JPS5390940A - Method and device for detecting toner amount on photo-sensitive body - Google Patents
Method and device for detecting toner amount on photo-sensitive bodyInfo
- Publication number
- JPS5390940A JPS5390940A JP563177A JP563177A JPS5390940A JP S5390940 A JPS5390940 A JP S5390940A JP 563177 A JP563177 A JP 563177A JP 563177 A JP563177 A JP 563177A JP S5390940 A JPS5390940 A JP S5390940A
- Authority
- JP
- Japan
- Prior art keywords
- photo
- sensitive body
- toner amount
- detecting toner
- detecting
- 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
- Dry Development In Electrophotography (AREA)
- Control Or Security For Electrophotography (AREA)
Abstract
PURPOSE:To determine the density and degree of deterioration of a developing agent by irradiating toner which adheres on the surface of a photo-sensitive body with light after the development, measuring an electric potential of the portion of the photo-sensitive body surface after the development and irradiation, and detecting the amount of toner which adheres on the body from the difference of the potential.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP563177A JPS5390940A (en) | 1977-01-20 | 1977-01-20 | Method and device for detecting toner amount on photo-sensitive body |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP563177A JPS5390940A (en) | 1977-01-20 | 1977-01-20 | Method and device for detecting toner amount on photo-sensitive body |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5390940A true JPS5390940A (en) | 1978-08-10 |
Family
ID=11616491
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP563177A Pending JPS5390940A (en) | 1977-01-20 | 1977-01-20 | Method and device for detecting toner amount on photo-sensitive body |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5390940A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57173865A (en) * | 1981-04-21 | 1982-10-26 | Fuji Xerox Co Ltd | Picture density controller of electronic copier |
JPH03153278A (en) * | 1989-11-10 | 1991-07-01 | Matsushita Electric Ind Co Ltd | Electrostatic recorder |
-
1977
- 1977-01-20 JP JP563177A patent/JPS5390940A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57173865A (en) * | 1981-04-21 | 1982-10-26 | Fuji Xerox Co Ltd | Picture density controller of electronic copier |
JPH0241752B2 (en) * | 1981-04-21 | 1990-09-19 | ||
JPH03153278A (en) * | 1989-11-10 | 1991-07-01 | Matsushita Electric Ind Co Ltd | Electrostatic recorder |
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