JPH02121766U - - Google Patents
Info
- Publication number
- JPH02121766U JPH02121766U JP2983089U JP2983089U JPH02121766U JP H02121766 U JPH02121766 U JP H02121766U JP 2983089 U JP2983089 U JP 2983089U JP 2983089 U JP2983089 U JP 2983089U JP H02121766 U JPH02121766 U JP H02121766U
- Authority
- JP
- Japan
- Prior art keywords
- image
- forming apparatus
- cleaning
- developing
- roller
- 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.)
- Granted
Links
- 238000004140 cleaning Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims 2
- 239000012459 cleaning agent Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 108091008695 photoreceptors Proteins 0.000 description 1
Description
第１図は実施例のクリーニング装置の縦断面図
、第２図はそのクリーニング装置が装備されるカ
ラー複写機の縦断面図、第３図はクリーニング性
能及び現像性能を示す曲線図である。
９……感光体（像担持体）、１１Ｙ，１１Ｍ，
１１Ｃ，１１Ｂ……イエロー現像器、マゼンタ現
像器、シアン現像器、ブラツク現像器、（現像手
段）、３０……クリーニング装置（クリーニング
手段）、３１……磁石（クリーニングローラ内磁
極）、３２……スリーブ（クリーニングローラ）
。
FIG. 1 is a longitudinal sectional view of a cleaning device according to an embodiment, FIG. 2 is a longitudinal sectional view of a color copying machine equipped with the cleaning device, and FIG. 3 is a curve diagram showing cleaning performance and developing performance. 9... Photoreceptor (image carrier), 11Y, 11M,
11C, 11B... Yellow developer, magenta developer, cyan developer, black developer, (developing means), 30... Cleaning device (cleaning means), 31... Magnet (magnetic pole inside cleaning roller), 32... Sleeve (cleaning roller)
.
Claims (1)
で現像した後これを転写材に転写して画像を形成
し、転写後に前記像担持体に残留した異物を除去
するクリーニング手段を有する画像形成装置であ
つて、前記クリーニング手段が前記像担持体に対
向して配置されるクリーニングローラを有し、該
クリーニングローラが該クリーニングローラ内部
に前記像担持体に対向して設けられる磁極を備え
該クリーニングローラ表面に磁性を持つたクリー
ニング剤を保持する、画像形成装置において、 前記磁極の前記像担持体側を前記クリーニング
ローラの略円周方向に移動可能としたことを特徴
とする画像形成装置。 (2) 像担持体上に形成された静電潜像を現像手
段によりトナーで現像した後これを転写材に転写
して画像を形成する画像形成装置であつて、前記
現像手段が前記像担持体に対向して配置される現
像ローラを有し、該現像ローラが該現像ローラ内
部に前記像担持体に対向して設けられる磁極を備
え該現像ローラ表面に磁性を持つた現像剤を保持
する、画像形成装置において、 前記磁極の前記像担持体側を前記現像ローラの
略円周方向に移動可能としたことを特徴とする画
像形成装置。[Claims for Utility Model Registration] (1) An electrostatic latent image formed on an image carrier is developed with toner and then transferred to a transfer material to form an image, which remains on the image carrier after transfer. The image forming apparatus has a cleaning means for removing foreign matter, the cleaning means having a cleaning roller disposed opposite to the image carrier, the cleaning roller having the image carrier inside the cleaning roller. In the image forming apparatus, the image forming apparatus includes a magnetic pole provided facing the cleaning roller and holds a magnetic cleaning agent on the surface of the cleaning roller, wherein the image carrier side of the magnetic pole is movable in a substantially circumferential direction of the cleaning roller. An image forming apparatus characterized by: (2) An image forming apparatus that forms an image by developing an electrostatic latent image formed on an image bearing member with toner by a developing means and then transferring it to a transfer material, the developing means forming an image on the image bearing member. The developing roller has a developing roller disposed facing the body, the developing roller has a magnetic pole provided inside the developing roller facing the image carrier, and holds a magnetic developer on the surface of the developing roller. , an image forming apparatus, wherein a side of the magnetic pole on the image carrier side is movable in a substantially circumferential direction of the developing roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989029830U JPH0746935Y2 (en) | 1989-03-17 | 1989-03-17 | Image forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989029830U JPH0746935Y2 (en) | 1989-03-17 | 1989-03-17 | Image forming device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02121766U true JPH02121766U (en) | 1990-10-03 |
| JPH0746935Y2 JPH0746935Y2 (en) | 1995-10-25 |
Family
ID=31254383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989029830U Expired - Lifetime JPH0746935Y2 (en) | 1989-03-17 | 1989-03-17 | Image forming device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0746935Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53149340A (en) * | 1977-06-02 | 1978-12-26 | Ricoh Co Ltd | Electrophotographic cleaning device |
| JPS54147044A (en) * | 1978-05-11 | 1979-11-16 | Ricoh Co Ltd | Magnetic brush developing device |
| JPS5955468A (en) * | 1982-09-24 | 1984-03-30 | Ricoh Co Ltd | Preventing method of photoreceptor toner filming |
-
1989
- 1989-03-17 JP JP1989029830U patent/JPH0746935Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53149340A (en) * | 1977-06-02 | 1978-12-26 | Ricoh Co Ltd | Electrophotographic cleaning device |
| JPS54147044A (en) * | 1978-05-11 | 1979-11-16 | Ricoh Co Ltd | Magnetic brush developing device |
| JPS5955468A (en) * | 1982-09-24 | 1984-03-30 | Ricoh Co Ltd | Preventing method of photoreceptor toner filming |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0746935Y2 (en) | 1995-10-25 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |