KR20140012852A - Head cleaning device - Google Patents
Head cleaning device Download PDFInfo
- Publication number
- KR20140012852A KR20140012852A KR1020120080150A KR20120080150A KR20140012852A KR 20140012852 A KR20140012852 A KR 20140012852A KR 1020120080150 A KR1020120080150 A KR 1020120080150A KR 20120080150 A KR20120080150 A KR 20120080150A KR 20140012852 A KR20140012852 A KR 20140012852A
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- South Korea
- Prior art keywords
- head
- compressed air
- casing
- suction
- air supply
- Prior art date
Links
- 238000004140 cleaning Methods 0.000 title claims description 14
- 238000005507 spraying Methods 0.000 claims abstract description 7
- 238000002347 injection Methods 0.000 claims description 30
- 239000007924 injection Substances 0.000 claims description 30
- 238000004891 communication Methods 0.000 claims description 2
- 239000007921 spray Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Images
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
- 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—Prevention or detection 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
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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
- 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—Prevention or detection of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
- B41J2/16517—Cleaning of print head nozzles
-
- 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—Prevention or detection 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
- B41J2/16523—Waste ink transport from caps or spittoons, e.g. by suction
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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
- 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—Prevention or detection 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
- B41J2/16526—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 pressure 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—Prevention or detection 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
- B41J2002/16555—Air or gas for cleaning
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Ink Jet (AREA)
Abstract
Description
본 발명은 헤드청소장치에 관한 것으로, 더욱 상세하게는 하나의 컴프레서를 이용하여 헤드를 향한 압축공기의 분사 및 부압에 의한 잉크의 제거가 가능한 헤드청소장치에 관한 것이다.
The present invention relates to a head cleaning apparatus, and more particularly, to a head cleaning apparatus capable of spraying compressed air toward a head and removing ink by negative pressure using a single compressor.
최근 잉크젯 프린터는 일반적인 인쇄 뿐 아니라 인쇄회로기판의 회로 패턴을 형성하거나, 유기발광다이오드(OLED) 등의 다양한 분야에서 사용되고 있다.BACKGROUND ART [0002] In recent years, inkjet printers have been used in various fields such as forming circuit patterns of printed circuit boards as well as general printing, and organic light emitting diodes (OLED).
이러한 잉크젯 프린터가 좋은 인쇄품질을 유지하기 위해서는 잉크젯 프린터의 헤드가 항상 최적의 상태를 유지하여야 한다. 즉, 헤드의 노즐부에 잔존하는 잉크가 잉크의 정상적인 분사를 방해하여 액적이 발생하거나, 노즐이 막히는 등의 문제가 발생할 수 있다.In order for such an inkjet printer to maintain a good print quality, the head of the inkjet printer must always maintain an optimal state. That is, the ink remaining in the nozzle portion of the head may interfere with the normal injection of the ink, causing droplets or clogging of the nozzles.
이러한 잉크젯 프린터의 헤드 청소를 위하여 다양한 방법이 제시되었으며, 한국공개특허 제10-2011-0091274호와 같이 헤드를 향해 압축공기를 분사하는 방식이 제안된 바 있다. 그러나, 이러한 방식은 떨어진 잉크를 빠르게 제거하기 곤란하다. 따라서, 잉크가 주위로 비산되지 않도록 별도의 비산방지기구가 있어야 하며, 이 경우 장치가 복잡해지는 문제점이 있다.
Various methods have been proposed for cleaning the head of such an ink jet printer, and a method of jetting compressed air toward the head as disclosed in Korean Patent Laid-Open No. 10-2011-0091274 has been proposed. However, this method is difficult to remove the ink that has been dropped quickly. Therefore, a separate scattering prevention mechanism must be provided so that the ink is not scattered to the periphery, and in this case, the apparatus becomes complicated.
상기의 문제점을 해결하기 위해 안출된 본 발명은 하나의 컴프레서를 이용하여 헤드를 향한 압축공기의 분사 및 부압에 의한 잉크의 제거가 가능한 헤드청소장치를 제공하는 데에 있다.
The present invention devised to solve the above problems is to provide a head cleaning apparatus capable of removing ink by injection of negative pressure to the head and negative pressure by using a single compressor.
상기의 목적을 달성하기 위한 본 발명은, 헤드의 하부에 배치되는 케이싱; 상기 케이싱의 상부 일측에 배치돼서 상기 헤드를 향해 압축공기를 분사하는 분사부; 및 상기 케이싱의 상부 타측에 배치돼서 상기 헤드에 대해 부압흡입하는 흡입부를 포함하고, 상기 케이싱과 상기 헤드 중 어느 하나 이상은 이동가능한 것을 특징으로 하는 헤드청소장치이다.The present invention for achieving the above object, the casing disposed under the head; An injection unit disposed at one upper side of the casing and spraying compressed air toward the head; And a suction part disposed on the other side of the upper part of the casing to suction negative pressure with respect to the head, wherein at least one of the casing and the head is movable.
