JPS54116937A - Image forming apparatus - Google Patents
Image forming apparatusInfo
- Publication number
- JPS54116937A JPS54116937A JP2462478A JP2462478A JPS54116937A JP S54116937 A JPS54116937 A JP S54116937A JP 2462478 A JP2462478 A JP 2462478A JP 2462478 A JP2462478 A JP 2462478A JP S54116937 A JPS54116937 A JP S54116937A
- Authority
- JP
- Japan
- Prior art keywords
- developing agent
- screen
- circulating passage
- circulating
- image forming
- 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 make it possible to circulate and reuse a developing agent by providing a plurality of fitering members in a developing agent circulating passage thereby to filter out the foreign substance from the developing agent.
CONSTITUTION: The toners 52, which are caught on the surface of a rotating drum 14, are removed by means of a blade 50 and are guided to a circulating passage 53 and further to a developing apparatus 19 by the action of a screw 51. There is arranged in the circulating passage 53 a screen 54 which is used to separate the developing agent from other foreign substance. The screen 54 is equipped with several screens 54a, 54b and 54c which are arranged to have net sizes increased in the direction of the circulating direction of the developing agent. Thus, the foreign substances are stepwise removed in accordance with their sizes so that the clogging of the screen can be delayed.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2462478A JPS54116937A (en) | 1978-03-03 | 1978-03-03 | Image forming apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2462478A JPS54116937A (en) | 1978-03-03 | 1978-03-03 | Image forming apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54116937A true JPS54116937A (en) | 1979-09-11 |
JPS6339909B2 JPS6339909B2 (en) | 1988-08-08 |
Family
ID=12143289
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2462478A Granted JPS54116937A (en) | 1978-03-03 | 1978-03-03 | Image forming apparatus |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54116937A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5955463A (en) * | 1982-09-24 | 1984-03-30 | Mita Ind Co Ltd | Toner density controlling method of two-component developer |
JPS5975268A (en) * | 1982-10-22 | 1984-04-27 | Mita Ind Co Ltd | Method and device for adjusting toner density |
-
1978
- 1978-03-03 JP JP2462478A patent/JPS54116937A/en active Granted
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5955463A (en) * | 1982-09-24 | 1984-03-30 | Mita Ind Co Ltd | Toner density controlling method of two-component developer |
JPH0559427B2 (en) * | 1982-09-24 | 1993-08-31 | Mita Industrial Co Ltd | |
JPS5975268A (en) * | 1982-10-22 | 1984-04-27 | Mita Ind Co Ltd | Method and device for adjusting toner density |
JPH0376457B2 (en) * | 1982-10-22 | 1991-12-05 | Mita Industrial Co Ltd |
Also Published As
Publication number | Publication date |
---|---|
JPS6339909B2 (en) | 1988-08-08 |
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