JP7604260B2 - 画像形成装置 - Google Patents

画像形成装置 Download PDF

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Publication number
JP7604260B2
JP7604260B2 JP2021020827A JP2021020827A JP7604260B2 JP 7604260 B2 JP7604260 B2 JP 7604260B2 JP 2021020827 A JP2021020827 A JP 2021020827A JP 2021020827 A JP2021020827 A JP 2021020827A JP 7604260 B2 JP7604260 B2 JP 7604260B2
Authority
JP
Japan
Prior art keywords
roller
toner
developing roller
image forming
developing
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
JP2021020827A
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English (en)
Japanese (ja)
Other versions
JP2022123486A5 (enExample
JP2022123486A (ja
Inventor
智幸 坂巻
秀樹 藤田
修 有泉
昌志 脇坂
智博 田中
将士 阿部
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 JP2021020827A priority Critical patent/JP7604260B2/ja
Priority to US17/589,640 priority patent/US11556077B2/en
Priority to CN202210121941.5A priority patent/CN114924471A/zh
Publication of JP2022123486A publication Critical patent/JP2022123486A/ja
Publication of JP2022123486A5 publication Critical patent/JP2022123486A5/ja
Application granted granted Critical
Publication of JP7604260B2 publication Critical patent/JP7604260B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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
    • G03G15/0887—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity
    • 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
    • G03G15/065—Arrangements for controlling the potential of the developing electrode
    • 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
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0887—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity
    • G03G15/0891—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity for conveying or circulating developer, e.g. augers
    • 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
    • G03G15/0887—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity
    • G03G15/0891—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity for conveying or circulating developer, e.g. augers
    • G03G15/0893—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity for conveying or circulating developer, e.g. augers in a closed loop within the sump of the developing device
    • 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
    • G03G15/0896—Arrangements or disposition of the complete developer unit or parts thereof not provided for by groups G03G15/08 - G03G15/0894

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)
  • Magnetic Brush Developing In Electrophotography (AREA)
  • Developing For Electrophotography (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
JP2021020827A 2021-02-12 2021-02-12 画像形成装置 Active JP7604260B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2021020827A JP7604260B2 (ja) 2021-02-12 2021-02-12 画像形成装置
US17/589,640 US11556077B2 (en) 2021-02-12 2022-01-31 Image formation apparatus
CN202210121941.5A CN114924471A (zh) 2021-02-12 2022-02-09 图像形成装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2021020827A JP7604260B2 (ja) 2021-02-12 2021-02-12 画像形成装置

Publications (3)

Publication Number Publication Date
JP2022123486A JP2022123486A (ja) 2022-08-24
JP2022123486A5 JP2022123486A5 (enExample) 2024-02-02
JP7604260B2 true JP7604260B2 (ja) 2024-12-23

Family

ID=82800322

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021020827A Active JP7604260B2 (ja) 2021-02-12 2021-02-12 画像形成装置

Country Status (3)

Country Link
US (1) US11556077B2 (enExample)
JP (1) JP7604260B2 (enExample)
CN (1) CN114924471A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2024152198A (ja) * 2023-04-14 2024-10-25 キヤノン株式会社 現像装置
JP2025025328A (ja) * 2023-08-09 2025-02-21 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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008209788A (ja) 2007-02-27 2008-09-11 Kyocera Mita Corp 画像形成装置および画像形成方法
JP2010048839A (ja) 2008-08-19 2010-03-04 Kyocera Mita Corp 現像装置及びこれを備えた画像形成装置
JP2015075729A (ja) 2013-10-11 2015-04-20 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 (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0629928B1 (en) * 1993-05-31 2007-08-01 Ricoh Company, Ltd Roller charging apparatus and image forming apparatus using the same
US5832350A (en) * 1996-01-09 1998-11-03 Hitachi, Ltd. Developing apparatus and color electrophotographic apparatus using the same
JP3663998B2 (ja) * 1999-09-30 2005-06-22 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
US6973281B2 (en) * 2002-04-26 2005-12-06 Canon Kabushiki Kaisha Developing apparatus with two developing chamber-rotatable member pairs
JP3744485B2 (ja) * 2002-11-05 2006-02-08 ブラザー工業株式会社 画像形成装置
JP2005099686A (ja) * 2003-07-22 2005-04-14 Kyocera Mita Corp 現像装置
KR100602263B1 (ko) * 2004-01-20 2006-07-19 삼성전자주식회사 토너의 대전량을 제어하는 화상형성장치
JP4714896B2 (ja) * 2005-09-22 2011-06-29 コニカミノルタビジネステクノロジーズ株式会社 現像装置及び画像形成装置
KR100708185B1 (ko) * 2005-09-26 2007-04-17 삼성전자주식회사 하이브리드방식 현상장치 및 현상방법
JP5462997B2 (ja) * 2007-06-29 2014-04-02 京セラドキュメントソリューションズ株式会社 現像装置及びそれを備えた画像形成装置
JP2009025393A (ja) * 2007-07-17 2009-02-05 Kyocera Mita Corp 現像装置、及び画像形成装置
JP4469888B2 (ja) * 2007-12-28 2010-06-02 シャープ株式会社 画像形成装置
JP2010230941A (ja) * 2009-03-26 2010-10-14 Sharp Corp 画像形成装置
JP2011138074A (ja) * 2009-12-29 2011-07-14 Sharp Corp 現像装置および画像形成装置
JP2011141354A (ja) 2010-01-06 2011-07-21 Konica Minolta Business Technologies Inc 現像装置及び画像形成装置
US8594540B2 (en) * 2010-01-25 2013-11-26 Ricoh Company, Limited Development device, process cartridge incorporating same, and image forming apparatus incorporating same
JP2012058601A (ja) * 2010-09-10 2012-03-22 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
JP5787920B2 (ja) * 2013-02-25 2015-09-30 株式会社沖データ 現像装置および画像形成装置
JP5812538B2 (ja) * 2013-04-26 2015-11-17 京セラドキュメントソリューションズ株式会社 現像装置及び画像形成装置
JP2017015942A (ja) * 2015-07-01 2017-01-19 株式会社リコー 現像装置及び画像形成装置
JP6365448B2 (ja) 2015-07-14 2018-08-01 京セラドキュメントソリューションズ株式会社 現像装置および画像形成装置
US10642203B2 (en) * 2017-04-10 2020-05-05 Canon Kabushiki Kaisha Image forming apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008209788A (ja) 2007-02-27 2008-09-11 Kyocera Mita Corp 画像形成装置および画像形成方法
JP2010048839A (ja) 2008-08-19 2010-03-04 Kyocera Mita Corp 現像装置及びこれを備えた画像形成装置
JP2015075729A (ja) 2013-10-11 2015-04-20 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

Also Published As

Publication number Publication date
US11556077B2 (en) 2023-01-17
JP2022123486A (ja) 2022-08-24
US20220260947A1 (en) 2022-08-18
CN114924471A (zh) 2022-08-19

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