JPS62110948U - - Google Patents
Info
- Publication number
- JPS62110948U JPS62110948U JP20391485U JP20391485U JPS62110948U JP S62110948 U JPS62110948 U JP S62110948U JP 20391485 U JP20391485 U JP 20391485U JP 20391485 U JP20391485 U JP 20391485U JP S62110948 U JPS62110948 U JP S62110948U
- Authority
- JP
- Japan
- Prior art keywords
- roller
- potential
- voltage
- toner
- 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
- 238000005513 bias potential Methods 0.000 claims 1
- 230000008030 elimination Effects 0.000 claims 1
- 238000003379 elimination reaction Methods 0.000 claims 1
- 230000003068 static effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Developing For Electrophotography (AREA)
- Dry Development In Electrophotography (AREA)
Description
第１図は本考案の一実施例装置を示す構成図、
第２図乃至第４図はいずれも本考案の他の実施例
を示す構成図である。
１……現像ローラ、３……トナー補給ローラ、
２……トナー除電ローラ、７……現像ローラ用バ
イアス電源、８……除電ローラ用バイアス電源。
FIG. 1 is a configuration diagram showing an embodiment of the device of the present invention;
2 to 4 are configuration diagrams showing other embodiments of the present invention. 1...Developing roller, 3...Toner supply roller,
2... Toner charge removal roller, 7... Bias power supply for the developing roller, 8... Bias power supply for the charge removal roller.
Claims (1)
上手側に除電ローラを、下手側にトナー補給ロー
ラを配設するとともに、上記除電ローラには、現
像ローラのバイアス電位と同極性でかつ絶対値が
より高い電位となるような電圧を、上記トナー補
給ローラには使用するトナーの摩擦帯電電位と現
像ローラのバイアス電位の中間の電位となるよう
な電圧をそれぞれ印加してなる現像装置。 In contact with the circumferential surface of the developing roller, a static elimination roller is provided on the upper side in the rotational direction, and a toner replenishment roller is provided on the lower side. A developing device in which a voltage is applied to the toner replenishing roller such that the voltage becomes a higher potential, and a voltage is applied to the toner replenishing roller such that the potential is intermediate between the triboelectric charging potential of the toner used and the bias potential of the developing roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20391485U JPS62110948U (en) | 1985-12-29 | 1985-12-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20391485U JPS62110948U (en) | 1985-12-29 | 1985-12-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62110948U true JPS62110948U (en) | 1987-07-15 |
Family
ID=31169691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20391485U Pending JPS62110948U (en) | 1985-12-29 | 1985-12-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62110948U (en) |
-
1985
- 1985-12-29 JP JP20391485U patent/JPS62110948U/ja active Pending