JP4510493B2 - 画像形成装置 - Google Patents

画像形成装置 Download PDF

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Publication number
JP4510493B2
JP4510493B2 JP2004095870A JP2004095870A JP4510493B2 JP 4510493 B2 JP4510493 B2 JP 4510493B2 JP 2004095870 A JP2004095870 A JP 2004095870A JP 2004095870 A JP2004095870 A JP 2004095870A JP 4510493 B2 JP4510493 B2 JP 4510493B2
Authority
JP
Japan
Prior art keywords
toner
developer
image
developing
carrying member
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
JP2004095870A
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English (en)
Japanese (ja)
Other versions
JP2005283845A (ja
JP2005283845A5 (enExample
Inventor
萩原一成
奥田幸一
清水康史
小川研也
長田光
森谷修司
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 JP2004095870A priority Critical patent/JP4510493B2/ja
Priority to US11/091,823 priority patent/US7251441B2/en
Priority to CNB2005100593741A priority patent/CN100449415C/zh
Publication of JP2005283845A publication Critical patent/JP2005283845A/ja
Publication of JP2005283845A5 publication Critical patent/JP2005283845A5/ja
Application granted granted Critical
Publication of JP4510493B2 publication Critical patent/JP4510493B2/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
    • G03G15/09—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush
    • G03G15/0921—Details concerning the magnetic brush roller structure, e.g. magnet configuration
    • 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
    • G03G2221/0005—Cleaning of residual toner

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)
  • Magnetic Brush Developing In Electrophotography (AREA)
  • Developing For Electrophotography (AREA)
  • Cleaning In Electrography (AREA)
JP2004095870A 2004-03-29 2004-03-29 画像形成装置 Expired - Fee Related JP4510493B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2004095870A JP4510493B2 (ja) 2004-03-29 2004-03-29 画像形成装置
US11/091,823 US7251441B2 (en) 2004-03-29 2005-03-29 Developing apparatus including magnetic field generating means, for use with a developer which includes a magnetic toner component
CNB2005100593741A CN100449415C (zh) 2004-03-29 2005-03-29 显影设备

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004095870A JP4510493B2 (ja) 2004-03-29 2004-03-29 画像形成装置

Publications (3)

Publication Number Publication Date
JP2005283845A JP2005283845A (ja) 2005-10-13
JP2005283845A5 JP2005283845A5 (enExample) 2007-05-24
JP4510493B2 true JP4510493B2 (ja) 2010-07-21

Family

ID=34989993

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004095870A Expired - Fee Related JP4510493B2 (ja) 2004-03-29 2004-03-29 画像形成装置

Country Status (3)

Country Link
US (1) US7251441B2 (enExample)
JP (1) JP4510493B2 (enExample)
CN (1) CN100449415C (enExample)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2908179A1 (en) 2014-02-18 2015-08-19 Canon Kabushiki Kaisha Developing apparatus, cartridge, and image forming apparatus
JP2015172739A (ja) * 2014-02-18 2015-10-01 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
EP2955583A1 (en) 2014-06-13 2015-12-16 Canon Kabushiki Kaisha Image forming apparatus
EP3144737A1 (en) 2015-09-15 2017-03-22 Canon Kabushiki Kaisha Image forming apparatus
US9971298B2 (en) 2016-07-22 2018-05-15 Canon Kabushiki Kaisha Image forming apparatus, process cartridge, developing cartridge, and drum cartridge

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4649217B2 (ja) * 2005-01-28 2011-03-09 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
JP4785408B2 (ja) * 2005-04-18 2011-10-05 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
JP4785407B2 (ja) * 2005-04-18 2011-10-05 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
JP2008310024A (ja) * 2007-06-14 2008-12-25 Canon Inc 現像剤規制装置
US20090129795A1 (en) * 2007-11-15 2009-05-21 Kabushiki Kaisha Toshiba Color image forming method and color image forming apparatus
US7925187B2 (en) * 2007-11-29 2011-04-12 Ricoh Company Limited Development device, image forming apparatus and development method
CN102073250A (zh) * 2011-02-18 2011-05-25 珠海市奔码打印耗材有限公司 激光打印机的显影装置
JP6265695B2 (ja) 2013-11-13 2018-01-24 キヤノン株式会社 画像形成装置
US9442418B2 (en) 2014-10-20 2016-09-13 Canon Kabushiki Kaisha Developing device, process cartridge and image forming apparatus
JP6685676B2 (ja) 2015-09-07 2020-04-22 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
JP6953205B2 (ja) * 2016-07-29 2021-10-27 キヤノン株式会社 現像装置、プロセスカートリッジおよび電子写真画像形成装置
JP7000106B2 (ja) 2017-10-13 2022-01-19 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

