DE69314889D1 - In einem elektrophotographischen Gerät verwendeten Entwicklungs- und Reinigungsvorrichtung - Google Patents

In einem elektrophotographischen Gerät verwendeten Entwicklungs- und Reinigungsvorrichtung

Info

Publication number
DE69314889D1
DE69314889D1 DE69314889T DE69314889T DE69314889D1 DE 69314889 D1 DE69314889 D1 DE 69314889D1 DE 69314889 T DE69314889 T DE 69314889T DE 69314889 T DE69314889 T DE 69314889T DE 69314889 D1 DE69314889 D1 DE 69314889D1
Authority
DE
Germany
Prior art keywords
development
cleaning device
device used
electrophotographic apparatus
electrophotographic
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 - Lifetime
Application number
DE69314889T
Other languages
English (en)
Other versions
DE69314889T2 (de
Inventor
Masaaki Ishikawa
Michihisa Iguchi
Hiroshi Hashizume
Tetsuya Nakamura
Kouichirou Satou
Yoshiaki Okano
Hirotaka Fukuyama
Satoshi Katagata
Takashi Ishikawa
Seiji Arai
Chinobu Sakai
Takahito Kabai
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
Toshiba TEC Corp
Original Assignee
Toshiba Corp
Tokyo Electric Co 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
Priority claimed from JP4257322A external-priority patent/JPH0683251A/ja
Priority claimed from JP4257321A external-priority patent/JP2916332B2/ja
Priority claimed from JP4231675A external-priority patent/JP3015601B2/ja
Priority claimed from JP25678092A external-priority patent/JP2963823B2/ja
Application filed by Toshiba Corp, Tokyo Electric Co Ltd filed Critical Toshiba Corp
Publication of DE69314889D1 publication Critical patent/DE69314889D1/de
Application granted granted Critical
Publication of DE69314889T2 publication Critical patent/DE69314889T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/0005—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge for removing solid developer or debris from the electrographic recording medium
    • G03G21/007—Arrangement or disposition of parts of the cleaning unit
    • 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
    • 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
    • G03G15/0806—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller
    • G03G15/0815—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller characterised by the developer handling means after the developing zone and before the supply, e.g. developer recovering roller
    • 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
    • G03G15/0806—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller
    • G03G15/0817—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller characterised by the lateral sealing at both sides of the donor member with respect to the developer carrying direction
    • 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
    • G03G15/0881—Sealing of developer cartridges
    • G03G15/0882—Sealing of developer cartridges by a peelable sealing film
    • 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
    • G03G15/0887—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity
    • G03G15/0891—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity for conveying or circulating developer, e.g. augers
    • 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
    • G03G15/0896—Arrangements or disposition of the complete developer unit or parts thereof not provided for by groups G03G15/08 - G03G15/0894
    • G03G15/0898—Arrangements or disposition of the complete developer unit or parts thereof not provided for by groups G03G15/08 - G03G15/0894 for preventing toner scattering during operation, e.g. seals
    • 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
    • G03G15/14—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base
    • 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
    • G03G15/20—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
    • G03G2221/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
    • G03G2221/1648—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts using seals, e.g. to prevent scattering of toner

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)
  • Electrophotography Configuration And Component (AREA)
  • Magnetic Brush Developing In Electrophotography (AREA)
DE69314889T 1992-08-31 1993-08-31 In einem elektrophotographischen Gerät verwendeten Entwicklungs- und Reinigungsvorrichtung Expired - Lifetime DE69314889T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP4257322A JPH0683251A (ja) 1992-08-31 1992-08-31 電子写真装置
JP4257321A JP2916332B2 (ja) 1992-08-31 1992-08-31 現像装置
JP4231675A JP3015601B2 (ja) 1992-08-31 1992-08-31 電子写真装置の現像装置
JP25678092A JP2963823B2 (ja) 1992-09-25 1992-09-25 電子写真装置の現像装置

Publications (2)

Publication Number Publication Date
DE69314889D1 true DE69314889D1 (de) 1997-12-04
DE69314889T2 DE69314889T2 (de) 1998-04-02

Family

ID=27477473

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69314889T Expired - Lifetime DE69314889T2 (de) 1992-08-31 1993-08-31 In einem elektrophotographischen Gerät verwendeten Entwicklungs- und Reinigungsvorrichtung

Country Status (6)

Country Link
US (2) US5488462A (de)
EP (1) EP0585882B1 (de)
KR (1) KR0137120B1 (de)
CA (1) CA2105259C (de)
DE (1) DE69314889T2 (de)
MY (1) MY109011A (de)

