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KR20000038476A - Apparatus for removing developing liquid for wet electronic picture type printer - Google Patents

Apparatus for removing developing liquid for wet electronic picture type printer Download PDF

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Publication number
KR20000038476A
KR20000038476A KR1019980053490A KR19980053490A KR20000038476A KR 20000038476 A KR20000038476 A KR 20000038476A KR 1019980053490 A KR1019980053490 A KR 1019980053490A KR 19980053490 A KR19980053490 A KR 19980053490A KR 20000038476 A KR20000038476 A KR 20000038476A
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KR
South Korea
Prior art keywords
developer
squeeze roller
blade
suction
developing liquid
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Ceased
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KR1019980053490A
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Korean (ko)
Inventor
이윤근
곽진근
Original Assignee
윤종용
삼성전자 주식회사
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Priority to KR1019980053490A priority Critical patent/KR20000038476A/en
Publication of KR20000038476A publication Critical patent/KR20000038476A/en
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    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00Apparatus for electrographic processes using a charge pattern
    • G03G15/06Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/10Apparatus for electrographic processes using a charge pattern for developing using a liquid developer
    • G03G15/11Removing excess liquid developer, e.g. by heat
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00Apparatus for electrophotographic processes
    • G03G2215/06Developing structures, details
    • G03G2215/0634Developing device
    • G03G2215/0658Liquid developer devices

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Wet Developing In Electrophotography (AREA)

Abstract

PURPOSE: An apparatus for removing developing liquid for a wet electronic picture type printer is provided to improve the structure of the printer in order to maximize the removal efficiency of the developing liquid. CONSTITUTION: An apparatus for removing developing liquid remaining between a photosensitive material(20) and a squeeze roller(28) for a wet electronic picture type printer includes a blade(30), a plate(32), and a suction pump(36). The blade(30) is implemented on the squeeze roller(28) in order to scratch the surface of the squeeze roller. The plate(32) is implemented so as to be spaced from the blade and the squeeze roller. The plate(32) is further implemented to form a suction hole(34) to absorb the developing liquid remaining between the squeeze roller and the photosensitive material(20). The suction pump(36) provides suction power to the suction hole(34).

Description

습식 전자사진방식 인쇄기의 현상액 제거장치Developer Removal Device of Wet Electrophotographic Printing Machine

본 발명은 습식 전자사진방식 인쇄기의 현상액 제거장치에 관한 것으로서, 상세하게는 감광매체와 스퀴즈롤러 사이에 잔류하는 현상액을 제거하기 위한 습식전자사진방식 인쇄기의 현상액 제거장치에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a developer removal apparatus for a wet electrophotographic printing press, and more particularly, to a developer removal apparatus for a wet electrophotographic printing press for removing a developer remaining between a photosensitive medium and a squeeze roller.

일반적으로 전자사진방식을 이용하는 칼라 레이저 프린터나 복사기 등과 같은 습식 인쇄기는 소정의 색상을 가지는 고체상의 토너와 용매 역할을 하는 액상의 캐리어가 혼합된 현상액을 감광벨트와 같은 감광매체에 형성된 정전잠상 영역에 부착하여 원하는 화상을 얻기 위한 것이다. 이와 같은 인쇄기에는 감광매체의 정전잠상 영역에 현상액을 부착시켜, 그 정전잠상 영역에 화상을 형성시키기 위한 현상유니트가 마련된다. 이러한 현상유니트의 일 예가 도 1에 도시되어 있다.BACKGROUND In general, a wet printer such as a color laser printer or a copier using an electrophotographic method may include a developer in which a solid toner having a predetermined color and a liquid carrier serving as a solvent are mixed into an electrostatic latent image region formed on a photosensitive medium such as a photosensitive belt. It is for attaching and obtaining a desired image. Such a printing machine is provided with a developing unit for attaching a developer to the electrostatic latent image area of the photosensitive medium to form an image in the electrostatic latent image area. An example of such a developing unit is shown in FIG.

