JP4641383B2 - 画像形成装置 - Google Patents

画像形成装置 Download PDF

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Publication number
JP4641383B2
JP4641383B2 JP2004128329A JP2004128329A JP4641383B2 JP 4641383 B2 JP4641383 B2 JP 4641383B2 JP 2004128329 A JP2004128329 A JP 2004128329A JP 2004128329 A JP2004128329 A JP 2004128329A JP 4641383 B2 JP4641383 B2 JP 4641383B2
Authority
JP
Japan
Prior art keywords
developer
developing
image
developing sleeve
carrier
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 - Fee Related
Application number
JP2004128329A
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English (en)
Japanese (ja)
Other versions
JP2005309218A (ja
JP2005309218A5 (enExample
Inventor
正史 福田
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP2004128329A priority Critical patent/JP4641383B2/ja
Priority to US11/107,735 priority patent/US7236727B2/en
Publication of JP2005309218A publication Critical patent/JP2005309218A/ja
Publication of JP2005309218A5 publication Critical patent/JP2005309218A5/ja
Application granted granted Critical
Publication of JP4641383B2 publication Critical patent/JP4641383B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • G03G15/0813—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 means in the developing zone having an interaction with the image carrying member, e.g. distance holders
    • 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
    • G03G2215/0648—Two or more donor members

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)
  • Magnetic Brush Developing In Electrophotography (AREA)
JP2004128329A 2004-04-23 2004-04-23 画像形成装置 Expired - Fee Related JP4641383B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2004128329A JP4641383B2 (ja) 2004-04-23 2004-04-23 画像形成装置
US11/107,735 US7236727B2 (en) 2004-04-23 2005-04-18 Image forming apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004128329A JP4641383B2 (ja) 2004-04-23 2004-04-23 画像形成装置

Publications (3)

Publication Number Publication Date
JP2005309218A JP2005309218A (ja) 2005-11-04
JP2005309218A5 JP2005309218A5 (enExample) 2007-06-07
JP4641383B2 true JP4641383B2 (ja) 2011-03-02

Family

ID=35136554

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004128329A Expired - Fee Related JP4641383B2 (ja) 2004-04-23 2004-04-23 画像形成装置

Country Status (2)

Country Link
US (1) US7236727B2 (enExample)
JP (1) JP4641383B2 (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4860967B2 (ja) * 2005-09-07 2012-01-25 キヤノン株式会社 現像装置
US7725056B2 (en) * 2006-01-10 2010-05-25 Ricoh Co., Ltd. Triboelectric charging device and field assisted toner transporter
JP4988251B2 (ja) * 2006-06-02 2012-08-01 株式会社リコー 現像装置及び画像形成装置
US7356292B2 (en) * 2006-06-15 2008-04-08 Xerox Corporation Electrostatographic developer unit having multiple magnetic brush rolls with a magnetic restrictor for carrier particle emission control
JP6039317B2 (ja) 2012-08-31 2016-12-07 キヤノン株式会社 画像形成装置
JP6319960B2 (ja) * 2013-07-10 2018-05-09 キヤノン株式会社 現像装置
JP2016066057A (ja) * 2014-09-25 2016-04-28 キヤノン株式会社 現像装置
US10175608B2 (en) * 2016-03-17 2019-01-08 Kyocera Document Solutions Inc. Developing device and image forming apparatus provided with same
JP6402735B2 (ja) * 2016-03-17 2018-10-10 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、およびこれを備えた画像形成装置
JP6402736B2 (ja) * 2016-03-17 2018-10-10 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、およびこれを備えた画像形成装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58134654A (ja) * 1982-02-05 1983-08-10 Minolta Camera Co Ltd 静電潜像現像方法
JP3155864B2 (ja) * 1992-06-11 2001-04-16 キヤノン株式会社 画像形成装置
JPH09281791A (ja) * 1996-04-11 1997-10-31 Fujitsu Ltd 現像装置
JP3382541B2 (ja) 1997-07-04 2003-03-04 キヤノン株式会社 現像装置
US6067433A (en) 1997-07-04 2000-05-23 Canon Kabushiki Kaisha Developing apparatus for regulating the amount of developer in the vicinity of repulsive magnetic pole
JP4000551B2 (ja) * 2000-07-07 2007-10-31 リコープリンティングシステムズ株式会社 画像形成装置
JP2003195638A (ja) * 2001-12-27 2003-07-09 Canon Inc 現像装置及びこれを備えた画像形成装置
JP3950735B2 (ja) * 2002-04-26 2007-08-01 キヤノン株式会社 現像装置及び画像形成装置
US6993274B2 (en) * 2002-11-14 2006-01-31 Canon Kabushiki Kaisha Developing apparatus with plural developer bearing members for each image bearing member

Also Published As

Publication number Publication date
JP2005309218A (ja) 2005-11-04
US7236727B2 (en) 2007-06-26
US20050238390A1 (en) 2005-10-27

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