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US5568236A (en) * 1992-07-10 1996-10-22 Minolta Co., Ltd. One-component developing device with system for removing surplus toner
US5852762A (en) * 1993-01-12 1998-12-22 Ricoh Company, Ltd. Toner magazine and cleaner for an electrophotographic apparatus
US5622427A (en) * 1993-09-03 1997-04-22 Simplex Time Recorder Company Emergency strobe light
GB2286062B (en) * 1994-01-19 1998-04-01 Xerox Corp Cartridge sealing strip cleaning
US5592268A (en) * 1994-07-22 1997-01-07 Brother Kogyo Kabushiki Kaisha Mechanism to prevent toner leakage from an image forming unit
JP3313901B2 (ja) * 1994-08-29 2002-08-12 富士通株式会社 電子写真装置
JPH0882998A (ja) * 1994-09-09 1996-03-26 Ricoh Co Ltd 現像装置
JP3237481B2 (ja) * 1995-08-04 2001-12-10 ミノルタ株式会社 現像剤供給容器、画像形成ユニット、現像剤供給容器のシール構造及びシール部材
JP3605203B2 (ja) * 1995-11-10 2004-12-22 コニカミノルタビジネステクノロジーズ株式会社 画像形成装置
US5749026A (en) * 1996-02-13 1998-05-05 Rti International Corporation Removable shipping seal for a toner cartridge and method of using the same
JP3252090B2 (ja) * 1996-07-10 2002-01-28 キヤノン株式会社 現像装置
US5880244A (en) * 1997-05-13 1999-03-09 Lexmark International, Inc. Sealant materials for toner cartridges
DE69816523T2 (de) * 1997-05-27 2004-06-03 Sharp K.K. Entwicklungsgerät
JP4268697B2 (ja) * 1997-08-20 2009-05-27 槌屋ティスコ株式会社 粉粒体の漏れ防止用のシール材を備えた電子写真装置及びシール材
JPH11143226A (ja) * 1997-11-11 1999-05-28 Canon Inc プロセスカートリッジ及び現像装置
JP3618984B2 (ja) * 1997-11-11 2005-02-09 キヤノン株式会社 現像装置及びプロセスカートリッジ
JP2000056561A (ja) * 1998-08-04 2000-02-25 Canon Inc 現像装置及びプロセスカートリッジ及び電子写真画像形成装置
JP2000075650A (ja) * 1998-08-31 2000-03-14 Canon Inc 現像剤シール部材、現像ユニット、プロセスカートリッジ及び画像形成装置
JP3403094B2 (ja) * 1998-10-28 2003-05-06 キヤノン株式会社 現像装置及びプロセスカートリッジ及び電子写真画像形成装置
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JP3558276B2 (ja) * 2000-01-26 2004-08-25 シャープ株式会社 現像装置
JP4474002B2 (ja) * 2000-02-04 2010-06-02 キヤノン株式会社 現像装置、プロセスカートリッジ及び画像形成装置
JP2001255741A (ja) * 2000-03-09 2001-09-21 Canon Inc 仕切り部材及びシール部品及び現像装置及びプロセスカートリッジ
JP4745511B2 (ja) * 2001-02-09 2011-08-10 キヤノン株式会社 画像形成装置及びプロセスカートリッジ
JP2002287488A (ja) * 2001-03-27 2002-10-03 Brother Ind Ltd 現像装置、画像形成装置および現像装置の組み立て方法
US6901228B2 (en) * 2001-03-27 2005-05-31 Brother Kogyo Kabushiki Kaisha Developing agent container including a sealing element for preventing developing agent from leaking out
US6487383B2 (en) 2001-04-12 2002-11-26 Lexmark International, Inc. Dynamic end-seal for toner development unit
JP3611811B2 (ja) * 2001-08-22 2005-01-19 ティー・アンド・エム株式会社 高速回転体用シール材およびその使用方法ならびに現像装置
US6553195B2 (en) 2001-09-27 2003-04-22 Kurt Matthew Korfhage Dynamic end seal for image forming apparatus
US6658223B2 (en) * 2001-11-29 2003-12-02 Kyocera Mita Corporation Toner seal for a cleaning device
US6760555B2 (en) * 2002-03-21 2004-07-06 Hewlett-Packard Development Company, L.P. System for and method of toner flow control
KR100690102B1 (ko) * 2004-03-31 2007-03-09 가부시키가이샤 리코 현상 장치, 이 현상 장치를 이용하는 프로세스 카트리지 및화상 형성 장치
JP4314529B2 (ja) * 2005-05-30 2009-08-19 ブラザー工業株式会社 現像カートリッジおよび画像形成装置
JP4736675B2 (ja) 2005-09-28 2011-07-27 ブラザー工業株式会社 現像剤収容ケースとそれを有するプロセスカートリッジと画像形成装置
US7623807B2 (en) * 2005-12-15 2009-11-24 Lexmark International, Inc. Dynamic seal for component surfaces
JP2008058417A (ja) * 2006-08-29 2008-03-13 Brother Ind Ltd 画像形成装置
US8099012B2 (en) * 2007-12-18 2012-01-17 Lexmark International, Inc. Developer roll lip seal
US8116657B2 (en) * 2007-12-18 2012-02-14 Lexmark International, Inc. Upper seal for inhibiting doctor blade toner leakage
JP4663801B2 (ja) * 2008-09-01 2011-04-06 キヤノン株式会社 プロセスカートリッジ及び画像形成装置
JP4743304B2 (ja) * 2009-03-27 2011-08-10 富士ゼロックス株式会社 Ｌｅｄプリントヘッド接地構造、及び、それを備えた画像形成装置
KR101741045B1 (ko) * 2010-09-10 2017-05-29 에스프린팅솔루션 주식회사 현상 카트리지 및 이를 채용한 화상형성장치
US8644725B2 (en) 2011-05-18 2014-02-04 Lexmark International, Inc. Multiple stiffness seal for imaging component surfaces
JP5909931B2 (ja) * 2011-08-31 2016-04-27 ブラザー工業株式会社 現像装置
JP6015104B2 (ja) * 2012-04-27 2016-10-26 ブラザー工業株式会社 現像装置
JP6015105B2 (ja) 2012-04-27 2016-10-26 ブラザー工業株式会社 現像装置
WO2013164871A1 (ja) * 2012-04-30 2013-11-07 三和テクノ株式会社 電子写真方式の画像形成装置の端部シール材
JP6066639B2 (ja) * 2012-09-13 2017-01-25 キヤノン株式会社 現像装置及びプロセスカートリッジ
JP2014115617A (ja) * 2012-11-16 2014-06-26 Ricoh Co Ltd 画像形成装置
JP6226661B2 (ja) * 2013-09-18 2017-11-08 キヤノン株式会社 プロセスカートリッジ
US9835978B2 (en) * 2015-09-22 2017-12-05 Lexmark International, Inc. Notched end seal for an electrophotographic image forming device
US10775715B2 (en) 2017-01-31 2020-09-15 Hp Indigo B.V. Roller seal for a developer unit in a liquid electrophotographic printer
US10365586B1 (en) 2018-03-13 2019-07-30 Lexmark International, Inc. End seal assembly for an undercut developer roll
JP7087559B2 (ja) * 2018-03-29 2022-06-21 京セラドキュメントソリューションズ株式会社 トナー容器
US10831131B1 (en) 2019-10-01 2020-11-10 Lexmark International, Inc. Developer unit assembly for restricting movement of a developer roll end seal in an electrophotographic image forming device
US10962905B1 (en) 2019-10-21 2021-03-30 Lexmark International, Inc. Seal for an electrophotograhic image forming device
JP2022168974A (ja) * 2021-04-27 2022-11-09 京セラドキュメントソリューションズ株式会社 現像装置、およびそれを備えた画像形成装置
JP2023032812A (ja) * 2021-08-27 2023-03-09 キヤノン株式会社 現像ユニット

