KR20060084928A - Paper feeding apparatus of image forming apparatus having manual feeding unit - Google Patents

Paper feeding apparatus of image forming apparatus having manual feeding unit Download PDF

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Publication number
KR20060084928A
KR20060084928A KR1020050005685A KR20050005685A KR20060084928A KR 20060084928 A KR20060084928 A KR 20060084928A KR 1020050005685 A KR1020050005685 A KR 1020050005685A KR 20050005685 A KR20050005685 A KR 20050005685A KR 20060084928 A KR20060084928 A KR 20060084928A
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South Korea
Prior art keywords
paper
image forming
forming apparatus
manual
feeding
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KR1020050005685A
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Korean (ko)
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박경호
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삼성전자주식회사
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Priority to KR1020050005685A priority Critical patent/KR20060084928A/en
Publication of KR20060084928A publication Critical patent/KR20060084928A/en

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    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/65—Apparatus which relate to the handling of copy material
    • G03G15/6502—Supplying of sheet copy material; Cassettes therefor
    • G03G15/6511—Feeding devices for picking up or separation of copy sheets
    • 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
    • B41J11/006—Means for preventing paper jams or for facilitating their removal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H1/00—Supports or magazines for piles from which articles are to be separated
    • B65H1/08—Supports or magazines for piles from which articles are to be separated with means for advancing the articles to present the articles to the separating device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/02—Separating articles from piles using friction forces between articles and separator
    • B65H3/06—Rollers or like rotary separators
    • B65H3/0684—Rollers or like rotary separators on moving support, e.g. pivoting, for bringing the roller or like rotary separator into contact with the pile
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/14—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base
    • G03G15/16—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer
    • G03G15/163—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer using the force produced by an electrostatic transfer field formed between the second base and the electrographic recording member, e.g. transfer through an air gap
    • G03G15/1635—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer using the force produced by an electrostatic transfer field formed between the second base and the electrographic recording member, e.g. transfer through an air gap the field being produced by laying down an electrostatic charge behind the base or the recording member, e.g. by a corona device
    • G03G15/165—Arrangements for supporting or transporting the second base in the transfer area, e.g. guides
    • G03G15/1655—Arrangements for supporting or transporting the second base in the transfer area, e.g. guides comprising a rotatable holding member to which the second base is attached or attracted, e.g. screen transfer holding drum
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/14—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base
    • G03G15/16—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer
    • G03G15/163—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer using the force produced by an electrostatic transfer field formed between the second base and the electrographic recording member, e.g. transfer through an air gap
    • G03G15/1635—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer using the force produced by an electrostatic transfer field formed between the second base and the electrographic recording member, e.g. transfer through an air gap the field being produced by laying down an electrostatic charge behind the base or the recording member, e.g. by a corona device
    • G03G15/165—Arrangements for supporting or transporting the second base in the transfer area, e.g. guides
    • G03G15/1655—Arrangements for supporting or transporting the second base in the transfer area, e.g. guides comprising a rotatable holding member to which the second base is attached or attracted, e.g. screen transfer holding drum
    • G03G15/166—Arrangements for supporting or transporting the second base in the transfer area, e.g. guides comprising a rotatable holding member to which the second base is attached or attracted, e.g. screen transfer holding drum with means for conditioning the holding member, e.g. cleaning

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)

Abstract

착탈 가능한 수동급지유닛을 구비한 화상형성장치의 급지장치가 개시된다. 개시된 본 발명에 의한 화상형성장치의 급지장치는, 화상형성장치에 마련된 장착부에 착탈가능하게 설치되는 급지장치 본체 및 장착부 내부로 착탈 가능하게 장착되는 수동급지유닛을 포함한다. 따라서, 크기가 다른 용지의 낱장인쇄를 위해 별도의 급지장치를 구비할 필요가 없으며, 급지장치 및 화상형성장치를 소형화 할 수 있다.Disclosed is a sheet feeding apparatus of an image forming apparatus having a detachable manual sheet feeding unit. The paper feeding apparatus of the image forming apparatus according to the present invention includes a paper feeder main body detachably mounted to a mounting portion provided in the image forming apparatus and a manual paper feeding unit detachably mounted into the mounting portion. Therefore, it is not necessary to provide a separate paper feeder for printing single sheets of paper of different sizes, and the paper feeder and the image forming apparatus can be miniaturized.