상기 케이싱에는 압축공기를 공급하는 압축공기공급장치가 연결되고, 상기 압축공기공급장치는 상기 압축공기공급관 내부를 이동하며, 상기 분사부는 상기 압축공기공급관과 연결되고, 상기 압축공기공급관의 단부는 확대관이 연결돼서 압력을 강하시키며, 상기 흡입부는 상기 확대관에 연결되고, 상기 확대관의 단부는 외기와 연통되는 것을 특징으로 한다.The casing is connected to a compressed air supply device for supplying compressed air, the compressed air supply device moves inside the compressed air supply pipe, the injection portion is connected to the compressed air supply pipe, and the end of the compressed air supply pipe is enlarged. The pipe is connected to the pressure drop, the suction portion is connected to the enlarged tube, the end of the enlarged tube is characterized in that in communication with the outside air.
상기 분사부는 상기 헤드의 폭방향으로 길게 형성되는 분사슬롯을 가지고, 상기 흡입부는 상기 헤드의 폭방향으로 길게 형성되는 흡입슬롯을 가지는 것을 특징으로 한다.The spraying unit has a spraying slot formed long in the width direction of the head, the suction portion is characterized in that it has a suction slot formed long in the width direction of the head.
또, 상기 분사슬롯과 상기 흡입슬롯은 서로 마주보는 방향으로 경사지게 배치되는 것을 특징으로 한다.In addition, the injection slot and the suction slot is characterized in that arranged inclined in a direction facing each other.
또, 상기 확대관의 단부에는 잉크분리기가 연결되는 것을 특징으로 한다.
In addition, the end of the enlarged tube is characterized in that the ink separator is connected.
본 발명을 통하여 헤드부의 잉크잔여물을 비산없이 확실하고 깨끗하게 처리하는 것이 가능하다.Through the present invention, it is possible to reliably and cleanly process the ink residue of the head portion without scattering.
또한, 일반적으로 공장이나 대형 프린터에 기존재하는 공압장치를 이용해서 본 발명을 작동시킬 수 있으므로 별도의 설비가 요구되지 않는 장점이 있다.
In addition, in general, since the present invention can be operated using a pneumatic device existing in a factory or a large printer, there is an advantage that no separate equipment is required.
도 1은 본 발명의 실시예에 따른 헤드청소장치의 사시도이다.
도 2는 도 1의 헤드청소장치의 단면도이다.1 is a perspective view of a head cleaning device according to an embodiment of the present invention.
2 is a cross-sectional view of the head cleaning apparatus of FIG. 1.
이하, 본 발명을 바람직한 실시예를 첨부한 도면을 참조하여 설명하기로 한다. 하기의 각 도면의 구성 요소들에 참조 부호를 부가함에 있어서, 동일한 구성 요소들에 한해서는 비록 다른 도면상에 표시되더라도 가능한 한 동일한 부호를 가지도록 하며, 본 발명의 요지를 불필요하게 흐릴 수 있다고 판단되는 공지 기능 및 구성에 대한 상세한 설명은 생략한다.DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. In the drawings, the same reference numerals are used to designate the same or similar components, and the same reference numerals will be used to designate the same or similar components. Detailed descriptions of known functions and configurations are omitted.
본 발명의 실시예에 따른 헤드청소장치(100)는 크게, 헤드(12)의 하부에 배치되는 케이싱(102)과, 상기 케이싱(102)의 상부 일측에 배치돼서 상기 헤드(12)를 향해 압축공기를 분사하는 분사부와, 및 상기 케이싱(102)의 상부 타측에 배치돼서 상기 헤드(12)에 대해 부압흡입하는 흡입부를 포함하여 이루어진다.
이 때, 상기 케이싱(102)과 상기 헤드(12) 중 어느 하나 이상은 이동가능하여야 한다.At this time, at least one of the casing 102 and the head 12 should be movable.
상기 헤드(12)는 헤드부(10)의 하부에 설치되는 것으로, 상기 헤드부(10)의 움직임에 의해 이동할 수 있다. 또, 라벨프린터와 같이 헤드부(10)가 고정된 형식의 프린터의 경우에는 상기 케이싱(102)의 이동을 통해 상기 헤드(12)를 청소하도록 하는 것이 바람직하다.The head 12 is installed below the head portion 10, and may move by the movement of the head portion 10. In addition, in the case of a printer in which the head portion 10 is fixed, such as a label printer, the head 12 may be cleaned by moving the casing 102.
