DE602006012780D1 - Entwicklereinheit für einen Zweikomponentenentwickler - Google Patents

Entwicklereinheit für einen Zweikomponentenentwickler

Info

Publication number
DE602006012780D1
DE602006012780D1 DE602006012780T DE602006012780T DE602006012780D1 DE 602006012780 D1 DE602006012780 D1 DE 602006012780D1 DE 602006012780 T DE602006012780 T DE 602006012780T DE 602006012780 T DE602006012780 T DE 602006012780T DE 602006012780 D1 DE602006012780 D1 DE 602006012780D1
Authority
DE
Germany
Prior art keywords
developer
unit
component
component developer
developer unit
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.)
Active
Application number
DE602006012780T
Other languages
English (en)
Inventor
Kenichi Taguma
Chiemi Kaneko
Hirokatsu Suzuki
Emiko Shiraishi
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of DE602006012780D1 publication Critical patent/DE602006012780D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/0819—Developers with toner particles characterised by the dimensions of the particles
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/0827—Developers with toner particles characterised by their shape, e.g. degree of sphericity
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/097—Plasticisers; Charge controlling agents
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/10—Developers with toner particles characterised by carrier particles
    • 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
    • G03G2215/01—Apparatus for electrophotographic processes for producing multicoloured copies
    • G03G2215/0103—Plural electrographic recording members
    • G03G2215/0119—Linear arrangement adjacent plural transfer points
    • G03G2215/0122—Linear arrangement adjacent plural transfer points primary transfer to an intermediate transfer belt
    • G03G2215/0125—Linear arrangement adjacent plural transfer points primary transfer to an intermediate transfer belt the linear arrangement being horizontal or slanted
    • G03G2215/0129—Linear arrangement adjacent plural transfer points primary transfer to an intermediate transfer belt the linear arrangement being horizontal or slanted horizontal medium transport path at the secondary transfer
    • 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
    • G03G2215/06—Developing structures, details
    • G03G2215/0602—Developer
    • G03G2215/0604—Developer solid type
    • G03G2215/0607—Developer solid type two-component
    • 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
    • G03G2215/0802—Arrangements for agitating or circulating developer material
    • G03G2215/0816—Agitator type
    • G03G2215/0819—Agitator type two or more agitators
    • G03G2215/0822—Agitator type two or more agitators with wall or blade between agitators
    • 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
    • G03G2215/0802—Arrangements for agitating or circulating developer material
    • G03G2215/0836—Way of functioning of agitator means
    • G03G2215/0838—Circulation of developer in a closed loop within the sump of the developing device

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)
  • Counters In Electrophotography And Two-Sided Copying (AREA)
  • Color Electrophotography (AREA)
DE602006012780T 2005-11-25 2006-11-17 Entwicklereinheit für einen Zweikomponentenentwickler Active DE602006012780D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005339755 2005-11-25
JP2006266514A JP2007171923A (ja) 2005-11-25 2006-09-29 現像装置、及び画像形成装置

Publications (1)

Publication Number Publication Date
DE602006012780D1 true DE602006012780D1 (de) 2010-04-22

Family

ID=37560961

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602006012780T Active DE602006012780D1 (de) 2005-11-25 2006-11-17 Entwicklereinheit für einen Zweikomponentenentwickler

Country Status (4)

Country Link
US (1) US7796920B2 (de)
EP (1) EP1791035B1 (de)
JP (1) JP2007171923A (de)
DE (1) DE602006012780D1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007183572A (ja) * 2005-12-05 2007-07-19 Ricoh Co Ltd 現像装置、及び画像形成装置
JP2008033089A (ja) * 2006-07-31 2008-02-14 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
JP2008046240A (ja) * 2006-08-11 2008-02-28 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
JP4852402B2 (ja) * 2006-11-28 2012-01-11 株式会社リコー 絶縁性トナーの光バイアス制御方法及び画像形成装置
US7925188B2 (en) 2007-03-15 2011-04-12 Ricoh Company Limited Development device, process cartridge, and image forming apparatus using the development device
JP5240557B2 (ja) * 2007-08-07 2013-07-17 株式会社リコー 現像装置、画像形成装置およびプロセスカートリッジ
JP2009063710A (ja) * 2007-09-05 2009-03-26 Ricoh Co Ltd 現像装置及び画像形成装置
JP5429594B2 (ja) * 2007-09-13 2014-02-26 株式会社リコー 画像形成方法、画像形成装置並びにプロセスカートリッジ及びそのための電子写真現像剤並びに現像剤用キャリア
JP4940092B2 (ja) * 2007-10-17 2012-05-30 株式会社リコー 現像剤、現像装置、画像形成装置、プロセスカートリッジ、及び画像形成方法
JP5151391B2 (ja) * 2007-10-22 2013-02-27 株式会社リコー 現像装置、及び画像形成装置
KR20090075902A (ko) * 2008-01-07 2009-07-13 삼성전자주식회사 현상장치 및 이를 구비하는 화상형성장치
US8265527B2 (en) 2008-02-28 2012-09-11 Ricoh Company, Limited Developing unit, image forming apparatus incorporating same, and method of controlling amounts of toner
JP2009244454A (ja) * 2008-03-31 2009-10-22 Seiko Epson Corp 現像カートリッジ、現像装置及び画像形成装置
US7881641B2 (en) * 2008-03-31 2011-02-01 Seiko Epson Corporation Developing cartridge, developing device, and image forming apparatus
JP5500422B2 (ja) * 2009-12-22 2014-05-21 株式会社リコー 現像装置、並びに、これを備えたプロセスカートリッジ及び画像形成装置
EP2752716B1 (de) * 2010-06-11 2018-12-19 Ricoh Company, Ltd. Informationsspeichervorrichtung, entnehmbare vorrichtung, entwicklerbehälter und bilderzeugungsvorrichtung
US20120207488A1 (en) * 2011-02-11 2012-08-16 Eric Carl Stelter Distributed replenishment for electrophotographic developer
JP5804360B2 (ja) 2011-07-04 2015-11-04 株式会社リコー 画像形成装置

