JPS5635152A - Copying method - Google Patents
Copying methodInfo
- Publication number
- JPS5635152A JPS5635152A JP10973179A JP10973179A JPS5635152A JP S5635152 A JPS5635152 A JP S5635152A JP 10973179 A JP10973179 A JP 10973179A JP 10973179 A JP10973179 A JP 10973179A JP S5635152 A JPS5635152 A JP S5635152A
- Authority
- JP
- Japan
- Prior art keywords
- color
- photoreceptor
- red
- copying
- conductive
- 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
- Photoreceptors In Electrophotography (AREA)
- Electrophotography Using Other Than Carlson'S Method (AREA)
Abstract
PURPOSE: To improve the versatility of a two-color copying apparatus by so forming the apparatus that it may be used for both two-color copying and monochromatic copying of two-color originals by using a photoreceptor for two-color copying.
CONSTITUTION: A photoreceptor 1 comprises laminating conductive layers 11, 12 on a conductive substrate 10, wherein only the conductive layer 12 is made conductive by the irradiation of A-color light and only the conductive layer 11 is made conductive by the B-color light differing from the A-color light. First, the photoreceptor 1 receives positive charging and is simultaneously irradiated uniformly with red-color light. Thereby, only the conductive layer 11 is charged. Thence, the exposure by the light image of a two-color original is made, but if the portions corresponding to the white ground portions irradiated by white-color light are left, the photoconductive layer 11 does not conduct; therefore, the electrostatic latent image of unipolarity corresponding to the red and black two-color image is formed. This electrostatic latent image is of positive polarity; therefore, if it is visualized by the toner of negative charge, that is, the red-color toner TR used at the time of two- color copying process, the monochromatic copy image of red color is obtained on the photoreceptor 1.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10973179A JPS5635152A (en) | 1979-08-30 | 1979-08-30 | Copying method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10973179A JPS5635152A (en) | 1979-08-30 | 1979-08-30 | Copying method |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5635152A true JPS5635152A (en) | 1981-04-07 |
Family
ID=14517804
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10973179A Pending JPS5635152A (en) | 1979-08-30 | 1979-08-30 | Copying method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5635152A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5362586A (en) * | 1990-12-27 | 1994-11-08 | Xerox Corporation | Process for two color imaging comprising a photoreceptor having a unipolar hole transporting layer |
-
1979
- 1979-08-30 JP JP10973179A patent/JPS5635152A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5362586A (en) * | 1990-12-27 | 1994-11-08 | Xerox Corporation | Process for two color imaging comprising a photoreceptor having a unipolar hole transporting layer |
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