JPS61116366U - - Google Patents
Info
- Publication number
- JPS61116366U JPS61116366U JP19764084U JP19764084U JPS61116366U JP S61116366 U JPS61116366 U JP S61116366U JP 19764084 U JP19764084 U JP 19764084U JP 19764084 U JP19764084 U JP 19764084U JP S61116366 U JPS61116366 U JP S61116366U
- Authority
- JP
- Japan
- Prior art keywords
- developing device
- image carrier
- developer
- charger
- view
- 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
- 239000002245 particle Substances 0.000 claims 2
- 108091008695 photoreceptors Proteins 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Landscapes
- Magnetic Brush Developing In Electrophotography (AREA)
- Dry Development In Electrophotography (AREA)
Description
第１図は、本考案の現像器の現像時の状態を示
す断面図、第２図は本考案の現像器を有する２色
画像形成装置の要部を示す断面図、第３図は、本
考案の現像器の要部拡大断面図、第４図は、第２
図に示す２色画像形成装置の像形成プロセスにお
ける感光体表面電位変化図、第５図は、２色画像
形成装置に用いられるフイルター交換機構の一例
を示す拡大図である。
１……感光体、２……チヤージヤー、３……チ
ヤージヤー、４……露光、５……第１現像器、６
……第２現像器、７……極性合せ用チヤージヤー
、８……転写用チヤージヤー、９……分離用チヤ
ージヤー、１０……クリーナ、１１……イレーサ
ランプ、１２……転写紙、１３……赤色フイルタ
ー、１４……シアンフイルター、１５……マグネ
ツトロール、１６……現像スリーブ、１７ａ……
シヤツターブレード、１７ｂ……ドクターブレー
ド、１８……撹拌手段、１９……スクレーパ、２
０……搬送手段、２１……回収ロール、２２……
回収用オーガロール、２３……黒色トナー、２４
……赤色トナー、２５……キヤリア、２６……掻
き落し板、２８……磁性ロール、２９……円筒、
３０……フイルター交換機構、３１……ソレノイ
ド、３２……戻しバネ、３３……フイルター保持
部材。
FIG. 1 is a sectional view showing the state of the developing device of the present invention during development, FIG. 2 is a sectional view showing the main parts of a two-color image forming apparatus having the developing device of the present invention, and FIG. 3 is a sectional view of the developing device of the present invention. Figure 4 is an enlarged cross-sectional view of the main parts of the developed developing device.
FIG. 5 is an enlarged view showing an example of a filter exchange mechanism used in the two-color image forming apparatus. 1... Photoreceptor, 2... Charger, 3... Charger, 4... Exposure, 5... First developer, 6
... Second developer, 7 ... Charger for polarity matching, 8 ... Charger for transfer, 9 ... Charger for separation, 10 ... Cleaner, 11 ... Eraser lamp, 12 ... Transfer paper, 13 ... Red Filter, 14... Cyan filter, 15... Magnet roll, 16... Developing sleeve, 17a...
Shutter blade, 17b... Doctor blade, 18... Stirring means, 19... Scraper, 2
0... Conveying means, 21... Collection roll, 22...
Collection auger roll, 23...Black toner, 24
... Red toner, 25 ... Carrier, 26 ... Scraping plate, 28 ... Magnetic roll, 29 ... Cylinder,
30... Filter exchange mechanism, 31... Solenoid, 32... Return spring, 33... Filter holding member.
Claims (1)
て、像担持体に対向して開口している現像開口部
下流側に、像担持体上の不必要粒子と、現像を終
えた現像剤層中の不必要粒子を回収する手段を設
けたことを特徴とする現像器。 In a developing device that visualizes an electrostatic latent image on an image carrier, unnecessary particles on the image carrier and the developer are placed downstream of the development opening facing the image carrier. A developing device characterized by being provided with means for collecting unnecessary particles in a completed developer layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19764084U JPS61116366U (en) | 1984-12-29 | 1984-12-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19764084U JPS61116366U (en) | 1984-12-29 | 1984-12-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61116366U true JPS61116366U (en) | 1986-07-23 |
Family
ID=30756042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19764084U Pending JPS61116366U (en) | 1984-12-29 | 1984-12-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61116366U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63178267A (en) * | 1987-01-19 | 1988-07-22 | Canon Inc | Image forming device |
-
1984
- 1984-12-29 JP JP19764084U patent/JPS61116366U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63178267A (en) * | 1987-01-19 | 1988-07-22 | Canon Inc | Image forming device |
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