화상형성장치, 급지장치, 수동급지, 슬라이딩, 급지가이드Image Forming Device, Paper Feeder, Manual Feeding, Sliding, Paper Feed Guide

Description

수동급지유닛을 구비한 화상형성장치의 급지장치 {PAPER FEEDING APPARATUS OF IMAGE FORMING APPARATUS HAVING MANUAL FEEDING UNIT}Paper feeder of image forming apparatus with manual feed unit {PAPER FEEDING APPARATUS OF IMAGE FORMING APPARATUS HAVING MANUAL FEEDING UNIT}

도 1은 종래기술에 의한 화상형성장치의 급지장치의 장착 상태를 도시한 측단면도,1 is a side cross-sectional view showing a mounting state of a paper feeder of an image forming apparatus according to the prior art;

도 2 및 도 3은 본 발명에 의한 화상형성장치의 급지장치의 작동 상태를 도시한 측단면도 이다.2 and 3 are side cross-sectional views showing an operating state of a paper feeder of the image forming apparatus according to the present invention.

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

1; 화상형성장치 본체 10; 화상형성장치One; An image forming apparatus main body 10; Image Forming Device

110; 급지장치 118:수동급지유닛110; Feeder 118: Manual Feed Unit

120; 수동 급지 가이드 130; 픽업유닛120; Manual feed guide 130; Pickup Unit

131; 픽업롤러 140; 용지감지센서131; Pickup roller 140; Paper sensor

150; 피딩롤러150; Feeding Roller

본 발명은 화상형성장치에 관한 것으로서, 낱장인쇄가 가능하도록 착탈 가능한 수동급지유닛을 구비한 급지장치에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an image forming apparatus, and more particularly, to a paper feeding apparatus having a manual paper feeding unit detachable to enable single sheet printing.

일반적으로 화상형성장치는 다수매의 인쇄용지를 수용하는 급지장치를 구비하는데, 이러한 급지장치는 동일한 규격의 인쇄용지를 다수매 수용하고 있다.In general, an image forming apparatus includes a paper feeding device that accommodates a plurality of printing papers, and the paper feeding device accommodates a plurality of printing papers of the same standard.

도 1은 이와 같은 일반적인 화상형성장치의 급지부를 발췌하여 나타낸 도면이다.1 is a view showing an extracting of a paper feeding unit of such a general image forming apparatus.

도시된 바와 같이 화상형성장치(10)는 화상형성장치 본체(1), 급지장치(3), 픽업유닛(5)을 포함한다. 화상형성장치 본체(1)에는 다수매의 인쇄용지가 수납된 급지장치(3)가 착탈 가능하게 설치되는 장착부(2)가 마련된다. 그리고, 화상형성장치 본체(1)의 내부에는 급지장치(3)에 수납된 인쇄용지를 한장씩 픽업하여 미도시된 인쇄부로 급지하는 픽업유닛(5)이 설치된다.As shown, the image forming apparatus 10 includes an image forming apparatus main body 1, a paper feeding apparatus 3, and a pickup unit 5. The image forming apparatus main body 1 is provided with a mounting portion 2 in which a paper feeding device 3 containing a plurality of printing sheets is detachably installed. In addition, a pickup unit 5 is installed inside the image forming apparatus main body 1 for picking up one sheet of printing paper stored in the sheet feeding apparatus 3 and feeding the sheet to a printing unit (not shown).

그런데, 사용자가 필요에 의해 급지장치(3)에 수용된 규격 이외의 인쇄용지를 이용하여 인쇄작업을 수행할 경우, 사용자는 사용 중인 급지장치(3)를 제거하고, 원하는 규격의 인쇄용지를 수납된 새로운 급지장치를 화상형성장치에 장착해야 하는 번거로움이 있다.However, when the user performs a print job using printing paper other than the standard accommodated in the paper feeding device 3 as needed, the user removes the paper feeding device 3 in use and stores the printing paper of the desired standard. There is a hassle to attach a new paper feeder to the image forming apparatus.

물론, 다양한 규격의 인쇄용지를 공급할 수 있는 수동 급지장치가 화상형성장치에 설치되어 있을 경우에는, 이 수동 급지장치를 통해 다른 규격의 인쇄용지를 공급하면 되지만, 소형화가 필요한 팩시밀리와 같은 화상형성장치의 경우에는 수동 급지장치를 추가적으로 설치할 경우, 장치의 부피가 커지고, 제조 단가가 상승한다는 문제점이 있다.Of course, when a manual feeder capable of supplying printing paper of various standards is installed in the image forming apparatus, an image forming apparatus such as a facsimile machine that requires miniaturization may be supplied through the manual feeder. In the case of the manual feeder is additionally installed, there is a problem that the volume of the device is increased, the manufacturing cost is increased.

