JPS5681874A - Transfer device of electrophotographic copier - Google Patents
Transfer device of electrophotographic copierInfo
- Publication number
- JPS5681874A JPS5681874A JP15796179A JP15796179A JPS5681874A JP S5681874 A JPS5681874 A JP S5681874A JP 15796179 A JP15796179 A JP 15796179A JP 15796179 A JP15796179 A JP 15796179A JP S5681874 A JPS5681874 A JP S5681874A
- Authority
- JP
- Japan
- Prior art keywords
- image
- photoreceptor
- corotron
- positive
- paper
- 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 realize a transfer of a toner image even via the paper with absorbed moisture or the conductive transfer material, by inverting the toner image after development into the adverse polarity and then carrying out the transfer via the electrostatic Attraction as well as the repulsive force between the toner image and the photoreceptor.
CONSTITUTION: The positive charge is electrified uniformly on the surface 1' of the photoreceptor by the electrifying corotron 2, and then the electrostatic charge image (a) of the positive charge is formed. The toner electrified negative is stuck and developed to the image (a) via the developing unit 4 to form the toner image (b). The image (b) received the positive DC discharge by the DC corotron 5, and the parts other than the image (b) and the picture part on the durface 1' of photoreceptor are electrified positive. Accordingly, the repulsive force is caused between the image (b) and the surface 1'. Then the negative charge caused by the AC corona discharge of the AC corotron 6 is adsorbed toward the photoreceptor 1 to electrify the paper 12 negative. As a result, the repulsive force is cased between the paper 12 and the image (b). In such way, the transfer efficiency can be increased extremely.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15796179A JPS5681874A (en) | 1979-12-07 | 1979-12-07 | Transfer device of electrophotographic copier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15796179A JPS5681874A (en) | 1979-12-07 | 1979-12-07 | Transfer device of electrophotographic copier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5681874A true JPS5681874A (en) | 1981-07-04 |
Family
ID=15661229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15796179A Pending JPS5681874A (en) | 1979-12-07 | 1979-12-07 | Transfer device of electrophotographic copier |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5681874A (en) |
-
1979
- 1979-12-07 JP JP15796179A patent/JPS5681874A/en active Pending
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