도 1을 참조하면, 현상유니트는 현상기 본체(11) 내부에 설치된 현상롤러(12)와 현상액 제거장치를 구비한다. 상기 현상롤러(12)는 감광벨트(10)와의 사이에 현상갭을 가지며, 현상기 본체(11) 내에 회전가능하게 설치된다. 이 현상롤러(12)는 감광벨트(10)의 주행방향으로 회전되면서 분사노즐(17)을 통해 상기 현상갭으로 공급되는 현상액을 감광벨트(10)의 전사면(10a)에 형성된 정전잠상 영역에 전사시킨다. 여기서, 상기 현상액은 고체상의 토너와 액상의 캐리어가 혼합된 잉크이다.Referring to FIG. 1, the developing unit includes a developing roller 12 installed in the developing body main body 11 and a developing solution removing device. The developing roller 12 has a developing gap between the photosensitive belt 10 and is rotatably installed in the developing body 11. The developing roller 12 is rotated in the traveling direction of the photosensitive belt 10 and the developer supplied to the developing gap through the injection nozzle 17 is placed in the electrostatic latent image region formed on the transfer surface 10a of the photosensitive belt 10. Transcribe. Here, the developer is an ink in which a solid toner and a liquid carrier are mixed.

상기 현상액 제거장치는 현상롤러(12)에 근접 설치된 스퀴즈롤러(13)와, 블레이드(15)를 구비한다. 상기 스퀴즈롤러(13)는 현상 동작시에는 감광벨트(10)에 접촉되어 그 감광벨트(10)의 주행방향으로 피동 회전되면서, 상기 전사면(10a)의 정전잠상 영역에 부착된 현상액을 압착하여 토너는 필름화하고 필름화된 토너 이외의 대부분의 캐리어는 제거시킨다. 스퀴즈롤러(13)의 외주면을 타고 흘러 내려오는 현상액은 블레이드(15)에 의해 현상기 본체(11) 내로 떨어져서 제거된다.The developer removing device includes a squeeze roller 13 and a blade 15 which are installed in close proximity to the developing roller 12. In the developing operation, the squeeze roller 13 is in contact with the photosensitive belt 10 and driven rotationally in the traveling direction of the photosensitive belt 10, thereby compressing the developer attached to the electrostatic latent image region of the transfer surface 10a. The toner is filmed and most of the carriers other than the filmed toner are removed. The developer that flows down the outer circumferential surface of the squeeze roller 13 is dropped into the developing body main body 11 by the blade 15 and removed.

한편, 현상동작 종료 후에는 도 2에 도시된 바와 같이, 감광벨트(10)와 스퀴즈롤러(13) 사이에 현상액이 계속 잔류하여 형성된 소위 드립라인이 발생하게 된다. 이와 같이 감광벨트(10)와 스퀴즈롤러(13) 사이에 잔류하는 현상액을 제거하기 위해, 감광벨트(10)의 주행속도를 줄인 상태에서, 스퀴즈롤러(13)를 감광벨트(10) 주행방향의 반대방향으로 회전 구동시키면서, 상기 잔류현상액을 제거하게 된다. 그리고, 제거된 잔류현상액은 스퀴즈롤러(13)를 타고 흘러내리다가 블레이드(15)에 의해 현상기본체(11) 내로 떨어지게 된다.On the other hand, after completion of the developing operation, as shown in FIG. 2, a so-called drip line formed by continuously developing the developer between the photosensitive belt 10 and the squeeze roller 13 is generated. In order to remove the developer remaining between the photosensitive belt 10 and the squeeze roller 13 as described above, the squeeze roller 13 is moved in the direction of the photosensitive belt 10 while the traveling speed of the photosensitive belt 10 is reduced. The residual developer is removed while rotating in the opposite direction. Then, the removed residual developer flows down the squeeze roller 13 and falls into the developing basic body 11 by the blade 15.

그런데, 상기와 같은 종래의 습식인쇄기용 현상액 제거장치는 현상동작 후,감광벨트와 스퀴즈롤러 사이에 잔류하는 잔류현상액을 제거하기 위해 감광벨트의 주행속도를 줄여야 하는 부가적인 동작이 필요하게 된다. 또한, 스퀴즈롤러를 역회전시키는 또 다른 부가적인 동작과, 역회전시 감광벨트의 화상영역이 스퀴즈롤러와의 마찰에 의해 손상되어 감광벨트의 수명이 짧아지는 문제점이 있다.However, the conventional developer for removing a developer for a wet printer as described above requires an additional operation of reducing the traveling speed of the photosensitive belt in order to remove residual developer remaining between the photosensitive belt and the squeeze roller after the developing operation. In addition, there is another additional operation of counter rotating the squeeze roller, and the image area of the photo belt is damaged by friction with the squeeze roller during the reverse rotation, thereby shortening the life of the photo belt.

본 발명은 상기와 같은 문제점을 해결하기 위해 창안된 것으로, 감광벨트와 스퀴즈롤러 사이에 잔류하는 현상액의 제거 효율을 증대시킬 수 있도록 구조가 개선된 습식 전자사진방식 인쇄기의 현상액 제거장치를 제공하는데 그 목적이 있다.The present invention was devised to solve the above problems, and provides a developer removal apparatus of a wet electrophotographic printing press having an improved structure to increase the removal efficiency of the developer remaining between the photosensitive belt and the squeeze roller. There is a purpose.

도 1 및 도 2는 종래 습식 전자사진방식 인쇄기의 현상액 제거장치가 적용된 현상유니트를 개략적으로 도시한 도면.1 and 2 schematically show a developing unit to which a developer removing apparatus of a conventional wet electrophotographic printing machine is applied.

도 3은 본 발명의 일 실시예에 따른 습식 전자사진방식 인쇄기의 현상액 제거장치의 구성을 개략적으로 도시한 도면.Figure 3 is a schematic diagram showing the configuration of a developer removal apparatus of a wet electrophotographic printing press according to an embodiment of the present invention.

도 4는 도 3의 개략적 사시도.4 is a schematic perspective view of FIG. 3.

도 5는 도 3의 현상액 제거장치의 동작을 설명하기 위한 개략적인 도면.5 is a schematic view for explaining the operation of the developer removing apparatus of FIG.

< 도면의 주요부분에 대한 부호의 설명 ><Explanation of symbols for the main parts of the drawings>

20...감광매체 22...현상기 본체20 ... Photosensitive medium 22 ... Developer main body

24...분사노즐 26...현상롤러24 ... Injection Nozzle 26 ... Symptom Roller

28...스퀴즈롤러 30...블레이드28 ... squeeze roller 30 ... blade

32...플레이트 34...흡입부32.Plate 34 ... Suction

36...흡입펌프 38...저장탱크36 ... suction pump 38 ... storage tank

상기 목적을 달성하기 위한 본 발명에 따른 습식 전자사진방식 인쇄기의 현상액 제거장치는, 감광매체와 스퀴즈롤러 사이에 잔류하는 현상액을 제거하기 위한 습식 전자사진방식 인쇄기의 현상액 제거장치에 있어서: 상기 스퀴즈롤러의 표면을 긁을 수 있도록 상기 스퀴즈롤러에 접촉되도록 설치된 블레이드; 상기 블레이드와 일정 간격을 유지하고 상기 스퀴즈롤러에 이격되도록 설치되며, 상기 스퀴즈롤러와 상기 감광매체 사이에 잔류하는 현상액을 흡입하는 흡입부가 형성되도록 설치된 플레이트; 및 상기 흡입부가 주위의 현상액을 흡입할 수 있도록 흡입력을 제공하는 흡입펌프;를 구비한다.In the developer removal apparatus for a wet electrophotographic printing press according to the present invention for achieving the above object, in the developer removal apparatus for a wet electrophotographic printing press for removing the developer remaining between the photosensitive medium and the squeeze roller: A blade installed to contact the squeeze roller to scratch the surface of the blade; A plate installed to be spaced apart from the blade and spaced apart from the squeeze roller, and installed to form a suction unit for sucking the developer remaining between the squeeze roller and the photosensitive medium; And a suction pump configured to provide a suction force to suck the developer around the suction unit.

이하, 첨부된 도면을 참조하여 본 발명의 바람직한 실시예에 따른 현상액 제거장치를 상세히 설명한다.Hereinafter, a developer removing apparatus according to a preferred embodiment of the present invention with reference to the accompanying drawings will be described in detail.

