DE3564349D1 - Image forming apparatus - Google Patents

Image forming apparatus

Info

Publication number
DE3564349D1
DE3564349D1 DE8585105066T DE3564349T DE3564349D1 DE 3564349 D1 DE3564349 D1 DE 3564349D1 DE 8585105066 T DE8585105066 T DE 8585105066T DE 3564349 T DE3564349 T DE 3564349T DE 3564349 D1 DE3564349 D1 DE 3564349D1
Authority
DE
Germany
Prior art keywords
image forming
forming apparatus
image
forming
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.)
Expired
Application number
DE8585105066T
Other languages
English (en)
Inventor
Ryoji Saruwatari
Yoshiharu Taniyama
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
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 Toshiba Corp filed Critical Toshiba Corp
Application granted granted Critical
Publication of DE3564349D1 publication Critical patent/DE3564349D1/de
Expired 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
    • G03G15/01—Apparatus for electrographic processes using a charge pattern for producing multicoloured copies
    • 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
    • G03G15/01—Apparatus for electrographic processes using a charge pattern for producing multicoloured copies
    • G03G15/0105—Details of unit
    • G03G15/0126—Details of unit using a solid 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
    • G03G15/09—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Color Electrophotography (AREA)
  • Dry Development In Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)
DE8585105066T 1984-04-27 1985-04-25 Image forming apparatus Expired DE3564349D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59085621A JPH065410B2 (ja) 1984-04-27 1984-04-27 画像形成装置

Publications (1)

Publication Number Publication Date
DE3564349D1 true DE3564349D1 (en) 1988-09-15

Family

ID=13863914

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585105066T Expired DE3564349D1 (en) 1984-04-27 1985-04-25 Image forming apparatus

Country Status (5)

