JPS63140536U - - Google Patents
Info
- Publication number
- JPS63140536U JPS63140536U JP3267487U JP3267487U JPS63140536U JP S63140536 U JPS63140536 U JP S63140536U JP 3267487 U JP3267487 U JP 3267487U JP 3267487 U JP3267487 U JP 3267487U JP S63140536 U JPS63140536 U JP S63140536U
- Authority
- JP
- Japan
- Prior art keywords
- charged developer
- latent image
- image carrier
- developer
- developing device
- 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
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Cleaning In Electrography (AREA)
- Color Electrophotography (AREA)
Description
第１図は電子写真複写装置に適用した本考案の
一実施例の概略図であり、第２図、第３図、第４
図、第５図は、本考案を夫々説明するための部分
拡大断面図である。
１……第１の現像装置、２……第２の現像装置
、３……電気的クリーニング装置、４……ブレー
ドクリーニング装置、５……感光ドラム、Ｔ１…
…ポジトナー（ネガトナー）、Ｔ２……ネガトナ
ー（ポジトナー）、３１……電極ロール、４１…
…ブレード、３２，４２……トナー搬送手段。
FIG. 1 is a schematic diagram of an embodiment of the present invention applied to an electrophotographic copying apparatus, and FIGS.
5 are partially enlarged cross-sectional views for explaining the present invention. 1 ...First developing device, 2 ...Second developing device, 3 ...Electric cleaning device, 4 ...Blade cleaning device, 5 ...Photosensitive drum, T1 ...
... Positive toner (negative toner), T 2 ... Negative toner (positive toner), 31 ... Electrode roll, 41 ...
...Blade, 32, 42...Toner conveying means.
Claims (1)
現像装置を有する画像形成装置において潜像担持
体回転方向の上流側に潜像担持体と非接触に電気
的クリーニング手段を下流側にブレードクリーニ
ング手段を独立して設け、クリーニング後の正荷
電性現像剤および負荷電性現像剤の少なくとも１
つ以上の現像剤を再使用する手段を設けることを
特徴とする画像形成装置。 In an image forming apparatus having a developing device for positively charged developer and a developing device for negatively charged developer, an electric cleaning means is provided on the upstream side in the rotational direction of the latent image carrier without contacting the latent image carrier, and a blade is provided on the downstream side of the latent image carrier. A cleaning means is independently provided, and at least one of the positively charged developer and the negatively charged developer is cleaned.
An image forming apparatus characterized by being provided with means for reusing more than one developer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3267487U JPS63140536U (en) | 1987-03-06 | 1987-03-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3267487U JPS63140536U (en) | 1987-03-06 | 1987-03-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63140536U true JPS63140536U (en) | 1988-09-16 |
Family
ID=30839579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3267487U Pending JPS63140536U (en) | 1987-03-06 | 1987-03-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63140536U (en) |
-
1987
- 1987-03-06 JP JP3267487U patent/JPS63140536U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS63140536U (en) | ||
| JPS6432571U (en) | ||
| JPH02149955U (en) | ||
| JPS626741U (en) | ||
| JPS6314254U (en) | ||
| JPS58146267U (en) | Cleaning device for wet electrophotography equipment | |
| JPH022350U (en) | ||
| JPH0281557U (en) | ||
| JPH0329874U (en) | ||
| JPH0455047U (en) | ||
| JPS62116270U (en) | ||
| JPS61203760U (en) | ||
| JPH0329876U (en) | ||
| JPS61160468U (en) | ||
| JPS6186758U (en) | ||
| JPS61130960U (en) | ||
| JPH01113261U (en) | ||
| JPS6160269U (en) | ||
| JPS6335069U (en) | ||
| JPS5946369U (en) | Wet transfer type electrophotographic device | |
| JPS62197151U (en) | ||
| JPH0269367U (en) | ||
| JPH0197361U (en) | ||
| JPH0322247U (en) | ||
| JPS60122953U (en) | Insulating film belt transfer device |