JP2007264637A - 静電複写印刷マシンの現像ステーション、現像ステーションの製造方法、及び静電複写印刷マシン - Google Patents

静電複写印刷マシンの現像ステーション、現像ステーションの製造方法、及び静電複写印刷マシン Download PDF

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Publication number
JP2007264637A
JP2007264637A JP2007086038A JP2007086038A JP2007264637A JP 2007264637 A JP2007264637 A JP 2007264637A JP 2007086038 A JP2007086038 A JP 2007086038A JP 2007086038 A JP2007086038 A JP 2007086038A JP 2007264637 A JP2007264637 A JP 2007264637A
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JP
Japan
Prior art keywords
sleeve
magnetic roll
developer
fixed core
photoreceptor
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.)
Pending
Application number
JP2007086038A
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English (en)
Japanese (ja)
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JP2007264637A5 (enExample
Inventor
Ajay Kumar
クマー エジェイ
Keith Allan Nau
アラン ノウ キース
David A Reed
エー. リード デイヴィッド
Hirotsugu Oba
オバ ヒロツグ
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Xerox Corp
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Xerox Corp
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Publication date
Application filed by Xerox Corp filed Critical Xerox Corp
Publication of JP2007264637A publication Critical patent/JP2007264637A/ja
Publication of JP2007264637A5 publication Critical patent/JP2007264637A5/ja
Pending legal-status Critical Current

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    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00Apparatus for electrographic processes using a charge pattern
    • G03G15/06Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/09Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush
    • G03G15/0921Details concerning the magnetic brush roller structure, e.g. magnet configuration
    • G03G15/0928Details concerning the magnetic brush roller structure, e.g. magnet configuration relating to the shell, e.g. structure, composition
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00Apparatus for electrophotographic processes
    • G03G2215/06Developing structures, details
    • G03G2215/0634Developing device
    • G03G2215/0636Specific type of dry developer device
    • G03G2215/0648Two or more donor members
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00Apparatus for electrophotographic processes
    • G03G2215/08Details of powder developing device not concerning the development directly
    • G03G2215/0855Materials and manufacturing of the developing device
    • G03G2215/0858Donor member
    • G03G2215/0861Particular composition or materials

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Brush Developing In Electrophotography (AREA)
  • Dry Development In Electrophotography (AREA)
JP2007086038A 2006-03-29 2007-03-28 静電複写印刷マシンの現像ステーション、現像ステーションの製造方法、及び静電複写印刷マシン Pending JP2007264637A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/391,837 US7389073B2 (en) 2006-03-29 2006-03-29 Electrostatographic developer unit having multiple magnetic brush rolls having dissimilar compositions

Publications (2)

Publication Number Publication Date
JP2007264637A true JP2007264637A (ja) 2007-10-11
JP2007264637A5 JP2007264637A5 (enExample) 2011-12-08

Family

ID=38123707

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007086038A Pending JP2007264637A (ja) 2006-03-29 2007-03-28 静電複写印刷マシンの現像ステーション、現像ステーションの製造方法、及び静電複写印刷マシン

Country Status (6)

Country Link
US (1) US7389073B2 (enExample)
EP (1) EP1840672B1 (enExample)
JP (1) JP2007264637A (enExample)
CN (1) CN101046655A (enExample)
BR (1) BRPI0701294A2 (enExample)
DE (1) DE602007007532D1 (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009244596A (ja) * 2008-03-31 2009-10-22 Sharp Corp 現像装置、画像形成装置
JP2014021308A (ja) * 2012-07-19 2014-02-03 Fuji Xerox Co Ltd 現像装置及び画像形成装置
JP2014106419A (ja) * 2012-11-28 2014-06-09 Canon Inc 現像装置

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4854532B2 (ja) * 2007-01-30 2012-01-18 キヤノン株式会社 現像装置
JP2011112935A (ja) * 2009-11-27 2011-06-09 Ricoh Co Ltd 現像装置、プロセスカートリッジ、及び、画像形成装置
JP2012155251A (ja) 2011-01-28 2012-08-16 Canon Inc 現像装置及び画像形成装置
US8652740B2 (en) 2011-01-31 2014-02-18 Eastman Kodak Company Balancing discharge area developed and transferred toner
US8652741B2 (en) 2011-01-31 2014-02-18 Eastman Kodak Company Enhancement of discharged area developed toner layer
US8431313B2 (en) 2011-01-31 2013-04-30 Eastman Kodak Company Balancing charge area developed and transferred toner
US8676072B2 (en) 2011-03-31 2014-03-18 Eastman Kodak Company Ratio modulated printing with charge area development
US8693907B2 (en) 2011-03-31 2014-04-08 Eastman Kodak Company Dual toner printing with discharge area development
US8676074B2 (en) 2011-03-31 2014-03-18 Eastman Kodak Company Method for providing ratio modulated printing with discharge area development
US8693906B2 (en) 2011-03-31 2014-04-08 Eastman Kodak Company Dual toner printing with charge area development
JP5539290B2 (ja) * 2011-11-02 2014-07-02 キヤノン株式会社 画像形成装置
JP2013114081A (ja) * 2011-11-29 2013-06-10 Canon Inc 画像形成装置
JP2013186137A (ja) * 2012-03-05 2013-09-19 Fuji Xerox Co Ltd 現像装置及び画像形成装置
US8774659B2 (en) 2012-04-24 2014-07-08 Eastman Kodak Company Multi-toner discharged area development method
US8805251B2 (en) 2012-04-24 2014-08-12 Eastman Kodak Company Multi-toner charged area development method
US8811864B2 (en) 2012-04-24 2014-08-19 Eastman Kodak Company Printer with multi-toner charged area development
US8805220B2 (en) 2012-04-24 2014-08-12 Eastman Kodak Company Printer with multi-toner discharged area development

