DE3428587A1 - Entwicklungsvorrichtung - Google Patents

Entwicklungsvorrichtung

Info

Publication number
DE3428587A1
DE3428587A1 DE3428587A DE3428587A DE3428587A1 DE 3428587 A1 DE3428587 A1 DE 3428587A1 DE 3428587 A DE3428587 A DE 3428587A DE 3428587 A DE3428587 A DE 3428587A DE 3428587 A1 DE3428587 A1 DE 3428587A1
Authority
DE
Germany
Prior art keywords
developer
toner
tank
magnetic
developing device
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
DE3428587A
Other languages
German (de)
English (en)
Other versions
DE3428587C2 (https=
Inventor
Keitaro Saitama Yamashita
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.)
Kentek Information Systems Inc
Original Assignee
Hitachi Metals Ltd
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 Hitachi Metals Ltd filed Critical Hitachi Metals Ltd
Publication of DE3428587A1 publication Critical patent/DE3428587A1/de
Application granted granted Critical
Publication of DE3428587C2 publication Critical patent/DE3428587C2/de
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0896—Arrangements or disposition of the complete developer unit or parts thereof not provided for by groups G03G15/08 - G03G15/0894
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0848—Arrangements for testing or measuring developer properties or quality, e.g. charge, size, flowability
    • G03G15/0849—Detection or control means for the developer concentration
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0848—Arrangements for testing or measuring developer properties or quality, e.g. charge, size, flowability
    • G03G15/0849—Detection or control means for the developer concentration
    • G03G15/0855—Detection or control means for the developer concentration the concentration being measured by optical means
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0865—Arrangements for supplying new developer
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0877—Arrangements for metering and dispensing developer from a developer cartridge into the development unit
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/08—Details of powder developing device not concerning the development directly
    • G03G2215/0875—Arrangements for shipping or transporting of the developing device to or from the user
    • G03G2215/0877—Sealing of the developing device opening, facing the image-carrying member
    • G03G2215/088—Peelable sealing film

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Brush Developing In Electrophotography (AREA)
  • Dry Development In Electrophotography (AREA)
DE3428587A 1983-08-03 1984-08-02 Entwicklungsvorrichtung Granted DE3428587A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58142128A JPS6032074A (ja) 1983-08-03 1983-08-03 現像装置

Publications (2)

Publication Number Publication Date
DE3428587A1 true DE3428587A1 (de) 1985-02-21
DE3428587C2 DE3428587C2 (https=) 1989-11-09

Family

ID=15308026

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3428587A Granted DE3428587A1 (de) 1983-08-03 1984-08-02 Entwicklungsvorrichtung

Country Status (3)

Country Link
US (1) US4601259A (https=)
JP (1) JPS6032074A (https=)
DE (1) DE3428587A1 (https=)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0315800A1 (en) * 1987-11-05 1989-05-17 BULL HN INFORMATION SYSTEMS ITALIA S.p.A. Dry toner removable developing cartridge
WO1989004511A1 (en) * 1987-11-03 1989-05-18 Eastman Kodak Company Disposable development station for low cost copier or printer
WO1990000728A1 (en) * 1988-07-05 1990-01-25 Eastman Kodak Company Developer mix monitoring for replaceable developer stations
WO1990004811A1 (en) * 1988-10-17 1990-05-03 Eastman Kodak Company Development station
US4956668A (en) * 1988-07-05 1990-09-11 Eastman Kodak Company Developer mix monitoring for replaceable developer stations
EP0398458A3 (de) * 1989-05-18 1991-08-14 berolina Schriftbild Wolff, Busch & Partner KG Entwicklerstation für einen Laserdrucker
EP0634705A1 (en) * 1993-07-14 1995-01-18 Kabushiki Kaisha Toshiba Image forming apparatus

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4989045A (en) * 1985-10-25 1991-01-29 Colorocs Corporation Method for removal and addition of developer to a toner module in an electrophotographic print engine
US4614165A (en) * 1985-11-25 1986-09-30 Xerox Corporation Extended life development system
JPH058610Y2 (https=) * 1986-11-18 1993-03-03
US4878091A (en) * 1987-09-17 1989-10-31 Konica Corporation Multicolor image forming apparatus
JPS6490474A (en) * 1987-09-30 1989-04-06 Hitachi Metals Ltd Developing device
US5083166A (en) * 1987-11-03 1992-01-21 Eastman Kodak Company Disposable development station using two component developer and method of making same
US5078086A (en) * 1988-05-20 1992-01-07 Xerox Corporation Developer unit having an indexable magnet
JPH0248965U (https=) * 1988-09-30 1990-04-05
US4993829A (en) * 1988-10-24 1991-02-19 Konica Corporation Developing apparatus for an image forming apparatus
JPH02277083A (ja) * 1989-04-19 1990-11-13 Ricoh Co Ltd トナー補給機構
JP2974334B2 (ja) * 1989-08-31 1999-11-10 キヤノン株式会社 現像装置
US5003352A (en) * 1989-10-24 1991-03-26 Am International, Inc. Liquid toner supply system and method
US4952301A (en) * 1989-11-06 1990-08-28 Betz Laboratories, Inc. Method of inhibiting fouling in caustic scrubber systems
US5017964A (en) * 1989-11-29 1991-05-21 Am International, Inc. Corona charge system and apparatus for electrophotographic printing press
US5177877A (en) * 1989-12-28 1993-01-12 Am International, Inc. Dryer-fuser apparatus and method for high speed electrophotographic printing device
US5019868A (en) * 1989-12-28 1991-05-28 Am International, Inc. Developer electrode and reverse roller assembly for high speed electrophotographic printing device
US5077172A (en) * 1989-12-28 1991-12-31 Am International, Inc. Carrier web transfer device and method for electrophotographic printing press
US5249020A (en) * 1990-06-27 1993-09-28 Asahi Kogaku Kogyo Kabushiki Kaisha Developing device for electrophotographic image recording apparatus
US5450178A (en) * 1990-09-10 1995-09-12 Fujitsu Limited Process and apparatus for replacing the carrier portion of a developing agent having toner used in an image-forming apparatus
DE4201899C2 (de) * 1991-01-31 1996-04-11 Minolta Camera Kk Elektrophotographische Prozeßeinheit
KR940003109B1 (ko) * 1991-04-17 1994-04-13 삼성전자 주식회사 화상 기록장치
US5678125A (en) * 1995-05-17 1997-10-14 Ricoh Company, Ltd. Image forming apparatus
US6229980B1 (en) * 1997-12-12 2001-05-08 Canon Kabushiki Kaisha Developing apparatus featuring first and second developer chambers and guide member for directing stripped-off developer
JP4054521B2 (ja) * 1999-11-29 2008-02-27 キヤノン株式会社 現像剤補給カートリッジ及び現像剤補給システム
JP5387980B2 (ja) 2009-02-06 2014-01-15 株式会社リコー 現像装置、プロセスカートリッジ、及び画像形成装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2815841B2 (de) * 1977-04-13 1980-02-21 Hitachi, Ltd., Tokio Elektrophotographische Entwicklungsvorrichtung mit einer Einrichtung zum Erfassen der Tonerteilchenkonzentration in einem Entwicklerpulver
JPS5647072A (en) * 1979-09-27 1981-04-28 Canon Inc Developing device
DE3323086A1 (de) * 1982-06-28 1983-12-29 Canon K.K., Tokyo Entwicklungsvorrichtung

