JPS54103042A - Development of electrostatic latent image - Google Patents
Development of electrostatic latent imageInfo
- Publication number
- JPS54103042A JPS54103042A JP978978A JP978978A JPS54103042A JP S54103042 A JPS54103042 A JP S54103042A JP 978978 A JP978978 A JP 978978A JP 978978 A JP978978 A JP 978978A JP S54103042 A JPS54103042 A JP S54103042A
- Authority
- JP
- Japan
- Prior art keywords
- roller
- ohms
- insulating
- elastic layer
- developed
- 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
Abstract
PURPOSE:To form a developed sharp image with the use of one component developeing agent by accomplishing the development with the use of first an insulating developing agent feeder having a surface insulating property higher than 10<6> ohms cm and a conductive developing agent feeder having a surface insulating property lower than 10<5> ohms cm and supplied with a bias voltage. CONSTITUTION:A first developing roller 9 is formed on its shaft with an insulating elastic layer 9a covered with silicone rubber. The elastic layer 9a is made of an insulating substance higher than 10<6> ohms cm so that an image having an edge effect can be obtained. The image developed by the first developing roller 9 is then developed with the use of a second developing roller 10. This second roller 10 has its surface made of a conductive elastic layer 10a which has an intrinsic resistivity lower than 10<5> ohms cm and which is prepared by mixing a conductive substance such as carbon into the elastic substance used in the first roller 9. Moreover, the second roller 10 is supplied from a power source 13 with a bias voltage which is equal to or slightly higher than the residual potential upon a photosensitive drum 7.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP978978A JPS54103042A (en) | 1978-01-30 | 1978-01-30 | Development of electrostatic latent image |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP978978A JPS54103042A (en) | 1978-01-30 | 1978-01-30 | Development of electrostatic latent image |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54103042A true JPS54103042A (en) | 1979-08-14 |
Family
ID=11729979
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP978978A Pending JPS54103042A (en) | 1978-01-30 | 1978-01-30 | Development of electrostatic latent image |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54103042A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5647071A (en) * | 1979-09-12 | 1981-04-28 | Xerox Corp | Development device for electronic photography copier |
JPS58104461U (en) * | 1982-01-11 | 1983-07-15 | ヤンマーディーゼル株式会社 | Drain drain sealing device |
JPS5944074A (en) * | 1982-09-06 | 1984-03-12 | Comput Basic Mach Technol Res Assoc | Toner supplying and distributing mechanism |
-
1978
- 1978-01-30 JP JP978978A patent/JPS54103042A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5647071A (en) * | 1979-09-12 | 1981-04-28 | Xerox Corp | Development device for electronic photography copier |
JPH0226231B2 (en) * | 1979-09-12 | 1990-06-08 | Xerox Corp | |
JPS58104461U (en) * | 1982-01-11 | 1983-07-15 | ヤンマーディーゼル株式会社 | Drain drain sealing device |
JPS5944074A (en) * | 1982-09-06 | 1984-03-12 | Comput Basic Mach Technol Res Assoc | Toner supplying and distributing mechanism |
JPH0321908B2 (en) * | 1982-09-06 | 1991-03-25 | Denshi Keisanki Kippon Gijutsu |
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