JPS5526540A - Forming method of electrophotographic image - Google Patents
Forming method of electrophotographic imageInfo
- Publication number
- JPS5526540A JPS5526540A JP9937878A JP9937878A JPS5526540A JP S5526540 A JPS5526540 A JP S5526540A JP 9937878 A JP9937878 A JP 9937878A JP 9937878 A JP9937878 A JP 9937878A JP S5526540 A JPS5526540 A JP S5526540A
- Authority
- JP
- Japan
- Prior art keywords
- toner
- switch
- changed over
- voltage
- charged
- 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
Abstract
PURPOSE: To control image making speeds amd obtain the fog-free images of required densities by changing the voltage and polarity of a low voltage source with a changeover switch.
CONSTITUTION: An electrode 3 having a photoconductive layer 1 and an electrode 4 for applying voltage are held at a spacing of about 20 to 500μ and the developing solution composed primarily of the insulation type organic solvent containing charged toner 6 is put therebetween. First, if a changeover switch 7 is set at the shortcircuit contact 17a, the charged toner 6 disperses evenly in the developing solution. Next, when the switch is changed over to the high voltage application contact 17b and exposure is done, then the toner 6 having been charged to plus polarity moves to the surface of the photoconductive layer 1 and deposits thereon. When the switch is changed over to the low voltage application contact 17c and a voltage of several V to 1000V is applied between the electrodes after this, then the toner images are formed on the surface of the substrate 5. Next, when the switch is changed over to 17d, then the electrodes 3, 4 are electrically cut off, due to which the formation of the toner image is suspended, whereby the toner images of nescessary densities are obtained.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9937878A JPS5526540A (en) | 1978-08-15 | 1978-08-15 | Forming method of electrophotographic image |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9937878A JPS5526540A (en) | 1978-08-15 | 1978-08-15 | Forming method of electrophotographic image |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5526540A true JPS5526540A (en) | 1980-02-26 |
JPS6321193B2 JPS6321193B2 (en) | 1988-05-06 |
Family
ID=14245855
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9937878A Granted JPS5526540A (en) | 1978-08-15 | 1978-08-15 | Forming method of electrophotographic image |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5526540A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62164057A (en) * | 1986-01-14 | 1987-07-20 | Fuji Photo Film Co Ltd | Liquid developing method for electrophotographic film |
-
1978
- 1978-08-15 JP JP9937878A patent/JPS5526540A/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62164057A (en) * | 1986-01-14 | 1987-07-20 | Fuji Photo Film Co Ltd | Liquid developing method for electrophotographic film |
Also Published As
Publication number | Publication date |
---|---|
JPS6321193B2 (en) | 1988-05-06 |
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