JPS548538A - Controller of developing device - Google Patents

Controller of developing device

Info

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
Application number
JP7351077A
Other languages
Japanese (ja)
Other versions
JPS6321186B2 (en
Inventor
Osamu Sawamura
Yutaka Komiya
Masahiro Tomosada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP7351077A priority Critical patent/JPS548538A/en
Publication of JPS548538A publication Critical patent/JPS548538A/en
Publication of JPS6321186B2 publication Critical patent/JPS6321186B2/ja
Granted legal-status Critical Current

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.
JP7351077A 1977-06-21 1977-06-21 Controller of developing device Granted JPS548538A (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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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