도 3은 본 발명의 일 실시예에 따른 현상액 제거장치의 구성을 개략적으로 도시한 도면이고, 도 4는 도 3의 사시도이다.3 is a view schematically showing the configuration of a developer removal apparatus according to an embodiment of the present invention, Figure 4 is a perspective view of FIG.

도면을 참조하면, 본 발명의 일 실시예에 따른 현상액 제거장치는 현상기 본체(22) 내에 설치된 스퀴즈롤러(28)와, 이 스퀴즈롤러(28)에 접촉될 수 있는 블레이드(30)와, 이 블레이드(30)와 일정한 간격을 유지하고 스퀴즈롤러(28)와 이격된 플레이트(32)를 구비한다. 참조부호 24는 분사노즐을 나타내고, 참조부호 26은 현상롤러를 나타낸다.Referring to the drawings, the developer removing apparatus according to an embodiment of the present invention, the squeeze roller 28 installed in the developing body main body 22, the blade 30 which can be in contact with the squeeze roller 28, and the blade It is provided with a plate 32 spaced apart from the 30 and spaced apart from the squeeze roller 28. Reference numeral 24 denotes a spray nozzle, and reference numeral 26 denotes a developing roller.

상기 스퀴즈롤러(28)는 도 1 및 도 2를 참조하여 설명한 바와 같이, 감광매체(20)에 잔존하는 현상액을 스퀴징하기 위해 감광매체(20)에 종동되어 회전되면서 그 감광매체(20)에 존재하는 현상액이 스퀴즈롤러(28)를 타고 흘러내릴 수 있도록 설치된다.As described above with reference to FIGS. 1 and 2, the squeeze roller 28 is driven and rotated on the photosensitive medium 20 to squeeze the developer remaining on the photosensitive medium 20 to the photosensitive medium 20. The existing developer is installed to flow down the squeeze roller 28.

상기 블레이드(32)는 도 1 및 도 2를 참조하여 설명된 바와 같이, 스퀴즈롤러(28)에 접촉되도록 설치되어 그 스퀴즈롤러(28) 표면의 잔존 현상액을 긁어내려 현상기 본체(22)로 떨어뜨린다.1 and 2, the blade 32 is installed to be in contact with the squeeze roller 28 to scrape off the remaining developer on the surface of the squeeze roller 28 and drop it into the developer main body 22. As shown in FIG. .

상기 플레이트(32)는 상기 블레이드(30)와 일정간격을 유지하며, 상기 스퀴즈롤러(28)와는 이격된 상태로 설치되어 블레이드(30)와의 간격에 의해 형성된 흡입부(34)를 통해 블레이드(30)와 스퀴즈롤러(28) 사이의 표면에너지 차이에 의해 스퀴지롤러(28) 표면에 정체되는 현상액을 흡입한다. 즉, 스퀴즈롤러(28)에 접촉된 블레이드(30)와 접촉되지 않는 플레이트(32)는 그 양측이 서로 연결되도록 설치함으로써 주위의 공기를 흡입할 수 있는 일종의 노즐 형태가 될 수 있다. 여기서, 흡입부(34)는 감광매체(20)와 스퀴즈롤러(28)의 길이방향으로 형성된 접촉부(A) 전체에 걸쳐 형성된다. 따라서, 흡입부(34)로 흡입된 현상액은 배출부(33)를 통해 배출되도록 한다.The plate 32 maintains a predetermined distance from the blade 30, is installed in a state spaced apart from the squeeze roller 28, the blade 30 through the suction portion 34 formed by the interval with the blade 30 ) And the developer which is stagnant on the surface of the squeegee roller 28 due to the difference in the surface energy between the squeeze roller 28). That is, the plate 32 that is not in contact with the blade 30 in contact with the squeeze roller 28 may be a kind of nozzle that can suck the surrounding air by installing the two sides are connected to each other. Here, the suction part 34 is formed over the entire contact portion A formed in the longitudinal direction of the photosensitive medium 20 and the squeeze roller 28. Therefore, the developer sucked into the suction part 34 is discharged through the discharge part 33.