본 발명은 상기와 같은 문제점을 감안하여 안출된 것으로, 크기가 다른 다양 한 규격의 인쇄용지를 편리하게 급지할 수 있으며, 컴팩트한 화상형성장치의 급지장치를 제공하는데 그 목적이 있다.SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and it is possible to conveniently feed various sizes of printing paper having different sizes, and an object thereof is to provide a paper feeding device of a compact image forming apparatus.

본 발명의 또다른 목적은 화상형성장치의 전체 부피를 줄일 수 있으며, 보다 저렴한 가격으로 제조할 수 있는 화상형성장치의 급지장치 및 이를 구비한 화상형성장치를 제공하는데 있다.Another object of the present invention is to provide a paper feeder of an image forming apparatus and an image forming apparatus having the same, which can reduce the total volume of the image forming apparatus and can be manufactured at a lower cost.

상기와 같은 목적을 달성하기 위한 본 발명에 의한 화상형성장치의 급지장치는 화상형성장치에 마련된 장착부에 착탈가능하게 설치되는 급지장치 본체; 및상기 장착부 내부로 착탈 가능하게 장착되는 수동급지유닛;을 포함한다. The paper feeding device of the image forming apparatus according to the present invention for achieving the above object is a paper feeder body detachably installed in the mounting portion provided in the image forming apparatus; And a manual paper feeding unit detachably mounted into the mounting unit.

이와 같이 수동급지장치가 화상형성장치의 장착부로 다른 사이즈의 인쇄용지를 공급할 필요성이 있을 시만 선택적으로 착탈됨으로써, 별도의 수동급지대를 구비할 필요가 없고, 다양한 사이즈의 용지를 급지하면서 컴팩트하게 급지장치를 구성할 수 있다.Thus, when the manual feeder is selectively detached when there is a need to supply printing paper of different sizes to the mounting portion of the image forming apparatus, there is no need to provide a separate manual feeder, and the paper feeds compactly while feeding various sizes of paper. You can configure the device.

여기서, 상기 수동급지유닛은, 상기 장착부에 장착되는 수동 급지 가이드; 상기 수동 급지 가이드의 상부에 설치되어 유입되는 용지를 이동시키는 피딩롤러; 및 상기 피딩롤러의 전방에 설치되며, 용지의 유입여부를 감지하는 용지감지센서;를 포함하는 것이 바람직하다.Here, the manual feed unit, the manual feed guide mounted to the mounting portion; A feeding roller installed on an upper portion of the manual feeding guide to move the introduced paper; And a paper detection sensor installed in front of the feeding roller and detecting whether paper is introduced.

상기 수동급지가이드는 상기 급지장치 본체의 상단에 장착되며, 상기 피딩롤러 및 상기 용지감지센서는 상기 장착부의 상면에 설치된 것이 바람직하며, 상기 수동급지유닛은, 상기 수동급지가이드를 지지하는 적어도 하나의 가이드롤러를 더 포함하는 것이 더욱 바람직하다.The manual feed guide is mounted on an upper end of the paper feeder main body, and the feeding roller and the paper sensor are preferably installed on an upper surface of the mounting unit, and the manual feed unit includes at least one of the manual feed guides. It is more preferable to further include a guide roller.

이상과 같은 본 발명에 의한 화상형성장치의 급지장치에 의하면, 낱장인쇄를 위한 별도의 급지장치를 추가할 필요가 없기 때문에, 장치를 소형화 할 수 있으며 제조단가를 절감할 수 있다.According to the paper feeder of the image forming apparatus according to the present invention as described above, it is not necessary to add a separate paper feeder for single-sheet printing, it is possible to miniaturize the device and to reduce the manufacturing cost.

이하 본 발명의 바람직한 실시예에 의한 화상형성장의 급지장치를 첨부된 도면과 함께 설명한다. 참고로 종래기술과 동일한 구성 및 동작을 하는 구성요소는 이해를 돕기 위해 동일한 참조부호를 인용하여 설명한다.Hereinafter, an image forming apparatus paper feeding apparatus according to a preferred embodiment of the present invention will be described with the accompanying drawings. For reference, components having the same construction and operation as the prior art will be described by quoting the same reference numerals for better understanding.

