JPS61112347U - - Google Patents
Info
- Publication number
- JPS61112347U JPS61112347U JP19542284U JP19542284U JPS61112347U JP S61112347 U JPS61112347 U JP S61112347U JP 19542284 U JP19542284 U JP 19542284U JP 19542284 U JP19542284 U JP 19542284U JP S61112347 U JPS61112347 U JP S61112347U
- Authority
- JP
- Japan
- Prior art keywords
- developer
- collection roll
- developing device
- voltage
- same polarity
- 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 3
Description
第１図は本考案における第２現像器の構成図、
第２図は従来の第２現像器の構成図、第３図は本
考案の現像器を有する２色画像形成装置の概略図
である。
１……感光体ドラム、２２……第１現像器、２
３……第１現像剤、２４……第２現像器、２５…
…第２現像剤、３０……スリーブ、３１……マグ
ネツトロール、３２……現像ロール、３３……第
１回収ロール、３４……第２回収ロール、３８…
…ドクターブレード、３９……案内板、４０……
スクレーパ部、４１……対向電極部、４２……ス
クレーパ。
FIG. 1 is a configuration diagram of the second developing device in the present invention.
FIG. 2 is a block diagram of a conventional second developing device, and FIG. 3 is a schematic diagram of a two-color image forming apparatus having the developing device of the present invention. 1... Photosensitive drum, 22... First developing device, 2
3...first developer, 24...second developer, 25...
...Second developer, 30...Sleeve, 31...Magnet roll, 32...Developing roll, 33...First collection roll, 34...Second collection roll, 38...
...Doctor blade, 39...Information board, 40...
Scraper part, 41... Counter electrode part, 42... Scraper.
Claims (1)
を印加した第１回収ロールと、前記現像剤と同極
性側に偏倚された交流電圧を印加した第２回収ロ
ールとを有することを特徴とする現像器。 It is characterized by having a developer of a predetermined polarity, a first collection roll to which a voltage of the same polarity as that of the developer is applied, and a second collection roll to which an AC voltage biased toward the same polarity as the developer is applied. A developing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19542284U JPS61112347U (en) | 1984-12-25 | 1984-12-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19542284U JPS61112347U (en) | 1984-12-25 | 1984-12-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61112347U true JPS61112347U (en) | 1986-07-16 |
Family
ID=30752977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19542284U Pending JPS61112347U (en) | 1984-12-25 | 1984-12-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61112347U (en) |
-
1984
- 1984-12-25 JP JP19542284U patent/JPS61112347U/ja active Pending
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