CA2021849A1 - Hybrid development system - Google Patents

Hybrid development system

Info

Publication number
CA2021849A1
CA2021849A1 CA 2021849 CA2021849A CA2021849A1 CA 2021849 A1 CA2021849 A1 CA 2021849A1 CA 2021849 CA2021849 CA 2021849 CA 2021849 A CA2021849 A CA 2021849A CA 2021849 A1 CA2021849 A1 CA 2021849A1
Authority
CA
Canada
Prior art keywords
toner
donor
developer material
chamber
latent image
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.)
Abandoned
Application number
CA 2021849
Other languages
English (en)
French (fr)
Inventor
Jeffrey J. Folkins
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.)
Xerox Corp
Original Assignee
Jeffrey J. Folkins
Xerox Corporation
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 Jeffrey J. Folkins, Xerox Corporation filed Critical Jeffrey J. Folkins
Publication of CA2021849A1 publication Critical patent/CA2021849A1/en
Abandoned 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
    • G03G15/0806—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
    • G03G15/0808—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 supplying means, e.g. structure of developer supply 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
    • G03G15/0803—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer in a powder cloud
    • 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
    • G03G2215/0614—Developer solid type one-component
    • G03G2215/0619—Developer solid type one-component non-contact (flying development)
    • 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
    • G03G2215/0614—Developer solid type one-component
    • G03G2215/0621—Developer solid type one-component powder cloud
    • 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
    • G03G2215/0634—Developing device
    • G03G2215/0636—Specific type of dry developer device
    • G03G2215/0643—Electrodes in developing area, e.g. wires, not belonging to the main donor part
CA 2021849 1989-08-21 1990-07-24 Hybrid development system Abandoned CA2021849A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US39615389A 1989-08-21 1989-08-21
US396153 1989-08-21

Publications (1)

Publication Number Publication Date
CA2021849A1 true CA2021849A1 (en) 1991-02-22

Family

ID=23566069

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2021849 Abandoned CA2021849A1 (en) 1989-08-21 1990-07-24 Hybrid development system

Country Status (3)

Country Link
EP (1) EP0414455A3 (de)
JP (1) JPH03113474A (de)
CA (1) CA2021849A1 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5031570A (en) * 1989-10-20 1991-07-16 Xerox Corporation Printing apparatus and toner/developer delivery system therefor
US5212037A (en) * 1991-08-01 1993-05-18 Xerox Corporation Toner process with metal oxides
US5206693A (en) * 1991-08-16 1993-04-27 Xerox Corporation Development unit having an asymmetrically biased electrode wires
JPH05281847A (ja) * 1992-03-31 1993-10-29 Fuji Xerox Co Ltd 現像装置
JPH05313488A (ja) * 1992-05-08 1993-11-26 Ricoh Co Ltd 現像装置
US5245392A (en) * 1992-10-02 1993-09-14 Xerox Corporation Donor roll for scavengeless development in a xerographic apparatus
US5341197A (en) * 1992-12-07 1994-08-23 Xerox Corporation Proper charging of donor roll in hybrid development
US6512909B2 (en) 2000-08-03 2003-01-28 Kyocera Corporation Image forming process and apparatus and control method thereof
US6868240B2 (en) 2002-03-15 2005-03-15 Kyocera Corporation Method for developing in hybrid developing apparatus
US6829448B2 (en) 2002-03-26 2004-12-07 Kyocera Corporation Image forming apparatus and image forming method
US7116933B2 (en) 2004-09-23 2006-10-03 Kyocera Mita Corporation Developing unit, image forming apparatus, and developing method
JP2007133376A (ja) 2005-10-13 2007-05-31 Ricoh Co Ltd 現像装置及び画像形成装置
US7783235B2 (en) 2006-10-13 2010-08-24 Ricoh Company, Ltd. Hopping toner development apparatus and image formation apparatus
JP2008286931A (ja) 2007-05-16 2008-11-27 Ricoh Co Ltd 現像装置・プロセスカートリッジ・画像形成装置
JP5051526B2 (ja) 2007-07-10 2012-10-17 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
JP5067846B2 (ja) 2007-07-18 2012-11-07 株式会社リコー 現像装置、プロセスカートリッジおよび画像形成装置
JP4903644B2 (ja) 2007-07-23 2012-03-28 株式会社リコー 現像装置及びそれを用いた画像形成装置
JP5067849B2 (ja) 2007-07-31 2012-11-07 株式会社リコー 現像装置および画像形成装置
JP5114717B2 (ja) 2007-09-10 2013-01-09 株式会社リコー 画像形成装置
JP5038833B2 (ja) * 2007-09-20 2012-10-03 京セラドキュメントソリューションズ株式会社 現像装置及びこれを搭載した画像形成装置
JP2009103784A (ja) 2007-10-22 2009-05-14 Konica Minolta Business Technologies Inc 現像装置及び画像形成装置
US8433211B2 (en) 2009-09-14 2013-04-30 Ricoh Company, Ltd. Developing device, process cartridge, and image forming apparatus
US8594540B2 (en) 2010-01-25 2013-11-26 Ricoh Company, Limited Development device, process cartridge incorporating same, and image forming apparatus incorporating same
JP5463996B2 (ja) 2010-03-23 2014-04-09 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

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3929098A (en) * 1973-11-28 1975-12-30 Xerox Corp Toner loading for touchdown donor
JPH0616204B2 (ja) * 1982-11-10 1994-03-02 株式会社東芝 現像方法
US4868600A (en) * 1988-03-21 1989-09-19 Xerox Corporation Scavengeless development apparatus for use in highlight color imaging

Also Published As

Publication number Publication date
EP0414455A3 (en) 1991-08-07
EP0414455A2 (de) 1991-02-27
JPH03113474A (ja) 1991-05-14

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Dead