상기 흡입펌프(36)는 흡입부(34)가 주위의 현상액을 흡입할 수 있도록 흡입력을 제공하는 것으로서, 배출부(33)에 연결되며 그 배출부(33)로 상기 흡입부(34)가 접촉부(A) 주위에 잔류하는 현상액을 흡입할 수 있도록 흡입력을 제공하게 된다. 이러한, 흡입펌프(36)에는 흡입부(34) 및 배출부(33)를 통해 흡입된 현상액이 저장되는 저장탱크(38)가 연결되어 있다. 저장탱크(38)에는 흡입펌프(36)의 흡입력에 의해 현상액과 함께 흡입된 공기를 배출하기 위한 공기배출관(40)이 연결되어 있고, 흡입되어 저장된 현상액이 배출되는 현상액 배출관(42)이 연결되어 있다. 여기서, 저장탱크(38)에 저장된 현상액은 현상액 배출관(42)을 통해 소정의 경로를 거쳐 재활용되거나 수거되어 폐기된다. 또한, 저장탱크(38)에 현상액 배출관(42)을 연결하지 않고, 현상액이 충만된 저장탱크(38)를 새로운 저장탱크로 교환하는 것도 가능하다. 또한, 저장탱크(38) 내에는 미도시된 필터 등의 여과부재를 더 마련하여 흡입펌프(36)로부터 고압으로 이동되는 현상액과 공기를 효과적으로 분리할 수도 있다.The suction pump 36 provides suction power so that the suction part 34 can suck the surrounding developer, and is connected to the discharge part 33, and the suction part 34 is contacted with the discharge part 33. (A) A suction force is provided to suck the developer remaining around. The suction pump 36 is connected to a storage tank 38 in which a developer sucked through the suction part 34 and the discharge part 33 is stored. The storage tank 38 is connected to the air discharge pipe 40 for discharging the air sucked with the developer by the suction force of the suction pump 36, the developer discharge pipe 42 for discharging the sucked and stored developer is connected have. Here, the developer stored in the storage tank 38 is recycled or collected through a predetermined path through the developer discharge pipe 42 and disposed of. It is also possible to replace the storage tank 38 filled with the developer with a new storage tank without connecting the developer discharge pipe 42 to the storage tank 38. In addition, the storage tank 38 may further include a filtration member such as a filter (not shown) to effectively separate the developer and the air moved from the suction pump 36 to high pressure.

상기와 같은 구성을 가지는 본 발명의 일 실시예에 따른 현상액 제거장치의 동작을 도 3 내지 도 5를 참조하여 설명한다.An operation of the developer removing apparatus according to the exemplary embodiment of the present invention having the above configuration will be described with reference to FIGS. 3 to 5.

먼저, 현상 동작시에는 분사노즐(24)로부터 공급된 현상액은 현상롤러(26)와 감광매체(20) 사이에 형성된 현상갭(G)으로 분사된다. 이러한 현상액은 현상롤러(26)의 회전과, 현상롤러(26)와 감광매체(20)의 표면에너지 차이에 의해 감광매체(20)의 전사면(20a)에 형성된 정전잠상 영역에 부착되어, 그 정전잠상 영역을 현상시킨다. 이와 같이 부착된 현상액은 감광매체(20)에 접촉 회전되는 스퀴즈롤러(28)에 압착되어 현상액 중 토너는 필름화되고, 필름화된 토너 이외의 대부분의 캐리어는 제거된다.First, in the developing operation, the developer supplied from the spray nozzle 24 is injected into the developing gap G formed between the developing roller 26 and the photosensitive medium 20. This developer is attached to the electrostatic latent image region formed on the transfer surface 20a of the photosensitive medium 20 due to the rotation of the developing roller 26 and the surface energy difference between the developing roller 26 and the photosensitive medium 20. Develop the electrostatic latent image area. The developer thus attached is pressed against the squeeze roller 28 which is brought into contact rotation with the photosensitive medium 20 so that the toner in the developer is filmed, and most of the carriers other than the filmed toner are removed.