상기 분사부와 상기 흡입부는 상기 헤드(12)를 향하여 압축공기를 분사함과 동시에 반대로 흡입함으로써, 상기 헤드(12)에 부착된 잉크를 낙하하여 바로 수집하도록 한다.The injection unit and the suction unit spray the compressed air toward the head 12 and at the same time suction the opposite, thereby dropping the ink attached to the head 12 to collect immediately.
이를 위해, 상기 케이싱(102)에는 압축공기를 공급하는 압축공기공급장치(124)가 연결되며, 본 발명의 헤드청소장치(100)는 이 하나의 압축공기공급장치(124)에 의해 정압과 부압을 동시에 상기 분사부 및 흡입부에 공급할 수 있다.To this end, the casing 102 is connected to a compressed air supply device 124 for supplying compressed air, the
상기 압축공기공급장치(124)는 흡기필터(126)와 연결되어 공기 중 포함된 이물질을 제거한다.The compressed air supply device 124 is connected to the intake filter 126 to remove the foreign matter contained in the air.
상기 압축공기공급장치(124)는 상기 케이싱(102) 내부의 압축공기공급관(104)과 연결된다.The compressed air supply device 124 is connected to the compressed air supply pipe 104 inside the casing 102.
상기 압축공기공급관(104)은 상기 압축공기공급관(104)에 비해 단면적이 확대되는 확대관(108)에 연결된다. 따라서, 상기 압축공기공급관(104)으로부터 상기 확대관(108)으로 압축공기가 이동하면서 압력이 저하하게 된다. 그리고, 상기 분사부는 상기 압축공기공급관(104)과 연결되고, 상기 흡입부는 상기 확대관(108)에 연결된다.The compressed air supply pipe 104 is connected to an enlarged pipe 108 having a larger cross-sectional area than the compressed air supply pipe 104. Therefore, the pressure decreases while the compressed air moves from the compressed air supply pipe 104 to the expansion pipe 108. The injection unit is connected to the compressed air supply pipe 104 and the suction unit is connected to the expansion pipe 108.
이 결과, 상기 분사부에는 고압이 걸리고, 상기 분사부는 확대관(108)의 감압으로 인하여 부압이 걸리게 된다.As a result, high pressure is applied to the injection unit, and negative pressure is applied to the injection unit due to the reduced pressure of the expansion tube 108.
상기 분사부는 상기 헤드(12)의 폭방향으로 길게 형성되는 분사슬롯(114)과, 상기 분사슬롯(114)에 공기를 균일하게 공급하는 분사챔버(112)와, 상기 분사챔버(112)와 연결되는 분사관(110)을 포함한다. 상기 분사관(110)은 상기 압축공기공급관(104)의 지관인 압축공기분기관(106)과 연결되며, 상기 분사관(110)과 상기 압축공기분기관(106) 사이에는 조절밸브(122)가 설치되어, 분기되는 압축공기의 유량을 결정한다.The injection unit is connected to the
상기 흡입부는 상기 헤드(12)의 폭방향으로 길게 형성되는 흡입슬롯(120)과, 상기 흡입슬롯(120)에 부압을 균일하게 공급하는 흡입챔버(118)와, 상기 흡입챔버(118)와 연결되는 흡입관(116)을 포함한다. 상기 흡입관(116)은 상기 확대관(108)에 연결되며, 상기 흡입관(116)의 단면적은 상기 확대관(108)의 단면적보다 작다. The suction part is connected to the
특히, 상기 분사슬롯(114)과 상기 흡입슬롯(120)은 서로 마주보는 방향으로 경사지게 배치되는 것이 바람직하다. 즉, 상기 분사슬롯(114)에 의해 상기 흡입슬롯(120)의 방향으로 잉크를 낙하시키고, 또 상기 흡입슬롯(120)은 상기 분사슬롯(114)을 향하는 것에 의해 상기 분사슬롯(114)에 의해 낙하하는 잉크의 수집이 용이해질 수 있다.In particular, the
그리고, 상기 확대관(108)의 단부는 잉크분리기(128)에 연결돼서, 상기 헤드(12)로부터 수집된 잉크와 기체를 분리하는 역할을 한다. 그리고, 상기 잉크분리기(128)에는 배기필터(130)가 연결되어, 배출되는 공기에서 불순물을 제거하여 작업자에게 해로운 성분을 배출하지 않도록 한다.And, the end of the expansion tube 108 is connected to the ink separator 128, and serves to separate the ink and gas collected from the head 12. In addition, an exhaust filter 130 is connected to the ink separator 128 to remove impurities from the discharged air so as not to discharge harmful components to the operator.
따라서, 상기 확대관(108)의 단부는 상기 잉크분리기(128) 및 상기 배기필터(130)를 통해 외기와 연통된다.Therefore, an end portion of the enlarged pipe 108 communicates with the outside air through the ink separator 128 and the exhaust filter 130.
상기와 같이, 본 발명의 바람직한 실시예를 참조하여 설명하였지만 해당 기술 분야의 숙련된 당업자라면 하기의 특허청구범위에 기재된 본 발명의 사상 및 영역으로부터 벗어나지 않는 범위 내에서 본 발명을 다양하게 수정 및 변경시킬 수 있음을 이해할 수 있을 것이다.
While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. It can be understood that
10: 헤드부 12: 헤드부
100: 헤드청소장치 102: 케이싱
104: 압축공기공급관 106: 압축공기분기관
108: 확대관 110: 분사관
112: 분사챔버 114: 분사슬롯
116: 흡입관 118: 흡입챔버
120: 흡입슬롯 122: 조절밸브
124: 컴프레서 126: 흡기필터
128: 잉크분리기 130: 배기필터10: head part 12: head part
100: head cleaning device 102: casing
104: compressed air supply pipe 106: compressed air branch pipe
108: enlarged tube 110: injection tube
112: injection chamber 114: injection slot
116: suction pipe 118: suction chamber
120: suction slot 122: control valve
124: compressor 126: intake filter
128: ink separator 130: exhaust filter
Claims (5)
상기 케이싱의 상부 일측에 배치돼서 상기 헤드를 향해 압축공기를 분사하는 분사부; 및
상기 케이싱의 상부 타측에 배치돼서 상기 헤드에 대해 부압흡입하는 흡입부를 포함하고,
상기 케이싱과 상기 헤드 중 어느 하나 이상은 이동가능한 것을 특징으로 하는 헤드청소장치.
A casing disposed under the head;
An injection unit disposed at one upper side of the casing and spraying compressed air toward the head; And
It is disposed on the other side of the upper casing and includes a suction unit for negative pressure suction to the head,
At least one of said casing and said head is movable.
상기 압축공기공급장치는 상기 압축공기공급관 내부를 이동하며, 상기 분사부는 상기 압축공기공급관과 연결되고,
상기 압축공기공급관의 단부는 확대관이 연결돼서 압력을 강하시키며,
상기 흡입부는 상기 확대관에 연결되고,
상기 확대관의 단부는 외기와 연통되는 것을 특징으로 하는 헤드청소장치.
According to claim 1, wherein the casing is connected to a compressed air supply device for supplying compressed air,
The compressed air supply device moves inside the compressed air supply pipe, and the injection unit is connected to the compressed air supply pipe,
An end of the compressed air supply pipe is connected to the expansion pipe to reduce the pressure,
The suction unit is connected to the expansion tube,
An end portion of the enlarged tube is in communication with the outside air cleaning device.
The head cleaning apparatus according to claim 1, wherein the injection unit has an injection slot formed to be elongated in the width direction of the head, and the suction unit has an suction slot formed to be elongated in the width direction of the head.
The head cleaning apparatus according to claim 3, wherein the injection slot and the suction slot are inclined in a direction facing each other.
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| KR1020120080150A KR101385142B1 (en) | 2012-07-23 | 2012-07-23 | Head cleaning device |
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| KR1020120080150A KR101385142B1 (en) | 2012-07-23 | 2012-07-23 | Head cleaning device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108638665A (en) * | 2018-06-20 | 2018-10-12 | 北京海隆鸿业机械科技有限公司 | Cleaning element, cleaning external member and the cleaning equipment of nozzle for ink-jet print system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP3676097B1 (en) | 2017-08-31 | 2024-04-10 | Entrust Datacard Corporation | Drop-on-demand print head cleaning mechanism and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7571996B2 (en) * | 2006-08-10 | 2009-08-11 | Xerox Corporation | Apparatus for reducing particulate in an ink jet printer |
| KR100964913B1 (en) * | 2008-05-07 | 2010-06-23 | 주식회사 디지아이 | Cleaning apparatus for head in plotter |
| KR101162019B1 (en) * | 2010-01-07 | 2012-07-03 | 삼성전기주식회사 | Cleaning device of inkjet print head |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108638665A (en) * | 2018-06-20 | 2018-10-12 | 北京海隆鸿业机械科技有限公司 | Cleaning element, cleaning external member and the cleaning equipment of nozzle for ink-jet print system |
| CN108638665B (en) * | 2018-06-20 | 2024-05-10 | 珠海墨美影像科技有限公司 | Cleaning member, cleaning kit and cleaning apparatus for nozzle of ink jet printing system |
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