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5443027A (en) 1977-09-10 1979-04-05 Canon Inc Method and apparatus for developing of electrostatic image
JPS54149632A (en) * 1978-05-16 1979-11-24 Ricoh Co Ltd Development for zerography
US5194359A (en) 1978-07-28 1993-03-16 Canon Kabushiki Kaisha Developing method for one component developer
CA1142804A (en) 1978-07-28 1983-03-15 Junichiro Kanbe Developing method for developer transfer under electrical bias and apparatus therefor
CA1138723A (en) 1978-07-28 1983-01-04 Tsutomu Toyono Developing method for developer transfer under electrical bias and apparatus therefor
JPS5832375B2 (ja) 1978-07-28 1983-07-12 キヤノン株式会社 現像方法
JPS5897071A (ja) 1981-12-07 1983-06-09 Ricoh Co Ltd 現像装置
JP2598131B2 (ja) 1989-05-31 1997-04-09 株式会社東芝 画像形成装置
JPH0415949A (ja) 1990-05-09 1992-01-21 Mitsubishi Electric Corp 半導体装置
EP0586033B1 (en) * 1992-06-30 1998-03-25 Canon Kabushiki Kaisha Photosensitive drum, process cartridge and image forming apparatus
JP3441774B2 (ja) * 1993-09-02 2003-09-02 キヤノン株式会社 現像装置及びプロセスカートリッジ
JPH07140770A (ja) * 1993-11-19 1995-06-02 Canon Inc 現像装置及びプロセスカートリッジ
JPH07168426A (ja) * 1993-12-16 1995-07-04 Canon Inc 現像装置及び画像形成装置並びにプロセスカートリッジ
JP3225759B2 (ja) 1994-11-11 2001-11-05 ミノルタ株式会社 現像装置
JP3486538B2 (ja) * 1997-10-03 2004-01-13 キヤノン株式会社 現像方法、現像装置及び画像形成方法
JP2001092201A (ja) 1999-09-24 2001-04-06 Canon Inc 画像形成装置及び方法並びに記憶媒体
JP3697150B2 (ja) * 1999-10-26 2005-09-21 キヤノン株式会社 現像装置、プロセスカートリッジ、及び電子写真画像形成装置
CA2337087C (en) * 2000-03-08 2006-06-06 Canon Kabushiki Kaisha Magnetic toner, process for production thereof, and image forming method, apparatus and process cartridge using the toner
US6704534B2 (en) * 2000-08-29 2004-03-09 Canon Kabushiki Kaisha Developing device having minimum magnetic field strength adjacent regulating member
JP2003050497A (ja) * 2001-08-08 2003-02-21 Canon Inc 画像形成装置及びプロセスカートリッジ
JP2003307909A (ja) * 2002-04-17 2003-10-31 Canon Inc 帯電部材、該帯電部材を用いる帯電装置、及び画像記録装置
JP3728267B2 (ja) * 2002-04-23 2005-12-21 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
JP2004021127A (ja) * 2002-06-19 2004-01-22 Canon Inc 磁性トナー、該トナーを用いた画像形成方法及びプロセスカートリッジ

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2908179A1 (en) 2014-02-18 2015-08-19 Canon Kabushiki Kaisha Developing apparatus, cartridge, and image forming apparatus
JP2015172739A (ja) * 2014-02-18 2015-10-01 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
EP2955583A1 (en) 2014-06-13 2015-12-16 Canon Kabushiki Kaisha Image forming apparatus
US9547273B2 (en) 2014-06-13 2017-01-17 Canon Kabushiki Kaisha Image forming apparatus having simultaneous development and cleaning
EP3144737A1 (en) 2015-09-15 2017-03-22 Canon Kabushiki Kaisha Image forming apparatus
US9971298B2 (en) 2016-07-22 2018-05-15 Canon Kabushiki Kaisha Image forming apparatus, process cartridge, developing cartridge, and drum cartridge
US10209668B2 (en) 2016-07-22 2019-02-19 Canon Kabushiki Kaisha Image forming apparatus, process cartridge, developing cartridge, and drum cartridge

Also Published As

Publication number Publication date
JP2005283845A (ja) 2005-10-13
US20050214031A1 (en) 2005-09-29
CN1677264A (zh) 2005-10-05
CN100449415C (zh) 2009-01-07
US7251441B2 (en) 2007-07-31

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