KR20020029247A - Apparatus for preventing stoppage of a printing nozzle - Google Patents

Apparatus for preventing stoppage of a printing nozzle Download PDF

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Publication number
KR20020029247A
KR20020029247A KR1020000060100A KR20000060100A KR20020029247A KR 20020029247 A KR20020029247 A KR 20020029247A KR 1020000060100 A KR1020000060100 A KR 1020000060100A KR 20000060100 A KR20000060100 A KR 20000060100A KR 20020029247 A KR20020029247 A KR 20020029247A
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KR
South Korea
Prior art keywords
nozzle
plate
printing
hole
lever
Prior art date
Application number
KR1020000060100A
Other languages
Korean (ko)
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KR100408737B1 (en
Inventor
이용성
Original Assignee
윤학범
주식회사 케이디이컴
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Priority to KR10-2000-0060100A priority Critical patent/KR100408737B1/en
Publication of KR20020029247A publication Critical patent/KR20020029247A/en
Application granted granted Critical
Publication of KR100408737B1 publication Critical patent/KR100408737B1/en

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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
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/135—Nozzles
    • B41J2/165—Preventing or detecting of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
    • B41J2/16502—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/135—Nozzles
    • B41J2/165—Preventing or detecting of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
    • B41J2/16517—Cleaning of print head nozzles
    • B41J2/1652—Cleaning of print head nozzles by driving a fluid through the nozzles to the outside thereof, e.g. by applying pressure to the inside or vacuum at the outside of the print head
    • B41J2/16532—Cleaning of print head nozzles by driving a fluid through the nozzles to the outside thereof, e.g. by applying pressure to the inside or vacuum at the outside of the print head by applying vacuum only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/135—Nozzles
    • B41J2/165—Preventing or detecting of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
    • B41J2/16517—Cleaning of print head nozzles
    • B41J2/16552—Cleaning of print head nozzles using cleaning fluids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/135—Nozzles
    • B41J2/165—Preventing or detecting of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
    • B41J2/16579—Detection means therefor, e.g. for nozzle clogging
    • 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
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/175—Ink supply systems ; Circuit parts therefor
    • 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

Abstract

PURPOSE: A clog prevention apparatus is provided to prevent print nozzle from being dried and clogged even when the print is not used over a long period of time. CONSTITUTION: A clog prevention apparatus comprises two protrusions(3) formed at both ends of a print hole(2) formed at a fixed plate(1); a slider plate(7) having an end(8) mounted to the protrusions formed at the fixed plate, and an elongated hole(9) formed at the other end of the slide plate so as to be guided by guide pins; a spring plate(10) having fixing portions(11,12) to be spot-welded to the slider plate, and which absorbs impact applied to a nozzle; a pad(13) attached onto the center of the slider plate, and which contacts injection holes of the nozzle; and a lever(14) having a protrusion(16) inserted into the elongated hole of the slider plate, and a connection hole(17) for insertion of a solenoid. The lever rotates, centering from a shaft inserted into a hinge hole(15) formed at the lever, so as to move the slider plate.

Description

인쇄노즐의 막힘방지장치{Apparatus for preventing stoppage of a printing nozzle}Apparatus for preventing stoppage of a printing nozzle}

본 발명은 카드리더의 잉크분사식 인쇄장치에 사용되는 인쇄노즐의 막힘방지장치에 관한 것으로,The present invention relates to an apparatus for preventing clogging of a printing nozzle used in an ink jet printing apparatus of a card reader.

특히, 카드리더의 잉크분사식 인쇄장치에서 잉크 카트리지의 장착후 장시간 인쇄작업을 하지 않아도 노즐 끝부분의 잉크가 건조되어 노즐이 막히는 것을 방지할 수 있도록 하는 인쇄노즐의 막힘방지장치에 관한 것이다.In particular, the present invention relates to an apparatus for preventing clogging of a printing nozzle, which prevents the nozzle from being clogged by drying of ink at the end of a nozzle even when the ink cartridge is not mounted for a long time after the ink cartridge is mounted.

일반적으로 컴퓨터의 프린터를 포함한 모든 전자장치의 기록 인쇄장치는 감열 인쇄장치와 잉크 카트리지를 장착하고 잉크 카트리지에서 공급되는 잉크를 노즐을 통해 인쇄지에 분사하여 필요한 인쇄를 하는 인쇄장치가 사용되고 있다.In general, the recording printing apparatus of all electronic devices including a printer of a computer is equipped with a thermal printing apparatus and an ink cartridge, and a printing apparatus for printing the ink supplied from the ink cartridge to the printing paper through a nozzle is used.

상기 인쇄장치 중에서 잉크 카트리지를 장착하여 인쇄작업을 하는 인쇄장치의 경우는 잉크 카트리지를 장착해 놓은 상태에서 장시간 인쇄작업을 하지 않으면 인쇄장치의 노즐 끝부분에서 잉크가 건조되고 , 이로 인하여 인쇄노즐이 막히는 현상이 발생되고 있다.In the case of a printing apparatus in which the ink cartridge is mounted to perform a printing operation, the ink is dried at the nozzle end of the printing apparatus if the printing operation is not performed for a long time while the ink cartridge is mounted, which causes the printing nozzle to be clogged. The phenomenon is occurring.

그러나 종래의 잉크 카트리지를 사용하는 인쇄장치의 경우에 대부분의 인쇄장치가 노즐이 정지도힌 위치의 하단부에 노즐 끝부분과 접촉될 수 있도록 패드를 구비하여 그 패드에 의해 노즐의 막힘을 방지하고 있으나, 이러한 잉크 건조로 인한 노즐 막힘을 방지하는 장치는 인쇄작업을 할 때 잉크 카트리지가 장착된 노즐이 이동하면서 인쇄를 하는 구성으로 이루어진 것이므로 패드는 인쇄장치의 하단부에 고정시켜 놓는 구성으로 이루어져 있다.However, in the case of a printing apparatus using a conventional ink cartridge, most printing apparatuses have pads to contact the nozzle end portions at the lower end of the position where the nozzle is stopped, thereby preventing the nozzles from being blocked by the pads. The apparatus for preventing nozzle clogging due to ink drying is configured to print while moving the nozzle in which the ink cartridge is mounted during a printing operation, and thus the pad is fixed to the lower end of the printing apparatus.

하지만 상기와 같은 인쇄장치는 대형의 경우에는 적합하지만 인쇄장치가 소형인 경우에는 잉크 카트리지가 장착된 노즐을 이동시킬 수 있는 공간이 부족하여 잉크 건조에 따른 노즐막힘을 해소할 수 없는 문제점이 있으므로 소형 인쇄장치에서는 잉크를 사용하는 방식의 인쇄장치를 사용하지 않고 주로 감열방식에 의한 인쇄장치를 사용하고 있는 실정이며, 이에 따라 인쇄작업을 위한 감열지를 별도로 구입해야 하는 문제점도 있었다.However, the printing apparatus as described above is suitable for a large size, but when the printing apparatus is small, there is a problem that the nozzle clogging due to ink drying cannot be solved because there is not enough space to move the nozzle on which the ink cartridge is mounted. In the printing apparatus, a printing apparatus using a thermal printing method is mainly used without using a printing apparatus using ink, and accordingly, there is a problem in that a thermal paper for a printing job must be purchased separately.

따라서, 본 발명의 목적은 카드리더의 잉크분사식 인쇄장치에서 노즐 막힘을 방지하기 위한 패드가 노즐에 접촉되어 있다가 인쇄작업을 할 때마다 패드를 이동시켜 노즐을 고정시킨 상태로 인쇄작업을 할 수 있도록 함으로서 잉크 카트리지의 장착후 장시간 인쇄작업을 하지 않아도 노즐 끝부분의 잉크가 건조되어 노즐이 막히는 것을 방지할 수 있을 뿐만 아니라, 카드리더와 같이 소형제품에서도 잉크인쇄방식의 인쇄작업을 할 수 있도록 한 인쇄노즐의 막힘방지장치를 제공함에 있다.Accordingly, an object of the present invention is to print in a state in which the pad is fixed to the nozzle by moving the pad every time a print job is in contact with the nozzle to prevent the nozzle clogging in the ink jet printing apparatus of the card reader. It is possible to prevent the nozzles from clogging because the ink at the end of the nozzles does not dry out without printing for a long time after the ink cartridge is installed, and also enables ink printing method to be printed in small products such as a card reader. The present invention provides an apparatus for preventing clogging of a printing nozzle.