Country Link
US (1) US4591261A (de)
EP (1) EP0160273B1 (de)
JP (1) JPH065410B2 (de)
KR (1) KR900004295B1 (de)
DE (1) DE3564349D1 (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60230168A (ja) * 1984-04-27 1985-11-15 Toshiba Corp 像形成装置
US5153646A (en) * 1984-04-27 1992-10-06 Kabushiki Kaisha Toshiba Image forming apparatus with removable developing means
JPH065412B2 (ja) * 1984-07-31 1994-01-19 株式会社東芝 現像装置
GB2173665B (en) * 1985-02-21 1989-07-19 Canon Kk Copying apparatus
US4710016B1 (en) * 1985-03-26 1997-02-25 Toshiba Kk Developing apparatus
JPS627073A (ja) * 1985-07-03 1987-01-14 Konishiroku Photo Ind Co Ltd 現像装置
US4804995A (en) * 1985-07-31 1989-02-14 Kabushiki Kaisha Toshiba Charged latent image developing apparatus
DE3681998D1 (de) * 1985-08-30 1991-11-21 Konishiroku Photo Ind Entwicklungsverfahren fuer ein latentes elektrostatisches bild.
GB2184396B (en) * 1985-11-15 1990-01-17 Canon Kk An image forming apparatus
JPH07107619B2 (ja) * 1986-06-10 1995-11-15 ミノルタ株式会社 現像装置
US4814821A (en) * 1986-07-15 1989-03-21 Ricoh Company, Ltd. Image-forming device
JPH0760278B2 (ja) * 1986-08-30 1995-06-28 キヤノン株式会社 電子写真装置
JPH0762774B2 (ja) * 1986-09-29 1995-07-05 株式会社東芝 記録装置
JPH07120109B2 (ja) * 1986-09-30 1995-12-20 株式会社東芝 記録装置
US4857958A (en) * 1987-03-25 1989-08-15 Kabushiki Kaisha Toshiba Electronic copying apparatus having function of partially changing image reproduced from original image
KR920008748B1 (ko) * 1987-04-17 1992-10-09 마쯔시다덴기산교 가부시기가이샤 다색전자사진장치
JPS6424263A (en) * 1987-07-21 1989-01-26 Minolta Camera Kk Multicolor image forming device
US4990968A (en) * 1987-07-28 1991-02-05 Minolta Camera Kabushiki Kaisha Multi-colored image forming apparatus
US4970557A (en) * 1987-09-02 1990-11-13 Sharp Kabushiki Kaisha Electrophotographic apparatus controlling image quality according to condition of deterioration
EP0326941B1 (de) * 1988-01-29 1994-12-14 Konica Corporation Bilderzeugungsgerät
US4851884A (en) * 1988-03-14 1989-07-25 Xerox Corporation Piecewise development system
US5078086A (en) * 1988-05-20 1992-01-07 Xerox Corporation Developer unit having an indexable magnet
US5038176A (en) * 1988-06-07 1991-08-06 Minolta Camera Kabushiki Kaisha Image forming apparatus having plural magnetic brush developing devices
JP2628196B2 (ja) * 1988-08-29 1997-07-09 キヤノン株式会社 画像形成装置
JP2835887B2 (ja) * 1991-05-20 1998-12-14 三田工業株式会社 トナー供給装置
JPH05216337A (ja) * 1991-07-31 1993-08-27 Ricoh Co Ltd 画像形成装置
JP2966267B2 (ja) * 1993-11-30 1999-10-25 キヤノン株式会社 多色画像形成装置
KR100358091B1 (ko) * 2001-02-21 2002-10-25 삼성전자 주식회사 전자사진 방식 인쇄기의 현상장치
US6842598B2 (en) * 2002-07-03 2005-01-11 Ricoh Company, Ltd. Image forming apparatus having a plurality of developing means around an image carrier
US7373098B2 (en) * 2003-10-20 2008-05-13 Samsung Electronics Co., Ltd. Toner cartridge and electrophotographic printer employing the same
KR100644625B1 (ko) * 2004-09-06 2006-11-10 삼성전자주식회사 현상기 구동장치의 구동방법과 이를 구비한 화상형성장치
JP2008145479A (ja) * 2006-12-06 2008-06-26 Konica Minolta Business Technologies Inc 画像形成装置
JP2008203310A (ja) * 2007-02-16 2008-09-04 Konica Minolta Business Technologies Inc カラー画像形成装置、及びそれに装着されるプロセスカートリッジ
US7853178B2 (en) * 2007-03-28 2010-12-14 Lexmark International, Inc. Methods and devices for selectively driving developer members within an image forming device
JP2011257737A (ja) * 2010-05-11 2011-12-22 Ricoh Co Ltd 画像形成装置用の駆動装置、及びこれを用いた画像形成装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3405682A (en) * 1964-06-08 1968-10-15 Xerox Corp Xerographic development apparatus with web loading means to remove residual developer
US3690756A (en) * 1971-03-22 1972-09-12 Xerox Corp Color xerography
US4146325A (en) * 1974-03-04 1979-03-27 Siemens Aktiengesellschaft Method and apparatus for visualization of electrostatic images
US3970042A (en) * 1975-01-17 1976-07-20 Xerox Corporation Color development apparatus
JPS53115238A (en) * 1977-03-17 1978-10-07 Ricoh Co Ltd Two-color electrophotographic copying method
US4111151A (en) * 1977-05-19 1978-09-05 Xerox Corporation Multi-particle developability regulating system
JPS5423543A (en) * 1977-07-22 1979-02-22 Canon Inc Image former
JPS6028351B2 (ja) * 1977-10-13 1985-07-04 株式会社リコー ２色電子写真複写装置
JPS6032191B2 (ja) * 1978-05-24 1985-07-26 株式会社リコー 二色現像方法
US4308821A (en) * 1978-09-22 1982-01-05 Ricoh Company, Ltd. Electrophotographic development apparatus
JPS5875373A (ja) * 1981-10-30 1983-05-07 Fuji Xerox Co Ltd カラ−複写機

Also Published As

Publication number Publication date
JPH065410B2 (ja) 1994-01-19
EP0160273B1 (de) 1988-08-10
KR900004295B1 (ko) 1990-06-20
JPS60229051A (ja) 1985-11-14
EP0160273A1 (de) 1985-11-06
US4591261A (en) 1986-05-27
KR850007890A (ko) 1985-12-09

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee