JPS535631A - Method and device for preventing toner from scattering to optical system of electrophotographic copier - Google Patents
Method and device for preventing toner from scattering to optical system of electrophotographic copierInfo
- Publication number
- JPS535631A JPS535631A JP7950876A JP7950876A JPS535631A JP S535631 A JPS535631 A JP S535631A JP 7950876 A JP7950876 A JP 7950876A JP 7950876 A JP7950876 A JP 7950876A JP S535631 A JPS535631 A JP S535631A
- Authority
- JP
- Japan
- Prior art keywords
- optical system
- scattering
- preventing toner
- electrophotographic copier
- copier
- 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
- Exposure Or Original Feeding In Electrophotography (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
Abstract
PURPOSE:To prevent attachment of toner to the light transmission system of the copier using a convergent light transmitter as an optical system for exposure.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7950876A JPS5850346B2 (en) | 1976-07-06 | 1976-07-06 | Method and device for preventing toner scattering in the optical system of an electrophotographic copying machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7950876A JPS5850346B2 (en) | 1976-07-06 | 1976-07-06 | Method and device for preventing toner scattering in the optical system of an electrophotographic copying machine |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS535631A true JPS535631A (en) | 1978-01-19 |
JPS5850346B2 JPS5850346B2 (en) | 1983-11-10 |
Family
ID=13691878
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7950876A Expired JPS5850346B2 (en) | 1976-07-06 | 1976-07-06 | Method and device for preventing toner scattering in the optical system of an electrophotographic copying machine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5850346B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4970552A (en) * | 1987-05-29 | 1990-11-13 | Ricoh Company, Ltd. | Toner contamination preventive means |
US5390006A (en) * | 1991-11-29 | 1995-02-14 | Ricoh Company Ltd. | Imaging forming apparatus with improved exhaust flow |
-
1976
- 1976-07-06 JP JP7950876A patent/JPS5850346B2/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4970552A (en) * | 1987-05-29 | 1990-11-13 | Ricoh Company, Ltd. | Toner contamination preventive means |
US5390006A (en) * | 1991-11-29 | 1995-02-14 | Ricoh Company Ltd. | Imaging forming apparatus with improved exhaust flow |
Also Published As
Publication number | Publication date |
---|---|
JPS5850346B2 (en) | 1983-11-10 |
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