Family Cites Families (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63144371A (ja) * 1986-12-08 1988-06-16 Ricoh Co Ltd 現像装置
JP3127594B2 (ja) 1992-08-03 2001-01-29 富士ゼロックス株式会社 現像装置
JPH1063074A (ja) * 1996-08-14 1998-03-06 Fuji Xerox Co Ltd 現像装置
JPH117182A (ja) * 1997-01-17 1999-01-12 Ricoh Co Ltd 画像形成装置
US5950056A (en) * 1997-06-17 1999-09-07 Minolta Co., Ltd. Developing device provided with three developer transport members
JPH11153900A (ja) * 1997-09-18 1999-06-08 Ricoh Co Ltd 画像形成装置
JPH11167260A (ja) 1997-12-03 1999-06-22 Toshiba Corp 現像装置
KR100324101B1 (ko) * 1998-02-14 2002-02-20 이토가 미찌야 화상형성장치
US6366751B1 (en) * 1999-09-17 2002-04-02 Ricoh Company, Ltd. Image forming apparatus including preselected range between charge injection layer and voltage potential
JP3973810B2 (ja) * 1999-10-29 2007-09-12 株式会社リコー 転写装置・画像形成装置
JP2001183893A (ja) * 1999-12-22 2001-07-06 Konica Corp カラー画像形成装置
JP2001249545A (ja) * 2000-03-06 2001-09-14 Konica Corp 画像形成装置
JP2001290368A (ja) * 2000-04-04 2001-10-19 Konica Corp 現像装置及び画像形成装置
US6757509B2 (en) * 2000-05-02 2004-06-29 Ricoh Company, Ltd. Image forming apparatus
EP1296202A3 (de) * 2001-09-21 2003-06-18 Ricoh Company, Ltd. Verfahren und Gerät zur Herstellung von zweiseitigen Drucken und hiermit arbeitendes Bilderzeugungssystem
JP2003263026A (ja) 2002-03-07 2003-09-19 Konica Corp 現像装置及び画像形成装置
JP2003263025A (ja) 2002-03-07 2003-09-19 Konica Corp 現像装置及び画像形成装置
JP3954431B2 (ja) * 2002-04-26 2007-08-08 株式会社リコー 画像形成装置
EP1391792B1 (de) 2002-08-23 2008-08-13 Ricoh Company, Ltd. Bilderzeugungsgerät mit thermischen Bildübertragung auf beiden Seiten eines Aufzeichnungsmediums
US7197269B2 (en) * 2002-10-11 2007-03-27 Ricoh Company, Ltd. Method, system and apparatus for transferring toner images to both sides of a recording medium
JP4227390B2 (ja) * 2002-10-15 2009-02-18 キヤノン株式会社 画像形成装置
US7039349B2 (en) * 2002-10-31 2006-05-02 Ricoh Company, Ltd. Image forming apparatus transferring toner images to both surfaces of a recording medium
JP2004280051A (ja) * 2003-02-28 2004-10-07 Ricoh Co Ltd 現像方法、現像装置及び画像形成装置
DE10324077B4 (de) * 2003-05-27 2008-04-03 OCé PRINTING SYSTEMS GMBH Einrichtung und Verfahren zum Entwickeln eines Ladungsbildes
US7054587B2 (en) * 2003-06-23 2006-05-30 Ricoh Company, Ltd. Image forming apparatus for recording on two sides in a single pass
US7224932B2 (en) * 2003-06-25 2007-05-29 Ricoh Company, Ltd. Image forming apparatus including a conveyance unit for passing a recording medium
JP2005043629A (ja) * 2003-07-28 2005-02-17 Ricoh Co Ltd クリーニング装置および画像形成装置
JP2005055531A (ja) * 2003-08-06 2005-03-03 Canon Inc 現像装置
JP2005189799A (ja) * 2003-12-05 2005-07-14 Ricoh Co Ltd 画像形成装置、画像形成方法及びプロセスカートリッジ
JP2005189607A (ja) * 2003-12-26 2005-07-14 Ricoh Co Ltd 画像形成装置
JP2005208574A (ja) * 2003-12-26 2005-08-04 Ricoh Co Ltd 画像形成方法および画像形成装置
JP2005195938A (ja) * 2004-01-08 2005-07-21 Ricoh Co Ltd 画像形成装置およびプロセスカートリッジ
JP2005300626A (ja) * 2004-04-07 2005-10-27 Ricoh Co Ltd クリーニング装置、画像形成装置
JP2005326524A (ja) * 2004-05-13 2005-11-24 Ricoh Co Ltd 定着装置および画像形成装置
JP2005352357A (ja) * 2004-06-14 2005-12-22 Ricoh Co Ltd 両面転写装置及び画像形成装置
JP2006047886A (ja) * 2004-08-06 2006-02-16 Canon Inc 現像装置、カートリッジ及び画像形成装置
JP2006251440A (ja) 2005-03-11 2006-09-21 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

Also Published As

Publication number Publication date
US20070122202A1 (en) 2007-05-31
JP2007171923A (ja) 2007-07-05
US7796920B2 (en) 2010-09-14
EP1791035B1 (de) 2010-03-10
EP1791035A1 (de) 2007-05-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition