JPS6279259U - - Google Patents
Info
- Publication number
- JPS6279259U JPS6279259U JP17039385U JP17039385U JPS6279259U JP S6279259 U JPS6279259 U JP S6279259U JP 17039385 U JP17039385 U JP 17039385U JP 17039385 U JP17039385 U JP 17039385U JP S6279259 U JPS6279259 U JP S6279259U
- Authority
- JP
- Japan
- Prior art keywords
- toner
- detected value
- supply amount
- developer
- developing means
- 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
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
Landscapes
- Dry Development In Electrophotography (AREA)
Description
第１図はこの考案の一実施例装置の構成図、第
２図は上記実施例装置における自動セツトアツプ
の一例を示すフローチヤート、第３図ａ及びｂは
本出願人の開発に係る現像剤濃度制御装置の構成
を示す図、第４図はその導電性ガラスでの電圧ス
イツチング、ホトセンサ検出波形、ピークホール
ドによる補正波形の説明な供する波形図、第５図
は同じくそのコントロールフローチヤートである
。
〔符号説明〕、２…現像剤、６…濃度検出用ロ
ール、７…現像剤付着用着磁部、１０…濃度検出
用ホトセンサ、１１…導電性ガラス、２２…導電
性ガラス印加用電源、２３…制御部。
Fig. 1 is a block diagram of an embodiment of the device of this invention, Fig. 2 is a flowchart showing an example of automatic setup in the above embodiment device, and Fig. 3 a and b are developer concentration according to the development by the applicant. FIG. 4 is a waveform diagram showing the configuration of the control device, FIG. 4 is a waveform diagram illustrating voltage switching in the conductive glass, photo sensor detection waveform, and correction waveform by peak hold, and FIG. 5 is a control flowchart. [Description of symbols], 2... Developer, 6... Roll for density detection, 7... Magnetized part for developer attachment, 10... Photo sensor for density detection, 11... Conductive glass, 22... Power supply for applying conductive glass, 23 ...control section.
Claims (1)
と対向するトナー現像手段上の現像トナー濃度を
検出し検出値によりトナー供給量を制御する装置
であつて、セツトアツプ時、上記検出値により上
記トナー現像手段に印加する電圧を変化させ、か
つその変化量自体も上記検出値に応じて変化させ
て所定のコントロールポイント付近に設定するよ
う制御する手段を備えることを特徴とする現像剤
濃度制御装置。 A device that detects the density of developed toner on a toner developing means facing a density detecting member having a magnetized portion for adhering developer, and controls the toner supply amount based on the detected value, during setup, the toner supply amount is controlled based on the detected value. A developer concentration control device characterized by comprising means for controlling the voltage applied to the toner developing means and changing the amount of change itself in accordance with the detected value so as to be set near a predetermined control point. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17039385U JPS6279259U (en) | 1985-11-07 | 1985-11-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17039385U JPS6279259U (en) | 1985-11-07 | 1985-11-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6279259U true JPS6279259U (en) | 1987-05-21 |
Family
ID=31105082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17039385U Pending JPS6279259U (en) | 1985-11-07 | 1985-11-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6279259U (en) |
-
1985
- 1985-11-07 JP JP17039385U patent/JPS6279259U/ja active Pending