JPS53136844A - Toner residual quantity detector - Google Patents
Toner residual quantity detectorInfo
- Publication number
- JPS53136844A JPS53136844A JP5140177A JP5140177A JPS53136844A JP S53136844 A JPS53136844 A JP S53136844A JP 5140177 A JP5140177 A JP 5140177A JP 5140177 A JP5140177 A JP 5140177A JP S53136844 A JPS53136844 A JP S53136844A
- Authority
- JP
- Japan
- Prior art keywords
- residual quantity
- quantity detector
- toner residual
- toner
- quantiyty
- 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)
Abstract
PURPOSE:To detect the residual quantiyty of toner and enable always stable copies to be obtained by providing an oscillator and a receiving element mutually opposedly within a hopper where toner is contained.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5140177A JPS53136844A (en) | 1977-05-04 | 1977-05-04 | Toner residual quantity detector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5140177A JPS53136844A (en) | 1977-05-04 | 1977-05-04 | Toner residual quantity detector |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS53136844A true JPS53136844A (en) | 1978-11-29 |
Family
ID=12885911
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5140177A Pending JPS53136844A (en) | 1977-05-04 | 1977-05-04 | Toner residual quantity detector |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS53136844A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS578563A (en) * | 1980-06-18 | 1982-01-16 | Canon Inc | Powdery developer presence detector in developing device |
JPS5768878A (en) * | 1980-10-17 | 1982-04-27 | Canon Inc | Image formation device |
JPS5938462U (en) * | 1982-09-06 | 1984-03-10 | 沖電気工業株式会社 | Toner remaining amount detection device |
JPS5990959U (en) * | 1982-12-09 | 1984-06-20 | 横河電機株式会社 | electrophotographic recording device |
US5035198A (en) * | 1989-04-21 | 1991-07-30 | Ricoh Company, Ltd. | Toner end detection apparatus using ultrasonic sensor |
JP2010145798A (en) * | 2008-12-19 | 2010-07-01 | Canon Inc | Image forming apparatus |
-
1977
- 1977-05-04 JP JP5140177A patent/JPS53136844A/en active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS578563A (en) * | 1980-06-18 | 1982-01-16 | Canon Inc | Powdery developer presence detector in developing device |
JPS5768878A (en) * | 1980-10-17 | 1982-04-27 | Canon Inc | Image formation device |
JPS5938462U (en) * | 1982-09-06 | 1984-03-10 | 沖電気工業株式会社 | Toner remaining amount detection device |
JPS5990959U (en) * | 1982-12-09 | 1984-06-20 | 横河電機株式会社 | electrophotographic recording device |
US5035198A (en) * | 1989-04-21 | 1991-07-30 | Ricoh Company, Ltd. | Toner end detection apparatus using ultrasonic sensor |
JP2010145798A (en) * | 2008-12-19 | 2010-07-01 | Canon Inc | Image forming apparatus |
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