도시된 바와 같이, 본 발명에 의한 화상형성장치의 급지장치(100)는 급지장치 본체(110) 및 수동급지 유닛(118)을 포함한다.As shown, the paper feeder 100 of the image forming apparatus according to the present invention includes a paper feeder main body 110 and a manual feed unit 118.

급지장치 본체(110)는 다수매의 동일한 규격의 인쇄용지를 수납하는 것으로, 화상형성장치 본체에 마련된 장착부에 착탈가능하게 설치된다.The paper feeder main body 110 accommodates a plurality of print sheets of the same standard and is detachably installed in a mounting portion provided in the main body of the image forming apparatus.

수동급지유닛(118)은, 수동급지가이드(120), 용지감지센서(140), 피딩롤러(150)를 포함한다.The manual feed unit 118 includes a manual feed guide 120, a paper sensor 140, and a feeding roller 150.

수동 급지 가이드(120)는 급지장치 본체(110)의 상단에 화상형성장치 내부로 삽입될 수 있도록 슬라이딩 가능하게 설치된다. 바람직하게는, 도 2 및 도 3에 도시된 바와 같이, 급지장치 본체(110)에 수동 급지 가이드(120)의 슬라이딩 동작을 가이드 하는 가이드 롤러(121)가 복수개가 구비된다.The manual feed guide 120 is slidably installed at an upper end of the paper feeder main body 110 so as to be inserted into the image forming apparatus. Preferably, as shown in Figures 2 and 3, the paper feeder main body 110 is provided with a plurality of guide rollers 121 for guiding the sliding operation of the manual feed guide 120.

용지감지센서(140)는, 도 2 및 3에 도시된 바와 같이, 상기 수동급지가이드(120)에 의해 가이드되어 유입되는 인쇄용지를 감지하고, 피딩롤러(150)는 공급된 낱장의 인쇄용지를 픽업유닛(130)으로 이송한다. 또한, 화상형성장치의 본체(1)와 급지장치 본체(110) 사이에는 낱장 용지를 삽입할 수 있도록 공간부(7)가 형성되어 있다. 2 and 3, the paper sensor 140 detects the printing paper guided by the manual feed guide 120, and the feeding roller 150 is supplied with a single sheet of printing paper. Transfer to the pickup unit 130. In addition, a space 7 is formed between the main body 1 of the image forming apparatus and the paper feeder main body 110 to insert a sheet of paper.

한편, 화상형성장치의 내부에는, 도 3에 도시된 바와 같이, 수납된 인쇄용지를 픽업하여 인쇄부로 전달하는 픽업유닛(130)이 구성되는데, 픽업유닛(130)은 인쇄용지를 낱장으로 픽업하는 픽업롤러(131)와 픽업롤러(131)를 회전가능하게 지지하는 픽업암(132)을 포함한다.On the other hand, the inside of the image forming apparatus, as shown in Figure 3, there is configured a pickup unit 130 for picking up the stored printing paper and deliver it to the printing unit, the pickup unit 130 to pick up the printing paper sheet And a pickup arm 132 rotatably supporting the pickup roller 131 and the pickup roller 131.

따라서, 수동 급지 가이드(120)가 화상형성장치 내부로 삽입되면, 화상형성장치 내부에 설치되어 인쇄용지를 픽업하는 픽업유닛(130)은 수동 급지 가이드(120)의 상부면에 위치된다. 즉, 도 3에 도시된 바와 같이, 수동 급지 가이드(120)를 화상형성장치 본체(1)의 내부를 향해 밀어 넣으면, 수동 급지 가이드(120)의 끝단은 픽업롤러(131)와 맞닿으면서 픽업롤러(131)와 연결된 픽업암(132)을 상승시킨다. 그러면, 픽업롤러(131)는 수동 급지 가이드(120) 상부면에 위치하면서, 수동 급지 가이드(120)의 상부면을 통해 공급되는 낱장용지를 한 장씩 픽업한다.Therefore, when the manual feed guide 120 is inserted into the image forming apparatus, the pickup unit 130 installed inside the image forming apparatus and picking up the printing paper is located on the upper surface of the manual feed guide 120. That is, as shown in FIG. 3, when the manual feed guide 120 is pushed toward the inside of the image forming apparatus main body 1, the end of the manual feed guide 120 is picked up while contacting the pickup roller 131. The pickup arm 132 connected with the roller 131 is raised. Then, the pickup roller 131 is located on the upper surface of the manual feed guide 120, and picks up the sheet of paper fed through the upper surface of the manual feed guide 120 one by one.

