JPH0331754U - - Google Patents
Info
- Publication number
- JPH0331754U JPH0331754U JP9216089U JP9216089U JPH0331754U JP H0331754 U JPH0331754 U JP H0331754U JP 9216089 U JP9216089 U JP 9216089U JP 9216089 U JP9216089 U JP 9216089U JP H0331754 U JPH0331754 U JP H0331754U
- Authority
- JP
- Japan
- Prior art keywords
- toner
- carrying roller
- roller
- latent image
- supply 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.)
- Pending
Links
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Developing For Electrophotography (AREA)
- Dry Development In Electrophotography (AREA)
Description
第１図は本考案の一実施例を示す全体説明図、
第２図示本考案の一実施例を示す上面説明図、第
３図はその側面説明図である。
１……感光体ドラム、２……現像装置、３……
トナー担持ローラ、５……トナー供給ローラ、６
……トナーホツパー、８……薄層化ローラ。
FIG. 1 is an overall explanatory diagram showing an embodiment of the present invention;
The second figure is an explanatory top view showing one embodiment of the present invention, and FIG. 3 is an explanatory side view thereof. 1...Photosensitive drum, 2...Developing device, 3...
Toner carrying roller, 5... Toner supply roller, 6
...Toner hopper, 8...Thinning roller.
Claims (1)
層を潜像担持体上の静電潜像に近接或いは接触さ
せて可視像化するトナー担持ローラと、非磁性の
一成分トナーを貯蔵する貯蔵部と、該貯蔵部から
前記トナー担持ローラに回転してトナーを付着供
給せしめるトナー供給ローラと、トナー担持ロー
ラに供給されたトナー層厚を規制する規制部材と
を有し、前記トナー担持ローラとトナー供給ロー
ラが互いに接し、トナー供給ローラにはバイアス
電圧が印加されている現像装置において、 前記トナー供給ローラの表面電位を測定し、該
測定した電位に応じて前記トナー担持ローラとの
電位差を一定に保つように、前記バイアス電圧を
変化させることを特徴とする現像装置。[Claims for Utility Model Registration] A toner carrying roller which is disposed opposite to the latent image carrier and rotates to bring the toner layer close to or in contact with the electrostatic latent image on the latent image carrier to make it visible; A storage section for storing magnetic one-component toner, a toner supply roller that rotates from the storage section to the toner carrying roller to adhere and supply the toner, and a regulating member that regulates the thickness of the toner layer supplied to the toner carrying roller. In the developing device, the toner carrying roller and the toner supply roller are in contact with each other, and a bias voltage is applied to the toner supply roller, the surface potential of the toner supply roller is measured, and the surface potential is determined according to the measured potential. A developing device characterized in that the bias voltage is changed so as to maintain a constant potential difference with the toner carrying roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9216089U JPH0331754U (en) | 1989-08-07 | 1989-08-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9216089U JPH0331754U (en) | 1989-08-07 | 1989-08-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0331754U true JPH0331754U (en) | 1991-03-27 |
Family
ID=31641601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9216089U Pending JPH0331754U (en) | 1989-08-07 | 1989-08-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0331754U (en) |
-
1989
- 1989-08-07 JP JP9216089U patent/JPH0331754U/ja active Pending