JPS61106937U

JPS61106937U -

Info

Publication number: JPS61106937U
Application number: JP19183284U
Authority: JP
Priority date: 1984-12-18
Filing date: 1984-12-18
Publication date: 1986-07-07

Description

[Brief explanation of the drawing]

第１図は本考案による電子写真複写装置の一例
を示す概略図、第２図は第１図中の感光ドラム周
辺部を示す部分側断面図、第３図は第１図の装置
本体の斜視図、第４図は第３図の上部断面図、第
５図は透明シートの平面図、第６図および第７図
はフオトセンサ取付周辺部の概略図、第８図は原
稿の正面図、第９図は不要領域の指定状態を示す
図である。１：感光ドラム、１ａ：回転軸、２：ガイド、
３：現像装置、４：転写帯電器、５：クリーニン
グ装置、６：除電器、７：主帯電器、８：カセツ
ト、９：給紙ローラ、１０：搬送ローラ、１１：
光源列、１１ａ：豆ランプ、１２：開口面、１３
：ケース本体、１４Ｒ：第１のマスキング部材、
１４Ｌ：第２のマスキング部材、１５：スリツト
、１６：原稿載置面（原稿台ガラス）、１７：縦
目盛、１８：横目盛、１９：原稿、２０：透明シ
ート、２１：照明系、２２：反射笠、２３：露光
ランプ、２４：光学系支持棒、２５：露光ランプ
ブラケツト、２６：照明系移動スイツチ、２７：
照明系点灯スイツチ、２８Ｒ：第１の可動片、２
８Ｌ：第２の可動片、２９Ｒ：第３の可動片、２
９Ｌ：第４の可動片、３０Ｒ：第１のフオトセン
サ、３０Ｌ：第２のフオトセンサ、３１：Ｌ字片
、３２：ガイド溝、３３：側板、３４：ガイド。 FIG. 1 is a schematic view showing an example of an electrophotographic copying apparatus according to the present invention, FIG. 2 is a partial side sectional view showing the peripheral area of the photosensitive drum in FIG. 1, and FIG. 3 is a perspective view of the main body of the apparatus shown in FIG. 1. Figure 4 is a cross-sectional view of the upper part of Figure 3, Figure 5 is a plan view of the transparent sheet, Figures 6 and 7 are schematic diagrams of the surrounding area where the photo sensor is attached, Figure 8 is a front view of the document, FIG. 9 is a diagram showing a state of specifying an unnecessary area. 1: Photosensitive drum, 1a: Rotating shaft, 2: Guide,
3: Developing device, 4: Transfer charger, 5: Cleaning device, 6: Static eliminator, 7: Main charger, 8: Cassette, 9: Paper feed roller, 10: Conveyance roller, 11:
Light source row, 11a: Small lamp, 12: Opening surface, 13
: case body, 14R: first masking member,
14L: Second masking member, 15: Slit, 16: Original placement surface (original table glass), 17: Vertical scale, 18: Horizontal scale, 19: Original, 20: Transparent sheet, 21: Illumination system, 22: Reflector shade, 23: Exposure lamp, 24: Optical system support rod, 25: Exposure lamp bracket, 26: Illumination system moving switch, 27:
Illumination system lighting switch, 28R: first movable piece, 2
8L: Second movable piece, 29R: Third movable piece, 2
9L: fourth movable piece, 30R: first photo sensor, 30L: second photo sensor, 31: L-shaped piece, 32: guide groove, 33: side plate, 34: guide.

Claims

[Scope of utility model registration request]

Prior to the copying operation, any area of the document placed on the document placement surface is designated as a non-image forming area,
An image forming apparatus that copies the specified area in a blank state, characterized in that when the non-image forming area is specified, the specified area is illuminated from below the document placement surface by illumination means. .