplying the printing paper to the printing toner. And an ascending guide 28 for guiding the printing paper discharged from the direction turning roller 85 to the upper roller 81, and the beginning of the printing paper supplied to the direction turning roller 85 from the paper feed roller 21. part And an optical sensor 70 for detecting the image and the image of the printing paper from the image processing unit 30 to determine the direction of the printed portion, and when the printing surface direction is inverted, the end of the printing paper from the optical sensor 70. When the detected signal is input, the main control unit 40 and the main control unit 40 for controlling the reverse direction of the printing surface to reverse the printing surface direction to supply to the upper roller 81, and the control signal from the main control unit 40 It receives the input is composed of a roller control unit 80 for controlling the rollers.
도 2에 본 발명에 의한 프린터의 급지부를 개략적으로 보이는 개략도가 도시된다.2 is a schematic view schematically showing the paper feeding portion of the printer according to the present invention.
인쇄될 이면지(100)들이 급지데크(300)에 놓이며 급지데크(300) 내부 밑바닥에는 이면지(100)의 공급에 따라 이면지(100)들을 데크급지롤러(21)에 밀착되도록 위로 밀어주는 스프링(도시생략)등이 설치된다.The backing papers 100 to be printed are placed on the paper feed deck 300 and the bottom of the paper feed deck 300 pushes the backing papers 100 to be in close contact with the deck paper feed roller 21 according to the supply of the backing paper 100 ( (Not shown) is installed.
급지롤러(21)에 밀착된 이면지(100)는 데크급지롤러(21)의 회전에 따라 이면지(100)는 급지롤러(22,22')에 입수된다. 급지롤러(22,22')의 배출측에는 배출되는 이면지의 상,하면을 촬영하는 상하측 일차원 카메라(23,23')가 설치된다. 일차원 카메라(22,22')를 통과한 이면지는 수평가이드(24)위로 이송되어 방향 전환롤러(85)에 입수된다. 앞서 촬영된 이면지의 영상은 이미지처리부(30)를 거쳐 주제어부(40)에 입력되어 인쇄안된 면을 판단하게 된다. 판단결과 인쇄 안된면이 인쇄방향과 동일한 경우 주제어부(40)는 롤러 제어부(80)를 제어하여 방향전환롤러(85)를 정방향(시계 반대방향)으로 회전시킨다. 방향전환롤러(85)의 정회전에 따라 이면지는 상승가이드(28)를 따라 상측롤러(81)로 이송된다.The backing paper 100 in close contact with the paper feeding roller 21 is obtained by the paper feeding rollers 22 and 22 'as the deck paper feeding roller 21 rotates. On the discharge side of the paper feed rollers 22 and 22 ', upper and lower one-dimensional cameras 23 and 23' for photographing the upper and lower surfaces of the discharged back paper are provided. The backing paper that has passed through the one-dimensional cameras 22 and 22 'is conveyed onto the horizontal guide 24 and is received by the turning roller 85. The image of the backing paper photographed above is input to the main controller 40 through the image processor 30 to determine the unprinted surface. If it is determined that the unprinted surface is the same as the printing direction, the main controller 40 controls the roller controller 80 to rotate the turning roller 85 in the forward direction (counterclockwise). According to the forward rotation of the turning roller 85, the back surface paper is transferred to the upper roller 81 along the rising guide 28.
인쇄면의 판단결과 인쇄 안된 면이 인쇄방향과 동일하지 않은 경우 주제어부(40)는 광센서(70)로부터 입력되는 신호를 판단하여 이면지의 후단부가 감지되었는지를 판단한다. 후단부가 감지되면 롤러 제어부(80)를 제어하여 방향전환롤러(85)를 역방향(시계방향)으로 회전시킨다. 방향전환롤러(85)의 역회전에 따라 이면지(100)는 후진하여 상승가이드(28)의 입구에 오게 된다. 이때 상승가이드(28)의 입구에는 힌지(31)에 의해 결합된 후진방지 핀(32)이 설치되어 수평가이드(24)에 닿아 있기 때문에, 후진하는 이면지가 더 이상 후진하지 못하여 급지데크(300) 쪽으로 가는 것을 막고 상측 가이드(28)를 따라 상측롤러(81)로 이송된다.As a result of the determination of the printing surface, if the non-printing surface is not the same as the printing direction, the main controller 40 determines whether the rear end of the backing paper is detected by determining the signal input from the optical sensor 70. When the rear end is detected, the roller control unit 80 is controlled to rotate the direction change roller 85 in the reverse direction (clockwise). As the reverse rotation of the turning roller 85, the backing paper 100 is reversed and comes to the inlet of the ascending guide 28. At this time, since the reverse prevention pin 32 coupled by the hinge 31 is installed at the inlet of the rising guide 28 and contacts the horizontal guide 24, the backing paper that reverses can no longer be reversed, and thus the paper feeding deck 300 is provided. It is transported to the upper roller 81 along the upper guide 28 and to prevent it from going to the side.