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53126944A (en) * 1977-04-13 1978-11-06 Hitachi Ltd Developing device using developing powder
JPS5596966A (en) * 1979-01-17 1980-07-23 Hitachi Metals Ltd Toner cartridge
JPS55107047A (en) * 1979-02-09 1980-08-16 Hitachi Ltd Air pressure compensator of carburetor
JPS56156859A (en) * 1980-05-07 1981-12-03 Hitachi Metals Ltd Toner cartridge
DE3149908A1 (de) * 1980-12-19 1982-09-02 Minolta Camera K.K., Osaka Verfahren zum steuern der tonerkonzentration fuer elektrofotografische kopiergeraete
JPS57211175A (en) * 1981-06-23 1982-12-24 Hitachi Metals Ltd Toner cartridge
JPS5824151A (ja) * 1981-08-05 1983-02-14 Canon Inc 画像形成装置に着脱自在なプロセスキット
JPS5857874A (ja) * 1981-09-30 1983-04-06 Tokuzo Hirose 画像記録装置
JPS5857873A (ja) * 1981-10-01 1983-04-06 Matsushita Electric Ind Co Ltd 警報音発生装置
JPS58108566A (ja) * 1981-12-22 1983-06-28 Konishiroku Photo Ind Co Ltd 現像方法
JPS5999463A (ja) * 1982-11-29 1984-06-08 Hitachi Metals Ltd 現像剤のトナ−濃度制御装置
JPS5999462A (ja) * 1982-11-29 1984-06-08 Hitachi Metals Ltd 現像剤のトナ−濃度制御装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2815841B2 (de) * 1977-04-13 1980-02-21 Hitachi, Ltd., Tokio Elektrophotographische Entwicklungsvorrichtung mit einer Einrichtung zum Erfassen der Tonerteilchenkonzentration in einem Entwicklerpulver
JPS5647072A (en) * 1979-09-27 1981-04-28 Canon Inc Developing device
DE3323086A1 (de) * 1982-06-28 1983-12-29 Canon K.K., Tokyo Entwicklungsvorrichtung

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989004511A1 (en) * 1987-11-03 1989-05-18 Eastman Kodak Company Disposable development station for low cost copier or printer
EP0315800A1 (en) * 1987-11-05 1989-05-17 BULL HN INFORMATION SYSTEMS ITALIA S.p.A. Dry toner removable developing cartridge
WO1990000728A1 (en) * 1988-07-05 1990-01-25 Eastman Kodak Company Developer mix monitoring for replaceable developer stations
US4956668A (en) * 1988-07-05 1990-09-11 Eastman Kodak Company Developer mix monitoring for replaceable developer stations
WO1990004811A1 (en) * 1988-10-17 1990-05-03 Eastman Kodak Company Development station
EP0398458A3 (de) * 1989-05-18 1991-08-14 berolina Schriftbild Wolff, Busch & Partner KG Entwicklerstation für einen Laserdrucker
EP0634705A1 (en) * 1993-07-14 1995-01-18 Kabushiki Kaisha Toshiba Image forming apparatus
US5517285A (en) * 1993-07-14 1996-05-14 Kabushiki Kaisha Toshiba Developing apparatus in which the developer cartridge or the toner cartridge is mountable

Also Published As

Publication number Publication date
DE3428587C2 (https=) 1989-11-09
US4601259A (en) 1986-07-22
JPS6032074A (ja) 1985-02-19

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8125 Change of the main classification

Ipc: G03G 15/08

8127 New person/name/address of the applicant

Owner name: KENTEK INFORMATION SYSTEMS, INC., ALLENDALE, N.J.,

8128 New person/name/address of the agent

Representative=s name: HEMMERICH, F., 4000 DUESSELDORF MUELLER, G., DIPL.

D2 Grant after examination
8363 Opposition against the patent
8331 Complete revocation