JPS5294132A - Detector for deterioration of light source for copying machine - Google Patents
Detector for deterioration of light source for copying machineInfo
- Publication number
- JPS5294132A JPS5294132A JP1113976A JP1113976A JPS5294132A JP S5294132 A JPS5294132 A JP S5294132A JP 1113976 A JP1113976 A JP 1113976A JP 1113976 A JP1113976 A JP 1113976A JP S5294132 A JPS5294132 A JP S5294132A
- Authority
- JP
- Japan
- Prior art keywords
- deterioration
- detector
- light source
- copying machine
- fluorescent lamp
- 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
- Exposure Or Original Feeding In Electrophotography (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
- Control Of Exposure In Printing And Copying (AREA)
Abstract
PURPOSE:To exchange a fluorescent lamp properly and prevent the reduction of copy quality by detecting and displaying the blackening phenomenon of the end of the fluorescent lamp due to the deterioration of the fluorescent lamp for exposure.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1113976A JPS5294132A (en) | 1976-02-03 | 1976-02-03 | Detector for deterioration of light source for copying machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1113976A JPS5294132A (en) | 1976-02-03 | 1976-02-03 | Detector for deterioration of light source for copying machine |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5294132A true JPS5294132A (en) | 1977-08-08 |
Family
ID=11769677
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1113976A Pending JPS5294132A (en) | 1976-02-03 | 1976-02-03 | Detector for deterioration of light source for copying machine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5294132A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5951353U (en) * | 1982-09-28 | 1984-04-04 | コニカ株式会社 | recording device |
JPS59118475A (en) * | 1982-12-24 | 1984-07-09 | Toshiba Corp | Thermal printer |
-
1976
- 1976-02-03 JP JP1113976A patent/JPS5294132A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5951353U (en) * | 1982-09-28 | 1984-04-04 | コニカ株式会社 | recording device |
JPS59118475A (en) * | 1982-12-24 | 1984-07-09 | Toshiba Corp | Thermal printer |
JPH0454590B2 (en) * | 1982-12-24 | 1992-08-31 | Tokyo Shibaura Electric Co |
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