도 3에 본 발명에 의한 이면지의 방향 수정 기능을 구비한 프린터 장치의 제어방법을 보이는 플로우 차트가 도시된다.3 is a flowchart showing a control method of the printer apparatus with the direction correcting function of the backing paper according to the present invention.
단계 S31에서 상측 및 하측 일차원 카메라(22,22')로부터 이면지(100)의 윗면과 아랫면을 촬영하여 그 영상을 입력받는다. 단계 S32에서 이면지(100)의 영상을 처리하며 인쇄면을 판단한다. 단계 S33에서 인쇄되어 있는 면이 윗면인지를 판단한다. 윗면인 경우, 단계 S36에서 광센서(70)로부터 입력이 있는지를 판단한다. 광센서(70)로부터 입력이 없느 때에는 단계 S38에서 방향전환 롤러(85)를 정회전시키면서 단계 S36을 반복하고, 광센서(70)로부터 입력신호가 있느 경우 방향전환롤러(85)를 정지시키고 다시 역회전시킨후 단계 S35로 진행한다.In operation S31, the upper and lower surfaces of the backing paper 100 are photographed from the upper and lower one-dimensional cameras 22 and 22 ′ to receive the image. In step S32, the image of the backing paper 100 is processed to determine the printing surface. In step S33, it is determined whether the printed surface is the upper surface. In the case of the upper surface, it is determined whether there is an input from the optical sensor 70 in step S36. If there is no input from the optical sensor 70, the step S36 is repeated while forward turning the turning roller 85 at step S38. If there is an input signal from the optical sensor 70, the turning roller 85 is stopped and again. After the reverse rotation, the flow advances to step S35.
단계 S33의 판단에서 인쇄되어 있는 면이 윗면이 아닌 경우, 단계 S34에서 방향 전환롤러(85)를 정회전시키고 단계 S35에서 인쇄를 하여 배출한다.If the printed surface is not the upper surface in the judgment of step S33, the direction turning roller 85 is rotated forward in step S34, and printed and discharged in step S35.
이상 설명한 바와 같이 본 발명에 의하면 이면지의 인쇄 안된 면을 감지하여 그 면이 인쇄방향에 맞을 때는 정상적으로 급지하여 이면지의 인쇄면을 확인하여 다시 정리하는 번거로움을 없앰으로써 시간과 인력을 절약할 수 있다.As described above, the present invention can save time and manpower by detecting the unprinted side of the backing paper and feeding it normally when the side is in the printing direction, eliminating the trouble of checking and rearranging the printing side of the backing paper. .
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019970028223A KR100221140B1 (en) | 1997-06-27 | 1997-06-27 | Printer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019970028223A KR100221140B1 (en) | 1997-06-27 | 1997-06-27 | Printer |
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| KR19990004183A true KR19990004183A (en) | 1999-01-15 |
| KR100221140B1 KR100221140B1 (en) | 1999-09-15 |
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| KR1019970028223A KR100221140B1 (en) | 1997-06-27 | 1997-06-27 | Printer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000048070A (en) * | 1998-12-10 | 2000-07-25 | 야스카와 히데아키 | Printing apparatus, method of controlling it and storage medium |
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| KR101772747B1 (en) | 2015-03-31 | 2017-09-12 | 서기원 | Hot-wind welder for synthetic resin |
| KR102291328B1 (en) | 2021-02-22 | 2021-08-18 | 서한나 | Hot air induction structure of hot-wind welder for synthetic resin |
| KR102381825B1 (en) | 2021-12-09 | 2022-04-01 | 서한나 | Hot air device for hot-wind welder |
| KR102411567B1 (en) | 2021-12-09 | 2022-06-22 | 서한나 | Lower roller structure of hot-wind welder |
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1997
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000048070A (en) * | 1998-12-10 | 2000-07-25 | 야스카와 히데아키 | Printing apparatus, method of controlling it and storage medium |
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