JPS54135537A - Developing performance detector for binary dry type developer - Google Patents
Developing performance detector for binary dry type developerInfo
- Publication number
- JPS54135537A JPS54135537A JP4288878A JP4288878A JPS54135537A JP S54135537 A JPS54135537 A JP S54135537A JP 4288878 A JP4288878 A JP 4288878A JP 4288878 A JP4288878 A JP 4288878A JP S54135537 A JPS54135537 A JP S54135537A
- Authority
- JP
- Japan
- Prior art keywords
- cloud
- toner
- housing
- density
- dry type
- 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
Landscapes
- Dry Development In Electrophotography (AREA)
Abstract
PURPOSE:To reduce size and contamination of a photoconductive device, to enhance stability, reliability, and durability, and to enable detection of developing performance intermediately, by detecting the density of toner cloud produced in the inside during operation of a developing apparatus. CONSTITUTION:Toner 2a in toner hopper 1 is supplied through toner dispenser 3 into developing apparatus housing 4. Photosensitive drum 12 holding a static latent image and an opposite developing roller 5 rotate, binary dry type developer 2 is drawn up on roller 5 by this, and brought in contact to the surface of drum 12 to develop the static latent image. Then, the developer 2 drops down in housing 4, and scattered to form toner cloud 7. Cloud 7 is passed through cloud suction opening 8 and pipe 6 with air pump 10, and this density is detected with toner cloud density detector 9 provided on the outside of housing 4, and then, the cloud is caught with filter 11.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4288878A JPS54135537A (en) | 1978-04-12 | 1978-04-12 | Developing performance detector for binary dry type developer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4288878A JPS54135537A (en) | 1978-04-12 | 1978-04-12 | Developing performance detector for binary dry type developer |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54135537A true JPS54135537A (en) | 1979-10-20 |
Family
ID=12648563
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4288878A Pending JPS54135537A (en) | 1978-04-12 | 1978-04-12 | Developing performance detector for binary dry type developer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54135537A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4796604A (en) * | 1987-02-13 | 1989-01-10 | Olympus Optical Co., Ltd. | Endoscope and a light guide thereof and a method for manufacturing the light guide |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4895244A (en) * | 1972-02-22 | 1973-12-06 | ||
JPS5010141A (en) * | 1973-05-25 | 1975-02-01 |
-
1978
- 1978-04-12 JP JP4288878A patent/JPS54135537A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4895244A (en) * | 1972-02-22 | 1973-12-06 | ||
JPS5010141A (en) * | 1973-05-25 | 1975-02-01 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4796604A (en) * | 1987-02-13 | 1989-01-10 | Olympus Optical Co., Ltd. | Endoscope and a light guide thereof and a method for manufacturing the light guide |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB1281485A (en) | Electrophotographic copying apparatus | |
GB1271750A (en) | Electrographic liquid-development apparatus | |
SE7909886L (en) | SET AND DEVICE FOR DEVELOPING LATENT ELECTROSTATIC IMAGES | |
JPS54135537A (en) | Developing performance detector for binary dry type developer | |
GB1498435A (en) | Developing device for use in electrophotography | |
US3650616A (en) | Mispuff detector | |
GB1400073A (en) | Liquid developing device in electrophotographic copying apparats | |
JPS57190974A (en) | Electrophotographic developing device | |
JPS5528062A (en) | Dry type developing apparatus in electrophotographic copier or the like | |
JPS54126552A (en) | Toner replenishing device for developing of copying machines and others | |
JPS5517161A (en) | Liquid developing method of electrostatic latent image | |
JPS58163979A (en) | Toner recovering device | |
JPS6311635Y2 (en) | ||
GB1504381A (en) | Method and apparatus for developing an electrostatic latent image on an electrophotographic film | |
JPS57186764A (en) | Jam detector of picture forming device | |
JPS54115246A (en) | Toner concentration detector | |
JPS55100579A (en) | Electrostatic copying machine | |
JPS5763554A (en) | Developer changing method of recording device | |
JPS6411278A (en) | Developing device | |
JPS5642258A (en) | Cleaning device | |
JPS5511288A (en) | Replenishing device | |
JPS5730856A (en) | Magnetic brush developing device | |
JPH0353233Y2 (en) | ||
JPS61179481A (en) | Liquid developing device | |
JPS57165869A (en) | Developing device for electronic photography |