KR950029878A - Image Forming Device - Google Patents

Image Forming Device Download PDF

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Publication number
KR950029878A
KR950029878A KR1019940009548A KR19940009548A KR950029878A KR 950029878 A KR950029878 A KR 950029878A KR 1019940009548 A KR1019940009548 A KR 1019940009548A KR 19940009548 A KR19940009548 A KR 19940009548A KR 950029878 A KR950029878 A KR 950029878A
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KR
South Korea
Prior art keywords
photosensitive member
image forming
transfer
image
light
Prior art date
Application number
KR1019940009548A
Other languages
Korean (ko)
Inventor
김영기
Original Assignee
김광호
삼성전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 김광호, 삼성전자 주식회사 filed Critical 김광호
Priority to KR1019940009548A priority Critical patent/KR950029878A/en
Priority to US08/319,811 priority patent/US5532812A/en
Priority to JP24658294A priority patent/JP3221591B2/en
Priority to DE4437756A priority patent/DE4437756B4/en
Priority to FR9412986A priority patent/FR2718541B1/en
Publication of KR950029878A publication Critical patent/KR950029878A/en

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Abstract

감광체에 형성되는 잠상를 각기 다른 색상의 현상제로 현상하는 복수의 현상기를 구비하여 화상을 형성하는 화상 형성장치가 개시되어 있다. 그 장치는 감광체(41B-C)들의 배열방향과 직교하는 방향의 광축(33)을 갖는 노광용 광학계(30), 그 광축상의 복수의 지점(P1-4)을 이동하는 이동미러(31), 각 감광체의 노광위치에서 연장되는 수평선과 그 복수의 지점(P1-4)에서 연장되는 수직선이 만나는 복수의 교점(Q1-4)에 고정설치되는 4개의 고정미러(32B-C)를 포함한다. 개시된 장치는 노광용 광학계로부터 각 감광체에 이르는 광로가 일정하여 그 각 감광체에 일정한 크기의 잠상을 형성한다.Disclosed is an image forming apparatus including a plurality of developing devices for developing a latent image formed on a photosensitive member with a developer of different colors to form an image. The apparatus includes an optical system for exposure 30 having an optical axis 33 in a direction orthogonal to the arrangement direction of the photosensitive members 41B-C, a moving mirror 31 for moving a plurality of points P 1-4 on the optical axis, Four fixed mirrors 32B-C fixedly installed at a plurality of intersections Q 1-4 where a horizontal line extending from an exposure position of each photosensitive member and a vertical line extending from a plurality of points P 1-4 meet. do. The disclosed apparatus has a constant optical path from the optical system for exposure to each photoconductor to form a latent image of a constant size on each photoconductor.

Description

화상형성장치Image Forming Device

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명에 따른 한 실시예의 화상형성장치를 보인 단면도, 제2도는 본 발명에 따른 다른 실시예의 화상형성장치를 보인 단면도, 제3도는 제1도 및 제2도에 도시된 노광용 광학계와 감광체 사이에 배치되는 미러부재들의 배치조건을 설명하기 위하여 나타낸 배치도.1 is a cross-sectional view showing an image forming apparatus of an embodiment according to the present invention, FIG. 2 is a cross-sectional view showing an image forming apparatus of another embodiment according to the present invention, and FIG. 3 is an optical system for exposure shown in FIGS. Arrangement diagram shown to explain the arrangement condition of the mirror members disposed between the photosensitive members.

Claims (7)

