JPH0424764U - - Google Patents
Info
- Publication number
- JPH0424764U JPH0424764U JP6467890U JP6467890U JPH0424764U JP H0424764 U JPH0424764 U JP H0424764U JP 6467890 U JP6467890 U JP 6467890U JP 6467890 U JP6467890 U JP 6467890U JP H0424764 U JPH0424764 U JP H0424764U
- Authority
- JP
- Japan
- Prior art keywords
- developing sleeve
- spike cutting
- latent image
- image forming
- developing
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Dry Development In Electrophotography (AREA)
Description
第１図はこの考案の実施例を示す画像形成装置
の概略断面図、第２図は現像スリーブ４Ｙを示す
断面図、第３図は各現像スリーブおよび各現像ス
リーブへ印加するバイアス電圧を示すタイムチヤ
ートである。
１……潜像担持体、３Ｙ，３Ｍ，３Ｃ……現像
器、４Ｙ，４Ｍ，４Ｃ……現像スリーブ。
Fig. 1 is a schematic cross-sectional view of an image forming apparatus showing an embodiment of this invention, Fig. 2 is a cross-sectional view showing a developing sleeve 4Y, and Fig. 3 is a timing diagram showing each developing sleeve and the bias voltage applied to each developing sleeve. It's a chat. 1...Latent image carrier, 3Y, 3M, 3C...Developing device, 4Y, 4M, 4C...Developing sleeve.
Claims (1)
像担持体に近接して、使用トナー色に応じて複数
個配置され、前記静電潜像にトナーを付着させる
ための現像スリーブを有する現像器とを備え、 該現像スリーブの正転によつて現像を行ない、
逆転によつて該現像スリーブのトナー穂切りを行
なう画像形成装置において、 前記現像時および穂切り時に現像スリーブに印
加するバイアス電圧を、穂切り時には現像時の極
性とは逆の極性とすることを特徴とする画像形成
装置。[Claims for Utility Model Registration] A latent image carrier for forming an electrostatic latent image; a developing device having a developing sleeve for adhering toner, and performing development by normal rotation of the developing sleeve;
In an image forming apparatus that performs toner spike cutting of the developing sleeve by reverse rotation, the bias voltage applied to the developing sleeve during development and spike cutting is set to have a polarity opposite to that during development during spike cutting. Features of the image forming device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6467890U JPH0424764U (en) | 1990-06-19 | 1990-06-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6467890U JPH0424764U (en) | 1990-06-19 | 1990-06-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0424764U true JPH0424764U (en) | 1992-02-27 |
Family
ID=31595838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6467890U Pending JPH0424764U (en) | 1990-06-19 | 1990-06-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0424764U (en) |
-
1990
- 1990-06-19 JP JP6467890U patent/JPH0424764U/ja active Pending