도 1은 본 발명의 분해사시도1 is an exploded perspective view of the present invention

도 2는 본 발명의 막힘방지장치가 닫힌 상태를 보인 평면도Figure 2 is a plan view showing a closed state blocking device of the present invention

도 3은 본 발명의 막힘방지장치가 열린 상태를 보인 평면도Figure 3 is a plan view showing an open clogging device of the present invention

도 4는 본 발명 도 2를 일부 단면해 보인 일측면도Figure 4 is a side view showing a partial cross-sectional view of the present invention Figure 2

도 5는 본 발명 도 3을 일부 단면해 보인 일측면도Figure 5 is a side view showing a partial cross-sectional view of the present invention Figure 3

* 도면의 주요 부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings

1 : 고정판 3 : 경사돌기1: fixing plate 3: inclined protrusion

4, 5 : 가이드핀 6 : 고정축4, 5: guide pin 6: fixed shaft

7 : 슬라이드판 8 : 단부7: slide plate 8: end

9 : 장홀 10 : 스프링판9: long hole 10: spring plate

11, 12 : 고정부 13 : 패드11, 12: fixing portion 13: pad

14 : 레버 16 : 고리14: lever 16: hook

17 : 연결홀 20 : 솔레노이드17: connecting hole 20: solenoid

이하, 본 발명의 바람직한 실시예를 첨부 도면에 의하여 상세하게 설명하면다음과 같다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

인쇄홀(2)이 형성된 고정판(1)의 하측에는 인쇄지(22)가 구비되고, 고정판(1)의 상측에는 인쇄 노즐(21)이 구비되는 인쇄장치에 있어서, 상기 고정판(1)의 인쇄홀(2) 양측 단부에 형성되는 2개의 경사돌기(3)와, 상기 경사돌기(3)에 일측 단부(8)가 안착되고 그 대향측에는 장홀(9)이 형성되어 가이드핀(4)(5)에 의해 안내되는 슬라이드판(7)과, 상기 슬라이드판(7)에 양측의 고정부(11)(12)가 스포트 용접되어 상기 노즐(21)에 가해지는 충격을 흡수하는 스프링판(10)과, 상기 스프링판(10)의 중앙 위면에 부착되어 상기 노즐(21)의 분사공에 접촉되는 패드(13)와, 상기 슬라이드판(7)의 장홀(9)에 고리(16)가 삽입되고 대향측의 연결홀(17)에는 솔레노이드(20)가 결합되어 힌지홀(15)에 삽입된 고정축(6)을 중심으로 회전하면서 상기 슬라이드판(7)을 이동시키는 레버(14)로 노즐막힘방지장치를 구성한다.In the printing apparatus in which the printing paper 22 is provided below the fixing plate 1 having the printing hole 2 and the printing nozzle 21 is provided above the fixing plate 1, the printing of the fixing plate 1 is performed. Two inclined protrusions 3 formed at both ends of the hole 2 and one end 8 are seated on the inclined protrusions 3, and long holes 9 are formed at opposite sides thereof to guide pins 4 and 5. The spring plate 10 which absorbs the impact applied to the nozzle 21 by spot-welding the slide plate 7 guide | induced by (circle)) and the fixed parts 11 and 12 of both sides to the said slide plate 7. And the pad 13 is attached to the upper surface of the center of the spring plate 10 in contact with the injection hole of the nozzle 21, and the ring 16 is inserted into the long hole 9 of the slide plate 7 The solenoid 20 is coupled to the connecting hole 17 on the opposite side, and rotates around the fixed shaft 6 inserted into the hinge hole 15 to the lever 14 for moving the slide plate 7. Constitute a protection device.