이하, 본 발명에 의한 화상형성장치의 급지장치(100)를 구비한 화상형성장치의 동작을 설명한다.The operation of the image forming apparatus including the sheet feeding apparatus 100 of the image forming apparatus according to the present invention will be described below.

사용자는 화상형성장치에 착탈가능하게 장착되는 급지장치 본체(110) 내부에 다수매의 동일 규격의 인쇄용지를 수납하여 사용한다. 이 때, 별도 규격의 인쇄용지에 인쇄할 경우, 사용자는 급지장치 본체(110)에 슬라이딩 가능하게 설치된 수동 급지 가이드(120)를 화상형성장치 본체 내부를 향해 밀어 넣는다. 그러면, 이 수동 급지 가이드(120)는 화상형성장치 내부에 설치된 픽업유닛(130)을 상측으로 밀어올 리면서, 수동 급지 가이드(120) 상측에 픽업유닛(130)을 위치시킨다.The user stores and uses a plurality of print sheets of the same standard in the paper feeder main body 110 detachably mounted to the image forming apparatus. At this time, when printing on printing paper of a separate standard, the user pushes the manual feed guide 120 slidably installed in the paper feeder main body 110 toward the inside of the image forming apparatus main body. Then, the manual feeding guide 120 pushes the pickup unit 130 installed in the image forming apparatus upward, thereby placing the pickup unit 130 above the manual feeding guide 120.

따라서, 공간부(7)를 통해 낱장의 인쇄용지가 공급되면, 용지감지센서(140)는 낱장 인쇄용지의 진입을 감지하고, 이 감지신호에 따라 피딩롤러(150)를 구동하여, 공간부(7)에 투입된 낱장의 인쇄용지를 픽업유닛(130)에 의해 픽업될 수 있는 위치까지 이송한다. 이 때, 픽업유닛(130)은 사용자에 의해 화상형성장치 본체의 안쪽으로 삽입된 수동 급지 가이드(120)에 의해 들어올려져, 수동 급지 가이드(120)의 상부면에 위치되므로, 수동 급지 가이드(120)의 상부면으로 공급되는 낱장의 인쇄용지는 이 픽업유닛(130)에 의해 픽업되어 인쇄될 수 있다.Therefore, when a single sheet of printing paper is supplied through the space unit 7, the paper sensor 140 detects the entry of the single sheet of printing paper, and drives the feeding roller 150 in response to the detection signal, thereby providing a space unit ( 7) Transfer the sheet of printing paper put into the position where it can be picked up by the pickup unit 130. At this time, the pickup unit 130 is lifted up by the manual feed guide 120 inserted into the image forming apparatus main body by the user, and is located on the upper surface of the manual feed guide 120, so that the manual feed guide 120 is provided. The sheet of printing paper supplied to the upper surface of the sheet may be picked up by the pickup unit 130 and printed.

이와 같은 본 발명에 의하면, 수동 급지 가이드(120)를 화상형성장치 본체의 내부로 밀어 넣는 간단한 동작만으로, 낱장의 인쇄용지를 공급할 수 있어 사용이 간편하다. 또한, 수동급지를 위한 별도의 수동 급지장치를필요로 하지 않으므로, 화상형성장치를 보다 간단하게 구성할 수 있어 제조 단가를 줄일 수 있다.According to the present invention as described above, it is possible to supply a single sheet of printing paper with a simple operation of pushing the manual feed guide 120 into the inside of the image forming apparatus main body, thereby simplifying use. In addition, since a separate manual paper feeder is not required for manual paper feed, the image forming apparatus can be configured more simply, thereby reducing the manufacturing cost.

이상과 같은 본 발명에 의하면, 다른 규격의 인쇄용지로 출력하기 위해 급지장치를 교체하는 번거로움을 해소할 수 있어 사용자 편이성이 향상된다.According to the present invention as described above, the trouble of replacing the paper feeding device to output to printing paper of different standards can be eliminated, and the user convenience is improved.

또한, 낱장인쇄를 위한 별도의 급지장치를 추가할 필요가 없기 때문에, 장치를 소형화 할 수 있으며 제조단가를 절감할 수 있다.In addition, since there is no need to add a separate paper feeder for single sheet printing, the device can be miniaturized and manufacturing costs can be reduced.