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JP2948238B2 (ja) * 1989-08-29 1999-09-13 キヤノン株式会社 現像装置
JPH0485571A (ja) * 1990-07-30 1992-03-18 Sumitomo Electric Ind Ltd トナーシール材
JP3064436B2 (ja) * 1991-02-06 2000-07-12 株式会社リコー 現像装置
JP3126532B2 (ja) * 1992-02-10 2001-01-22 キヤノン株式会社 クリーニング装置及びプロセスカートリッジ及び画像形成装置
JPH05281841A (ja) * 1992-03-30 1993-10-29 Ricoh Co Ltd 現像装置
JPH0792887A (ja) * 1993-07-20 1995-04-07 Canon Inc シール部材、プロセスカートリッジ、画像形成装置及びプロセスカートリッジの組立方法

Also Published As

Publication number Publication date
US5488462A (en) 1996-01-30
CA2105259A1 (en) 1994-03-01
KR940004394A (ko) 1994-03-15
MY109011A (en) 1996-11-30
US5655178A (en) 1997-08-05
KR0137120B1 (ko) 1998-06-01
EP0585882A2 (de) 1994-03-09
CA2105259C (en) 2000-01-04
EP0585882B1 (de) 1997-10-29
DE69314889T2 (de) 1998-04-02
EP0585882A3 (en) 1994-05-18

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