이와 같이 구성된 본 발명은 인쇄작업을 위해 솔레노이드(20)에 전원을 인가하면 도 3 및 도 5과 같이 레버(14)를 당기므로 힌지홀(15)이 삽입된 고정축(6)을 중심으로 레버(14)가 회전된다.When the power is applied to the solenoid 20 for printing, the present invention configured as described above pulls the lever 14 as shown in FIGS. 3 and 5, so that the lever is centered around the fixed shaft 6 into which the hinge hole 15 is inserted. 14 is rotated.

이때, 레버(14)의 회전은 고리(16)가 삽입된 장홀(9)에 전달되므로 슬라이드판(7)은 가이드핀(4)(5)에 안내되면서 후진 이동하게 되므로 노즐(21)에 접촉되어 있던 패드(13)가 노즐(21)에서 이탈하게 되며, 이로 인하여 고정판(1)의 인쇄홀(2)을 통해 인쇄지(22)에 인쇄작업을 할 수 있게 된다.At this time, since the rotation of the lever 14 is transmitted to the long hole 9 into which the ring 16 is inserted, the slide plate 7 is guided to the guide pins 4 and 5 so as to move backward. The pad 13 that has been released is separated from the nozzle 21, thereby allowing printing to be performed on the printing paper 22 through the printing hole 2 of the fixing plate 1.

한편 인쇄작업을 마친 후에는 솔레노이드(20)에 인가된 전원을 차단하면 도 2 및 도 4에 도시된 바와 같이 솔레노이드(20)의 스프링에 의해 레버(14)가 회전 복귀하게 되고, 그 레버(14)의 복귀는 고리(16)가슬라이드판(7)을 미는 힘으로 작용되므로 슬라이드판(7)도 전진 복귀하게 되는 것이다.On the other hand, after the printing operation is finished, when the power applied to the solenoid 20 is cut off, the lever 14 is rotated and returned by the spring of the solenoid 20 as shown in FIGS. 2 and 4, and the lever 14 The return of) is because the ring 16 acts as a force pushing the slide plate (7) is also the slide plate (7) to move forward.

이때 상기 슬라이드판(7)이 레버(14)에 의해 전진되면 고정판(1)의 경사돌기(3) 위로 단부(8)가 올라가면서 안착되므로 단부(8) 대향측 저면에 형성된 돌출부(18)와 함께 슬라이드판(7)이 수평을 유지하게 될 뿐만 아니라, 스프링판(10)에 부착된 패드(13)는 상향이동하면 노즐(21)과 접촉되므로 스프링판(10)의 완충작용과 함께 노즐(21)의 손상없이 막힘을 방지하게 된다.At this time, when the slide plate 7 is advanced by the lever 14, the end portion 8 is seated ascending on the inclined protrusion 3 of the fixing plate 1, and thus the protrusion 18 formed on the bottom surface opposite to the end portion 8 In addition, the slide plate 7 is not only horizontal, but also the pad 13 attached to the spring plate 10 is in contact with the nozzle 21 when moved upward, so that the nozzle (with the buffering action of the spring plate 10) It will prevent clogging without damaging 21).

특히 상기와 같은 이동은 인쇄작업을 위하여 슬라이드판(7)이 후진할 때도 패드(13)가 하향 이동하면서 노즐(21)에서 이탈하게 되므로 인쇄작업을 하지 않는 기간이 길어도 노즐(21)이 막히는 것을 방지할 수 있을 뿐만 아니라, 패드(13)에 의한 노즐(21)의 손상을 방지할 수 있는 것이다.In particular, the movement as described above is released from the nozzle 21 as the pad 13 moves downward even when the slide plate 7 moves backward for the printing operation, so that the nozzle 21 is blocked even when the printing operation is long. Not only can it be prevented, but the damage of the nozzle 21 by the pad 13 can be prevented.