이상, 본 발명을 본 발명의 원리를 예시하기 위한 바람직한 실시예와 관련하여 설명하고 도시하였으나, 본 발명은 그와 같이 도시되고 설명된 그대로의 구성 및 작용으로 한정되는 것이 아니다. 오히려, 첨부된 특허청구범위의 사상 및 범주 를 일탈함이 없이 다양한 변경 및 수정이 가능함을 당업자들은 잘 이해할 수 있을 것이다. 따라서, 그러한 모든 적절한 변경 및 수정과 균등물들도 본 발명의 범위에 속하는 것으로 간주되어야 할 것이다.While the invention has been described and illustrated in connection with preferred embodiments for illustrating the principles of the invention, the invention is not limited to the construction and operation as shown and described. Rather, one of ordinary skill in the art appreciates that various changes and modifications can be made without departing from the spirit and scope of the appended claims. Accordingly, all such suitable changes and modifications and equivalents should be considered to be within the scope of the present invention.

Claims (4)

화상형성장치에 마련된 장착부에 착탈가능하게 설치되는 급지장치 본체; 및A paper feeder body detachably installed on a mounting portion provided in the image forming apparatus; And 상기 장착부 내부로 착탈 가능하게 장착되는 수동급지유닛;을 포함하는 것을 특징으로 하는 화상형성장치의 급지장치.And a manual paper feeding unit detachably mounted in the mounting unit. 제 1 항에 있어서, 상기 수동급지유닛은,According to claim 1, wherein the manual feed unit, 상기 장착부에 장착되는 수동 급지 가이드;A manual feed guide mounted on the mounting unit; 상기 수동 급지 가이드의 상부에 설치되어 유입되는 용지를 이동시키는 피딩롤러; 및A feeding roller installed on an upper portion of the manual feeding guide to move the introduced paper; And 상기 피딩롤러의 전방에 설치되며, 용지의 유입여부를 감지하는 용지감지센서;를 포함하는 것을 특징으로 하는 화상형성장치의 급지장치.And a paper sensor installed at the front of the feeding roller and configured to detect whether paper is introduced. 제 2 항에 있어서,The method of claim 2, 상기 수동급지가이드는 상기 급지장치 본체의 상단에 장착되며, 상기 피딩롤러 및 상기 용지감지센서는 상기 장착부의 상면에 설치된 것을 특징으로 하는 화상형성장치의 급지장치.The manual feed guide is mounted on an upper end of the paper feeder main body, and the feeding roller and the paper sensor are installed on an upper surface of the mounting unit. 제 2 항 또는 제 3 항에 있어서, 상기 수동급지유닛은,According to claim 2 or 3, wherein the manual feed unit, 상기 수동급지가이드를 지지하는 적어도 하나의 가이드롤러를 더 포함하는 것을 특징으로 하는 화상형성장치의 급지장치.And at least one guide roller for supporting the manual feed guide.
KR1020050005685A 2005-01-21 2005-01-21 Paper feeding apparatus of image forming apparatus having manual feeding unit KR20060084928A (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57192967A (en) * 1981-05-25 1982-11-27 Canon Inc Paper feeder
JPS6155031A (en) * 1984-08-25 1986-03-19 Mita Ind Co Ltd Paper feeding cassette for copying machine
JPH03186535A (en) * 1989-12-15 1991-08-14 Konica Corp Color image forming device
JPH07329380A (en) * 1994-06-07 1995-12-19 Tec Corp Printing apparatus
JPH0912162A (en) * 1995-04-27 1997-01-14 Ricoh Co Ltd Paper feeder
JP2004107070A (en) * 2002-09-20 2004-04-08 Fuji Xerox Co Ltd Paper feeding unit and image forming device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57192967A (en) * 1981-05-25 1982-11-27 Canon Inc Paper feeder
JPS6155031A (en) * 1984-08-25 1986-03-19 Mita Ind Co Ltd Paper feeding cassette for copying machine
JPH03186535A (en) * 1989-12-15 1991-08-14 Konica Corp Color image forming device
JPH07329380A (en) * 1994-06-07 1995-12-19 Tec Corp Printing apparatus
JPH0912162A (en) * 1995-04-27 1997-01-14 Ricoh Co Ltd Paper feeder
JP2004107070A (en) * 2002-09-20 2004-04-08 Fuji Xerox Co Ltd Paper feeding unit and image forming device

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