JPH0416457U - - Google Patents
Info
- Publication number
- JPH0416457U JPH0416457U JP5657890U JP5657890U JPH0416457U JP H0416457 U JPH0416457 U JP H0416457U JP 5657890 U JP5657890 U JP 5657890U JP 5657890 U JP5657890 U JP 5657890U JP H0416457 U JPH0416457 U JP H0416457U
- Authority
- JP
- Japan
- Prior art keywords
- developing
- bias voltage
- toner
- developing bias
- density
- 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
- 230000000087 stabilizing effect Effects 0.000 claims description 2
- 108091008695 photoreceptors Proteins 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Developing For Electrophotography (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Dry Development In Electrophotography (AREA)
- Electrostatic Charge, Transfer And Separation In Electrography (AREA)
Description
第１図は本考案の一実施例に係る複写画像濃度
安定化装置の制御系統図、第２図は現像ポテンシ
ヤルとトナーパターン濃度との関係を示す特性図
、第３図は本考案の制御動作を示すフローチヤー
ト、第４図はトナーパターンの説明図、第５図は
センサーパターン濃度とトナーパターン濃度との
関係を示す特性図である。
４……センサーパターン、５……感光体、８…
…現像装置（現像手段）、１０……受光素子（検
知手段）、１４……制御部（制御手段）。
FIG. 1 is a control system diagram of a copy image density stabilizing device according to an embodiment of the present invention, FIG. 2 is a characteristic diagram showing the relationship between development potential and toner pattern density, and FIG. 3 is a control operation of the present invention. FIG. 4 is an explanatory diagram of the toner pattern, and FIG. 5 is a characteristic diagram showing the relationship between sensor pattern density and toner pattern density. 4...Sensor pattern, 5...Photoconductor, 8...
...Developing device (developing means), 10... Light receiving element (detecting means), 14... Control section (control means).
Claims (1)
センサーパターンに対応する電位分布を画像形成
領域外に形成する光導性の感光体と、電位分布領
域を現像するときの現像バイアス電圧値を少なく
とも２つ以上与えて現像し、複数のトナーパター
ンを形成する現像手段と、各々の現像バイアス電
圧値に対応した各トナーパターンの濃度を光学的
に検知する検知手段と、その検知結果に応じて現
像剤の現像特性を特定し、特定された現像特性に
応じて現像剤中へのトナー補給を制御し、かつ、
感光体帯電電流、露光装置、現像バイアス電圧等
の制御因子のうちの１つ以上を、所定の制御モー
ドにより制御する制御手段とを備えたことを特徴
とする複写画像濃度安定化装置。 A sensor pattern having a constant image density, a photoconductor that forms a potential distribution corresponding to the sensor pattern outside the image forming area, and at least two developing bias voltage values for developing the potential distribution area. a developing means for developing the toner pattern to form a plurality of toner patterns; a detecting means for optically detecting the density of each toner pattern corresponding to each developing bias voltage value; and a detecting means for optically detecting the density of each toner pattern corresponding to each developing bias voltage value; and controlling the supply of toner into the developer according to the identified development characteristics, and
A copy image density stabilizing device comprising: a control means for controlling one or more of control factors such as a photoreceptor charging current, an exposure device, and a developing bias voltage, according to a predetermined control mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5657890U JPH0416457U (en) | 1990-05-31 | 1990-05-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5657890U JPH0416457U (en) | 1990-05-31 | 1990-05-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0416457U true JPH0416457U (en) | 1992-02-10 |
Family
ID=31580533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5657890U Pending JPH0416457U (en) | 1990-05-31 | 1990-05-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0416457U (en) |
-
1990
- 1990-05-31 JP JP5657890U patent/JPH0416457U/ja active Pending
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