JPS6146556U

JPS6146556U - Multicolor image forming device

Info

Publication number: JPS6146556U
Application number: JP13062884U
Authority: JP
Inventors: 秀哉古田; 良博堺; 五男池田; 捷夫酒井; 司安達; 慧新宮領
Original assignee: 株式会社リコー
Priority date: 1984-08-30
Filing date: 1984-08-30
Publication date: 1986-03-28

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は本考案の実施例の構成を示す断面図、第２図は
露光ランプの配置の変形実施例を示す断面図、第３図は
従来提案されｔＪ多色画像形成装置の一例の構成を示す
断面図である。１・・・感光体ドラム、４・・・イレーサ、５・・・露
光ランプ、６ａ・・・集束性光伝送体アレイ、８・・・
色分解フィルタ、９・・・カラーイメージセンサ、１０
〜１３・・・現像器、１８・・・画像露光スリット中心
、２０・・・イレーサ照射位置、２１・・・原稿露光用
照明中心、２２・・・カラーイメージセンサによる原稿
読取位置。FIG. 1 is a cross-sectional view showing the configuration of an embodiment of the present invention, FIG. 2 is a cross-sectional view showing a modified example of the arrangement of exposure lamps, and FIG. 3 is a configuration of an example of a conventionally proposed tJ multicolor image forming apparatus. FIG. DESCRIPTION OF SYMBOLS 1... Photosensitive drum, 4... Eraser, 5... Exposure lamp, 6a... Focusing light transmission body array, 8...
Color separation filter, 9... Color image sensor, 10
~13...Developer, 18...Center of image exposure slit, 20...Eraser irradiation position, 21...Illumination center for document exposure, 22...Document reading position by color image sensor.

Claims

[Scope of utility model registration request]

(1) The original placed on the contact glass is irradiated with an exposure lamp, an image is formed on the photoreceptor through the exposure point system, and slit exposure is performed, and the original image is extended in the width direction of the photoreceptor. The imaging area of the photoreceptor is read by an image sensor, and the output is processed to selectively blink each element of the eraser, which consists of an array of light emitting elements extending along the width of the photoreceptor. In a multi-color image forming apparatus that performs image processing by selectively erasing in each erase unit, the above-mentioned exposure point-by-point system is a convergent light transmitting array, and an exposure lamp for image exposure is used to irradiate the document from the center. A document is irradiated with the same exposure lamp at a position a certain distance apart in the scanning direction, and the image sensor is placed at a position where it can receive the reflected light. A multicolor image forming apparatus characterized in that the eraser is arranged at a position where it can irradiate a position a certain distance away.

(2) Multicolor image formation according to claim 1 of the utility model registration claim, characterized in that the exposure lamp is disposed between the center of irradiation of the document for exposure and the image sensor. Device.