일렬로 배치되어 있고 각각 노광에 의해 잠상이 형성되는 감광체(41;41B-C)와 이 감광체의 잠상을 현상하는 현상기를 가지고 있는 복수의 화상형성유니트(40B-C), 화상정보에 따른 광을 투사하여 그 감광체를 노광시키는 노광용 광학계(30), 그 감광체에 현상되어진 화상을 기록지에 전사하기 위한 전사수단을 포함하는 화상형성장치에 있어서, 상기 노광용 광학계(30)가 상기 감광체(41B-C)의 배열방향과 직교하는 방향으로 상기 광을 투사하도록 고정배치되어 있고, 상기 광의 광축(33)상의 지정된 복수의 지점(P1-4)중 선택된 한 지점에서 상기 광을 직교하는 방향으로 반사시키기 위한 제1반사수단, 상기 감광체(41B-C)의 노광위치로부터 연장되는 수평선과 상기복수의 지점(P1-4)으로부터 연장되는 수직선이 만나는 복수의 교점(Q1-4)중 선택된 한 교점에서 상기 제1반사수단에 의하여 반사되는 광을 각각의 감광체로 반사시키기 위한 제2반사수단을 구비하여 되는 것을 특징으로 하는 화상형성장치.A plurality of image forming units 40B-C disposed in a line and having a photosensitive member 41; 41B-C each having a latent image formed by exposure, and a developing device for developing the latent image of the photosensitive member; An image forming apparatus comprising an exposure optical system 30 for projecting and exposing the photosensitive member, and transfer means for transferring an image developed on the photosensitive member to a recording sheet, wherein the exposure optical system 30 is the photosensitive member 41B-C. Fixedly projected to project the light in a direction orthogonal to the arrangement direction of and for reflecting the light in a direction orthogonal at a selected one of a plurality of designated points P 1-4 on the optical axis 33 of the light; At a selected point among a plurality of intersection points Q 1-4 where a horizontal line extending from an exposure position of the photosensitive member 41B-C and a vertical line extending from the plurality of points P 1-4 meet. Prize The image forming apparatus according to claim 2, characterized in that by comprising a reflection means for reflecting the light to the respective photosensitive body which is reflected by the first reflecting means. 제1항에 있어서, 상기 제1반사수단이 상기 광축(33)상의 복수의 지점(P1-4)사이를 이동하도록 설치되는 단일한 이동미러(31)를 구비하여 되는 것을 특징으로 하는 화상형성장치.An image forming according to claim 1, wherein said first reflecting means comprises a single moving mirror (31) installed to move between a plurality of points (P 1-4 ) on said optical axis (33). Device. 제1항에 있어서, 상기 제1반사수단이 상기 광의 광축(33)상의 복수의 지점(P1-4)에 설치되어 상기 광을 반사 또는 통과시키도록 각각 회전 또는 이동하는 복수위 기동미러(31B-C) 또는 (31B' -C' )를 구비하여 되는 것을 특징으로 하는 화상형성장치.2. The multi-level starting mirror 31B according to claim 1, wherein the first reflecting means is installed at a plurality of points P 1-4 on the optical axis 33 of the light and rotates or moves respectively to reflect or pass the light. -C) or (31B '-C'). 제1항에 있어서, 상기 제2반사수단이 상기 복수의 교점(Q1-4)에 각각 고정설치되는 복수의 고정미러(32B-C)를 구비하여 되는 것을 특징으로 하는 화상형성장치.An image forming apparatus according to claim 1, wherein said second reflecting means includes a plurality of fixed mirrors (32B-C) fixedly installed at said plurality of intersections (Q 1-4 ), respectively. 제1항에 있어서, 상기 제2반사수단이 상기 복수의 교점(Q1-4)을 지나는 직선(34)상에 설치되는 단일한 제2미동미러(32)를 구비하여 되는 것을 특징으로 하는 화상형성장치.An image according to claim 1, characterized in that the second reflecting means comprises a single second fine mirror 32 provided on a straight line 34 passing through the plurality of intersections Q 1-4 . Forming device. 제1항에 있어서, 상기 전사수단이 급지되는 기록지를 감아서 상기 복수의 화상형성유니트중 그 어느 하나에 있는 감광체를 향해 선택이동되고 그 선택된 감광체에 대하여 회전작동되는 전사드럼(60)과, 상기 선택된 감광체로부터 상기 전사드럼상의 기록지로 화상이 전사되도록 대전시키는 전사용 대전기(61)를 구비하여 되는 것을 특징으로 하는 화상형성장치.A transfer drum (60) according to claim 1, wherein the transfer means (60) is wound around the recording paper fed by the transfer means and is selectively moved toward the photosensitive member in any one of the plurality of image forming units and rotated with respect to the selected photosensitive member. And a transfer charger (61) for charging the image to be transferred from the selected photosensitive member to the recording paper on the transfer drum. 제1항에 있어서, 상기 전사수단이 기록지가 상기 복수의 화상형성유니트에 있는 감광체들을 경유하도록 그 기록지를 무한궤도로 이송시키는 벨트부재(70)와, 상기 감광체 각각에 대응하도록 상기 무한궤도상에 배치되고 그 감광체 각각에 현상되어지는 화상을 상기 벨트부재에 의하여 이송되는 상기 기록지로 전사시키도록 각각 대전되는 복수의 전사용 대전기(80B-C)를 구비하여 되는 것을 특징으로 하는 화상형성장치.2. The belt member 70 according to claim 1, wherein the transfer means transfers the recording paper to the endless track so that the recording paper passes through the photosensitive members in the plurality of image forming units, and on the endless track so as to correspond to each of the photosensitive members. And a plurality of transfer chargers (80B-C), each of which is disposed and charged to transfer the image developed on each photosensitive member to the recording paper conveyed by the belt member. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940009548A 1994-04-12 1994-04-30 Image Forming Device KR950029878A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
KR1019940009548A KR950029878A (en) 1994-04-30 1994-04-30 Image Forming Device
US08/319,811 US5532812A (en) 1994-04-12 1994-10-07 Apparatus for forming a copy of an original image on a sheet of paper
JP24658294A JP3221591B2 (en) 1994-04-12 1994-10-12 Image forming device
DE4437756A DE4437756B4 (en) 1994-04-12 1994-10-21 Imaging device
FR9412986A FR2718541B1 (en) 1994-04-12 1994-10-28 Image forming apparatus.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940009548A KR950029878A (en) 1994-04-30 1994-04-30 Image Forming Device

Publications (1)

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KR950029878A true KR950029878A (en) 1995-11-24

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KR1019940009548A KR950029878A (en) 1994-04-12 1994-04-30 Image Forming Device

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KR (1) KR950029878A (en)

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