상기에서와 같이 본 발명은 카드리더의 잉크분사식 인쇄장치에서 노즐 막힘을 방지하기 위한 패드가 노즐에 접촉되어 있다가 인쇄작업을 할 때마다 패드가 이동되어 노즐을 고정시킨 상태로 인쇄작업을 할 수 있도록 함으로서 잉크 카트리지의 장착후 장시간 인쇄작업을 하지 않아도 노즐 끝부분의 잉크가 건조되어 노즐이 막히는 것을 방지할 수 있을 뿐만 아니라, 카드리더와 같이 소형제품에서도 잉크인쇄방식의 인쇄작업을 할 수 있는 효과가 제공되는 것이다.As described above, in the ink jet printing apparatus of the card reader, a pad for preventing nozzle clogging is in contact with the nozzle, and each time a printing operation is performed, the pad is moved so that the printing operation can be performed with the nozzle fixed. This prevents the nozzles from clogging because the ink at the end of the nozzles does not dry out without printing for a long time after the ink cartridge is installed, and also enables the ink printing method to be used in small products such as card readers. Will be provided.

Claims (2)

인쇄홀(2)이 형성된 고정판(1)의 하측에는 인쇄지(22)가 구비되고, 고정판(1)의 상측에는 인쇄 노즐(21)이 구비되는 인쇄장치에 있어서,In the printing apparatus in which the printing paper 22 is provided below the fixed plate 1 in which the printing hole 2 was formed, and the printing nozzle 21 is provided above the fixed plate 1, 상기 고정판(1)의 인쇄홀(2) 양측 단부에 형성되는 2개의 경사돌기(3)와,Two inclined protrusions 3 formed at both ends of the printing hole 2 of the fixing plate 1, 상기 경사돌기(3)에 일측 단부(8)가 안착되고 그 대향측에는 장홀(9)이 형성되어 가이드핀(4)(5)에 의해 안내되는 슬라이드판(7)과,One end 8 is seated on the inclined protrusion 3 and a long hole 9 is formed on the opposite side thereof, and a slide plate 7 guided by guide pins 4 and 5; 상기 슬라이드판(7)에 양측의 고정부(11)(12)가 스포트 용접되어 상기 노즐(21)에 가해지는 충격을 흡수하는 스프링판(10)과,Spring plates 10 for spot-welding the fixed parts 11 and 12 on both sides of the slide plate 7 to absorb the shock applied to the nozzle 21; 상기 스프링판(10)의 중앙 위면에 부착되어 상기 노즐(21)의 분사공에 접촉되는 패드(13)와,A pad 13 attached to the center upper surface of the spring plate 10 and contacting the injection hole of the nozzle 21; 상기 슬라이드판(7)의 장홀(9)에 고리(16)가 삽입되고 대향측의 연결홀(17)에는 솔레노이드(20)가 결합되어 힌지홀(15)에 삽입된 고정축(6)을 중심으로 회전하면서 상기 슬라이드판(7)을 이동시키는 레버(14)로 구성됨을 특징으로 한 인쇄노즐의 막힘방지장치.The ring 16 is inserted into the long hole 9 of the slide plate 7, and the solenoid 20 is coupled to the connecting hole 17 on the opposite side, so that the fixed shaft 6 inserted into the hinge hole 15 is centered. The clogging prevention device of the printing nozzle, characterized in that consisting of a lever (14) for moving the slide plate (7) while rotating. 청구항 1에 있어서,The method according to claim 1, 상기 슬라이드판(7)은 레버(14)에 의해 전진되면 고정판(1)의 경사돌기(3) 위에 단부(8)가 안착되어 단부(8) 대향측 저면에 형성된 돌출부(18)와 함께 슬라이드판(7)을 수평을 유지하고, 레버(14)에 의해 후진하면 단부(8)가 경사돌기(3)에서 이탈하여 노즐(21)과의 접촉 없이 후진 이동됨을 특징으로 한 인쇄노즐의 막힘방지장치.When the slide plate 7 is advanced by the lever 14, the end plate 8 is seated on the inclined protrusion 3 of the fixed plate 1, and the slide plate 7 together with the protrusion 18 formed on the bottom surface opposite the end plate 8. (7) leveled, and when the reverse by the lever 14, the end portion 8 is separated from the inclined protrusion (3) and moved backward without contact with the nozzle 21, the clogging prevention device of the printing nozzle .
KR10-2000-0060100A 2000-10-12 2000-10-12 Apparatus for preventing stoppage of a printing nozzle KR100408737B1 (en)

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