JPS548538A - Controller of developing device - Google Patents
Controller of developing deviceInfo
- Publication number
- JPS548538A JPS548538A JP7351077A JP7351077A JPS548538A JP S548538 A JPS548538 A JP S548538A JP 7351077 A JP7351077 A JP 7351077A JP 7351077 A JP7351077 A JP 7351077A JP S548538 A JPS548538 A JP S548538A
- Authority
- JP
- Japan
- Prior art keywords
- developing device
- scraping
- controller
- developers
- jam
- 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
Landscapes
- Dry Development In Electrophotography (AREA)
Abstract
PURPOSE:To prevent mixing the colors of developers and their flying off into the apparatus by providing a scraping-off and shielding member to a multichromatic developing device, and scraping off the developers by beforehand driving the developing device and scraping-off member with a jam signal when a jam has occurred during developing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7351077A JPS548538A (en) | 1977-06-21 | 1977-06-21 | Controller of developing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7351077A JPS548538A (en) | 1977-06-21 | 1977-06-21 | Controller of developing device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS548538A true JPS548538A (en) | 1979-01-22 |
JPS6321186B2 JPS6321186B2 (en) | 1988-05-06 |
Family
ID=13520310
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7351077A Granted JPS548538A (en) | 1977-06-21 | 1977-06-21 | Controller of developing device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS548538A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4373798A (en) * | 1979-04-23 | 1983-02-15 | Canon Kabushiki Kaisha | Developing device with shutter blade |
JPS61200569A (en) * | 1985-03-04 | 1986-09-05 | Canon Inc | Image forming device |
US4984022A (en) * | 1987-11-26 | 1991-01-08 | Minolta Camera Kabushiki Kaisha | Image forming apparatus having means for attenuating bias voltage of the developing sleeve |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4990946A (en) * | 1972-12-11 | 1974-08-30 | ||
JPS5054156U (en) * | 1973-09-18 | 1975-05-23 | ||
JPS50137748A (en) * | 1974-04-22 | 1975-11-01 | ||
JPS5266431A (en) * | 1975-11-28 | 1977-06-01 | Canon Inc | Copying machine |
-
1977
- 1977-06-21 JP JP7351077A patent/JPS548538A/en active Granted
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4990946A (en) * | 1972-12-11 | 1974-08-30 | ||
JPS5054156U (en) * | 1973-09-18 | 1975-05-23 | ||
JPS50137748A (en) * | 1974-04-22 | 1975-11-01 | ||
JPS5266431A (en) * | 1975-11-28 | 1977-06-01 | Canon Inc | Copying machine |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4373798A (en) * | 1979-04-23 | 1983-02-15 | Canon Kabushiki Kaisha | Developing device with shutter blade |
JPS61200569A (en) * | 1985-03-04 | 1986-09-05 | Canon Inc | Image forming device |
US4984022A (en) * | 1987-11-26 | 1991-01-08 | Minolta Camera Kabushiki Kaisha | Image forming apparatus having means for attenuating bias voltage of the developing sleeve |
Also Published As
Publication number | Publication date |
---|---|
JPS6321186B2 (en) | 1988-05-06 |
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