JPH02138761U - - Google Patents
Info
- Publication number
- JPH02138761U JPH02138761U JP4785489U JP4785489U JPH02138761U JP H02138761 U JPH02138761 U JP H02138761U JP 4785489 U JP4785489 U JP 4785489U JP 4785489 U JP4785489 U JP 4785489U JP H02138761 U JPH02138761 U JP H02138761U
- Authority
- JP
- Japan
- Prior art keywords
- latent image
- image carrier
- developer
- contact
- carrying member
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Landscapes
- Dry Development In Electrophotography (AREA)
Description
第１図は本案一実施例の現像装置を備えた電子
写真複写機の概略構成図、第２図Ａ及びＢは上記
現像装置における非接触現像モード、接触現像モ
ード実行時の現像状態をそれぞれ示す図、第３図
Ａ及びＢは別の実施例の現像装置における接触現
像モード、非接触現像モード実行時の現像状態を
それぞれ示す図である。
１……潜像担持体としてのドラム状感光体、６
……現像剤担持部材、１３……磁石体、１５……
現像部、１７……リンク杆、１８……ソレノイド
、１９……ロツド杆、２１……現像剤規制ローラ
。
FIG. 1 is a schematic configuration diagram of an electrophotographic copying machine equipped with a developing device according to an embodiment of the present invention, and FIGS. 2 A and B show the developing states of the developing device when the non-contact developing mode and the contact developing mode are executed, respectively. FIGS. 3A and 3B are diagrams respectively showing the developing state when a contact developing mode and a non-contact developing mode are executed in a developing device of another embodiment. 1...Drum-shaped photoreceptor as a latent image carrier, 6
...Developer carrying member, 13...Magnet, 15...
Developing section, 17... link rod, 18... solenoid, 19... rod rod, 21... developer regulating roller.
Claims (1)
され、周面に担持した現像剤で、潜像担持体に形
成された静電潜像を現像する現像剤担持部材と、
該現像剤担持部材上の現像剤を、潜像担持体と対
向する現像部で潜像担持体に対して原稿画像に応
じて選択的に接触、非接触状態にする手段とを設
けて成るようにした現像装置。 a developer carrying member that faces the latent image carrier with a certain gap therebetween and develops an electrostatic latent image formed on the latent image carrier with a developer carried on its peripheral surface;
means for selectively bringing the developer on the developer carrying member into contact or non-contact with the latent image carrier in a developing section facing the latent image carrier depending on the document image; development equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4785489U JPH02138761U (en) | 1989-04-24 | 1989-04-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4785489U JPH02138761U (en) | 1989-04-24 | 1989-04-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02138761U true JPH02138761U (en) | 1990-11-20 |
Family
ID=31564152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4785489U Pending JPH02138761U (en) | 1989-04-24 | 1989-04-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02138761U (en) |
-
1989
- 1989-04-24 JP JP4785489U patent/JPH02138761U/ja active Pending
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