한편, 상기와 같은 현상 동작의 종료 시에는 도 5에 도시된 바와 같이, 접촉부(A)를 비롯하여 그 접촉부(A)의 주위 즉, 감광매체(20)와 스퀴즈롤러(28) 사이에는 잔류현상액이 잔류하게 된다. 이때, 블레이드(30)와 플레이트(32)가 형성하는 흡입부(34)는 소정의 구동원에 의해 구동되는 흡입펌프(36)에서 제공되는 흡입력에 의해 잔류현상액을 흡입하여 제거시키게 된다. 그리고, 제거된 잔류현상액은 흡입펌프(36)를 거쳐 저장탱크(38)로 이동된 후, 함께 흡입된 공기와 분리되어 소정의 경로로 보내지게 된다.On the other hand, at the end of the developing operation as described above, as shown in FIG. 5, a residual developer is formed around the contact portion A, that is, between the photosensitive medium 20 and the squeeze roller 28. Will remain. At this time, the suction part 34 formed by the blade 30 and the plate 32 sucks and removes the residual developer by the suction force provided by the suction pump 36 driven by a predetermined driving source. Then, the removed residual developer is moved to the storage tank 38 through the suction pump 36, separated from the air sucked together and sent to a predetermined path.

상기와 같은 본 발명에 따른 현상액 제거장치에 따르면, 블레이드와 플레이트가 형성하는 흡입부를 이용하여 잔류현상액을 제거함으로써, 종래와 같이 감광매체의 주행속도를 줄이는 동작 및 스퀴즈롤러를 역회전시키는 부가적인 동작이 필요 없게 된다. 또한, 스퀴즈롤러의 역회전시 감광매체와의 마찰력에 의해 전사면이 손상되는 것이 방지되어 감광매체의 수명이 길어지게 된다.According to the developer removing apparatus according to the present invention as described above, by removing the residual developer using the suction unit formed by the blade and the plate, the operation of reducing the running speed of the photosensitive medium and the additional operation of rotating the squeeze roller as in the prior art You do not need this. In addition, the transfer surface is prevented from being damaged by the frictional force with the photosensitive medium during the reverse rotation of the squeeze roller, thereby increasing the life of the photosensitive medium.

Claims (1)

감광매체와 스퀴즈롤러 사이에 잔류하는 현상액을 제거하기 위한 습식 전자사진방식 인쇄기의 현상액 제거장치에 있어서:In the developer removal apparatus of a wet electrophotographic printer for removing the developer remaining between the photosensitive medium and the squeeze roller: 상기 스퀴즈롤러의 표면을 긁을 수 있도록 상기 스퀴즈롤러에 접촉되도록 설치된 블레이드;A blade installed to contact the squeeze roller to scratch the surface of the squeeze roller; 상기 블레이드와 일정 간격을 유지하고 상기 스퀴즈롤러에 이격되도록 설치되며, 상기 스퀴즈롤러와 상기 감광매체 사이에 잔류하는 현상액을 흡입하는 흡입부가 형성되도록 설치된 플레이트; 및A plate installed to be spaced apart from the blade and spaced apart from the squeeze roller, and installed to form a suction unit for sucking the developer remaining between the squeeze roller and the photosensitive medium; And 상기 흡입부가 주위의 현상액을 흡입할 수 있도록 흡입력을 제공하는 흡입펌프;를 구비하는 것을 특징으로 하는 습식 전자사진방식 인쇄기용 현상액 제거장치.And a suction pump providing a suction force to suck the developer around the suction unit.
KR1019980053490A 1998-12-07 1998-12-07 Apparatus for removing developing liquid for wet electronic picture type printer Ceased KR20000038476A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100868062B1 (en) * 2008-06-12 2008-11-10 주식회사 서광양행 Residual Toner Removal Device
KR101478967B1 (en) * 2013-05-03 2015-01-05 성안기계 (주) Apparatus for preventing set off of rotary press

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100868062B1 (en) * 2008-06-12 2008-11-10 주식회사 서광양행 Residual Toner Removal Device
KR101478967B1 (en) * 2013-05-03 2015-01-05 성안기계 (주) Apparatus for preventing set off of rotary press

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