JPS5555369A - Developer toner concentration detector - Google Patents
Developer toner concentration detectorInfo
- Publication number
- JPS5555369A JPS5555369A JP12842578A JP12842578A JPS5555369A JP S5555369 A JPS5555369 A JP S5555369A JP 12842578 A JP12842578 A JP 12842578A JP 12842578 A JP12842578 A JP 12842578A JP S5555369 A JPS5555369 A JP S5555369A
- Authority
- JP
- Japan
- Prior art keywords
- developer
- flow rate
- vessel
- toner concentration
- plate
- 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.)
- Granted
Links
Landscapes
- Dry Development In Electrophotography (AREA)
Abstract
PURPOSE:To accurately measure toner concentration by controlling an amount of developer moved by a magnetic roller for taking out to a predetermined amount using a flow control plate provided in a detection vessel. CONSTITUTION:Developer 1 in detection vessel 7 is taken out with magnetic roller 8 by controlling its flow rate to a proper value with flow rate control plate 7 provided nearly in the center of the lower opening of vessel 7 and in position B of the lower opening. The flow rate of developer 1 flowing under the lower end of plate 9 is arranged to become nearly half that flowing through position B. Accordingly, each flow rate through both routes on both sides plate 9, namely, the routes on both sides of detection coil 6 becomes similar to each other, and developer 1 in vessel 7 flows at a constant rate uniformly without stagnation, thus permitting toner concentration to be accurately measured.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12842578A JPS6028357B2 (en) | 1978-10-20 | 1978-10-20 | Developer toner concentration detection device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12842578A JPS6028357B2 (en) | 1978-10-20 | 1978-10-20 | Developer toner concentration detection device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5555369A true JPS5555369A (en) | 1980-04-23 |
JPS6028357B2 JPS6028357B2 (en) | 1985-07-04 |
Family
ID=14984429
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12842578A Expired JPS6028357B2 (en) | 1978-10-20 | 1978-10-20 | Developer toner concentration detection device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6028357B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10175610B2 (en) * | 2016-03-02 | 2019-01-08 | Canon Kabushiki Kaisha | Developing device having toner content detection |
-
1978
- 1978-10-20 JP JP12842578A patent/JPS6028357B2/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10175610B2 (en) * | 2016-03-02 | 2019-01-08 | Canon Kabushiki Kaisha | Developing device having toner content detection |
Also Published As
Publication number | Publication date |
---|---|
JPS6028357B2 (en) | 1985-07-04 |
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