JPH0375465U

JPH0375465U -

Info

Publication number: JPH0375465U
Application number: JP13774689U
Authority: JP
Priority date: 1989-11-28
Filing date: 1989-11-28
Publication date: 1991-07-29

Description

[Brief explanation of drawings]

第１図は本考案を実施する一形式の複写機の機
構部の構成を示す正面図である。第２図は、第１
図の装置に設けられた制御回路の一部分を示すブ
ロツク図である。第３図は、第２図に示す回路の
動作タイミングを示すタイミングチヤートである
。第４図及び第５図は、画像領域及び非画像部に
現像剤が付着した状態を示す感光体ドラムの斜視
図である。１……感光体ドラム、２……光学走査系、２ａ
……露光ランプ、２ｂ……第１ミラー、２ｃ……
第２ミラー、２ｄ……第３ミラー、２ｅ……結像
レンズ、３……コンタクトガラス、４……イメー
ジセンサ、１０……メインチヤージヤ、１１……
レーザ光、１２……ポリゴンミラー、１３……現
像ユニツト、１４，１５……カセツト、１６……
レジストローラ、１７……転写チヤージヤ、１８
……分離チヤージヤ、１９……搬送ベルト、２０
……定着ユニツト、２１……クリーニングユニツ
ト、２２……ブレード、２３……ブラシ。 FIG. 1 is a front view showing the structure of a mechanical section of a type of copying machine embodying the present invention. Figure 2 shows the first
FIG. 3 is a block diagram showing a portion of the control circuit provided in the device shown in the figure. FIG. 3 is a timing chart showing the operation timing of the circuit shown in FIG. 2. 4 and 5 are perspective views of the photosensitive drum showing a state in which developer is attached to the image area and the non-image area. 1... Photosensitive drum, 2... Optical scanning system, 2a
...Exposure lamp, 2b...First mirror, 2c...
Second mirror, 2d...Third mirror, 2e...Imaging lens, 3...Contact glass, 4...Image sensor, 10...Main charger, 11...
Laser light, 12... polygon mirror, 13... developing unit, 14, 15... cassette, 16...
Registration roller, 17...Transfer charger, 18
... Separation charger, 19 ... Conveyor belt, 20
... Fixing unit, 21 ... Cleaning unit, 22 ... Blade, 23 ... Brush.

Claims

[Claims for Utility Model Registration] (1) In an image recording device that forms an electrostatic latent image on a photoconductor and develops the electrostatic latent image with a predetermined developer to reproduce a visible image: the photoconductor; an abrasive applying means for applying an abrasive to a position outside the image forming area on the surface; and an abrasive applying means for applying an abrasive to a position outside the image forming area on the surface of the photoreceptor; An image recording device comprising: electronic control means for controlling the distribution of abrasive applied to the area. (2) In an image recording device that forms an electrostatic latent image on a photoreceptor and develops the electrostatic latent image with a predetermined developer to reproduce a visible image: an abrasive added to the developer together with the toner; ; a writing means for applying a predetermined developer adhesion potential to an area outside the image forming area on the photoreceptor; and a writing means for controlling the writing means to write the image formed on the image forming area on the surface of the photoreceptor. Electrons that adjust the size or pattern of the area at each position in the width direction of the area to which the developer adhesion potential of the non-image forming area on the photoconductor is applied, depending on the size of the density distribution area ratio at each position in the width direction. An image recording device comprising: a control means; (3) The image recording apparatus according to claim 2, wherein the electronic control means includes a counter that counts the time when the image signal reaches a specific level, and the grayscale distribution area ratio is detected by the counter. (4) In an image recording device that forms an electrostatic latent image on a photoreceptor and develops the electrostatic latent image with a predetermined developer to reproduce a visible image: a lubricant application means for applying a lubricant to the position where the lubricant is applied; and a distribution of the lubricant that the lubricant application means applies to a non-image forming area according to an image formed in an image forming area on the surface of the photoreceptor; An image recording device comprising: electronic control means for controlling; (5) In an image recording device that forms an electrostatic latent image on a photoreceptor and develops the electrostatic latent image with a predetermined developer to reproduce a visible image: A lubricant added to the developer together with the toner. ; a writing means for applying a predetermined developer adhesion potential to an area outside the image forming area on the photoreceptor; and a writing means for controlling the writing means to write the image formed on the image forming area on the surface of the photoreceptor. Electrons that adjust the size or area pattern of the area to which the lubricant adhesion potential of the non-image forming area on the photoconductor is applied at each position in the width direction, depending on the size of the density distribution area ratio at each position in the width direction. An image recording device comprising: a control means;