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53117248U (enExample) * 1977-02-24 1978-09-18
JPS6061776A (ja) * 1983-09-16 1985-04-09 Fujitsu Ltd 現像装置
JPH03233581A (ja) * 1990-02-09 1991-10-17 Konica Corp 現像装置
JPH08162321A (ja) * 1994-12-01 1996-06-21 Ricoh Co Ltd 画像形成装置の現像装置
JP2000172065A (ja) * 1998-12-03 2000-06-23 Canon Inc 現像装置
JP2004163906A (ja) * 2002-10-07 2004-06-10 Canon Inc 現像装置
JP2005165192A (ja) * 2003-12-05 2005-06-23 Canon Inc 現像方法及びトナー

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US4018187A (en) * 1976-06-30 1977-04-19 International Business Machines Corporation Grooved magnetic brush roll
US4098228A (en) * 1976-11-22 1978-07-04 Xerox Corporation High speed magnetic brush development system
US4308821A (en) * 1978-09-22 1982-01-05 Ricoh Company, Ltd. Electrophotographic development apparatus
US4282827A (en) * 1979-09-12 1981-08-11 Xerox Corporation Development system
DE3140478C2 (de) 1980-10-11 1985-03-14 Canon K.K., Tokio/Tokyo Entwicklungsvorrichtung
US4537495A (en) * 1983-07-01 1985-08-27 Zerox Corporation Multispeed development system
US4537494A (en) * 1984-01-26 1985-08-27 Xerox Corporation Multi-roll development system
US4811046A (en) * 1987-07-28 1989-03-07 Xerox Corporation Tri-level highlight color printing apparatus with cycle-up and cycle-down control
US5194905A (en) * 1990-11-29 1993-03-16 Xerox Corporation Color printer apparatus for printing selected portions of latent images in various colors
JPH06202480A (ja) * 1993-01-06 1994-07-22 Hitachi Metals Ltd マグネットロール
US5630201A (en) * 1995-03-10 1997-05-13 Hitachi Koki Co., Ltd. Development apparatus having a plurality of rolls rotated at particular speeds
US5930569A (en) * 1998-08-03 1999-07-27 Xerox Corporation Developer rolls system with reduced edge image defects
US6269235B1 (en) * 1998-12-02 2001-07-31 Canon Kabushiki Kaisha Developing apparatus featuring first and second developer bearing members each including a non-negative member and a coating member covering the non-negative member
US6292645B1 (en) * 2000-10-03 2001-09-18 Xerox Corporation Apparatus and method for minimizing the halo effect in an electrostatographic printing system
US6353723B1 (en) * 2000-11-28 2002-03-05 Xerox Corporation Electrophotographic development system with induction charged toner
JP2002278269A (ja) * 2000-12-20 2002-09-27 Ricoh Co Ltd 画像形成装置
JP3975319B2 (ja) * 2001-03-02 2007-09-12 富士ゼロックス株式会社 現像装置及びこれを用いた画像形成装置
JP2002351211A (ja) * 2001-05-30 2002-12-06 Canon Inc 現像装置及び画像形成装置
JP2003295599A (ja) 2002-02-04 2003-10-15 Ricoh Co Ltd 現像剤担持体、現像装置、画像形成装置及びプロセスカートリッジ
US6993274B2 (en) * 2002-11-14 2006-01-31 Canon Kabushiki Kaisha Developing apparatus with plural developer bearing members for each image bearing member
US6965746B2 (en) * 2003-06-17 2005-11-15 Xerox Corporation Hybrid electrophotographic development with toner induction charged via AC induced conductivity
JP2006251775A (ja) * 2005-02-14 2006-09-21 Ricoh Co Ltd 現像剤担持体、現像装置、画像形成装置及びプロセスカートリッジ
US7206538B2 (en) 2005-03-29 2007-04-17 Xerox Corporation Xerographic developer unit with specialized exit port for developer material
US7406279B2 (en) * 2005-10-31 2008-07-29 Xerox Corporation Xerographic developer unit having multiple magnetic brush rolls rotating with the photoreceptor
US7546069B2 (en) * 2005-10-31 2009-06-09 Xerox Corporation Xerographic developer unit having multiple magnetic brush rolls with a grooved surface

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53117248U (enExample) * 1977-02-24 1978-09-18
JPS6061776A (ja) * 1983-09-16 1985-04-09 Fujitsu Ltd 現像装置
JPH03233581A (ja) * 1990-02-09 1991-10-17 Konica Corp 現像装置
JPH08162321A (ja) * 1994-12-01 1996-06-21 Ricoh Co Ltd 画像形成装置の現像装置
JP2000172065A (ja) * 1998-12-03 2000-06-23 Canon Inc 現像装置
JP2004163906A (ja) * 2002-10-07 2004-06-10 Canon Inc 現像装置
JP2005165192A (ja) * 2003-12-05 2005-06-23 Canon Inc 現像方法及びトナー

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009244596A (ja) * 2008-03-31 2009-10-22 Sharp Corp 現像装置、画像形成装置
JP2014021308A (ja) * 2012-07-19 2014-02-03 Fuji Xerox Co Ltd 現像装置及び画像形成装置
JP2014106419A (ja) * 2012-11-28 2014-06-09 Canon Inc 現像装置

Also Published As

Publication number Publication date
CN101046655A (zh) 2007-10-03
DE602007007532D1 (de) 2010-08-19
EP1840672A1 (en) 2007-10-03
EP1840672B1 (en) 2010-07-07
US7389073B2 (en) 2008-06-17
BRPI0701294A2 (pt) 2008-11-11
US20070231018A1 (en) 2007-10-04

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