JP7690317B2 - 画像形成装置 - Google Patents

画像形成装置 Download PDF

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Publication number
JP7690317B2
JP7690317B2 JP2021075139A JP2021075139A JP7690317B2 JP 7690317 B2 JP7690317 B2 JP 7690317B2 JP 2021075139 A JP2021075139 A JP 2021075139A JP 2021075139 A JP2021075139 A JP 2021075139A JP 7690317 B2 JP7690317 B2 JP 7690317B2
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JP
Japan
Prior art keywords
image forming
image
rotation operation
developer
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.)
Active
Application number
JP2021075139A
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English (en)
Japanese (ja)
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JP2022169235A (ja
JP2022169235A5 (https=
Inventor
雄介 清水
智雄 秋月
直樹 福島
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 JP2021075139A priority Critical patent/JP7690317B2/ja
Priority to US17/722,973 priority patent/US11640123B2/en
Publication of JP2022169235A publication Critical patent/JP2022169235A/ja
Priority to US18/193,529 priority patent/US12050413B2/en
Publication of JP2022169235A5 publication Critical patent/JP2022169235A5/ja
Application granted granted Critical
Publication of JP7690317B2 publication Critical patent/JP7690317B2/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
    • G03G15/065—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
    • 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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Developing For Electrophotography (AREA)
JP2021075139A 2021-04-27 2021-04-27 画像形成装置 Active JP7690317B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2021075139A JP7690317B2 (ja) 2021-04-27 2021-04-27 画像形成装置
US17/722,973 US11640123B2 (en) 2021-04-27 2022-04-18 Image forming apparatus
US18/193,529 US12050413B2 (en) 2021-04-27 2023-03-30 Image forming apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2021075139A JP7690317B2 (ja) 2021-04-27 2021-04-27 画像形成装置

Publications (3)

Publication Number Publication Date
JP2022169235A JP2022169235A (ja) 2022-11-09
JP2022169235A5 JP2022169235A5 (https=) 2024-04-26
JP7690317B2 true JP7690317B2 (ja) 2025-06-10

Family

ID=83694152

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021075139A Active JP7690317B2 (ja) 2021-04-27 2021-04-27 画像形成装置

Country Status (2)

Country Link
US (2) US11640123B2 (https=)
JP (1) JP7690317B2 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2024074196A (ja) 2022-11-18 2024-05-30 キヤノン株式会社 画像形成装置
JP2024118995A (ja) * 2023-02-21 2024-09-02 キヤノン株式会社 画像形成装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000029281A (ja) 1998-07-13 2000-01-28 Canon Inc 画像形成装置
US20050271405A1 (en) 2004-06-04 2005-12-08 Canon Kabushiki Kaisha Image forming apparatus with switched-potential responsive to attenuation of a remaining voltage
JP2015175999A (ja) 2014-03-14 2015-10-05 キヤノン株式会社 画像形成装置
JP2015175993A (ja) 2014-03-14 2015-10-05 キヤノン株式会社 画像形成装置
JP2017173462A (ja) 2016-03-22 2017-09-28 キヤノン株式会社 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
JPH01267665A (ja) * 1988-04-20 1989-10-25 Sharp Corp 電子写真装置
JPH1152640A (ja) * 1997-06-02 1999-02-26 Canon Inc 画像形成装置
US6064847A (en) * 1999-06-21 2000-05-16 Sharp Kabushiki Kaisha Developing device
JP2006047745A (ja) 2004-08-05 2006-02-16 Matsushita Electric Ind Co Ltd 電子写真プロセス制御装置及びこれを備えた画像形成装置
JP2007057620A (ja) 2005-08-22 2007-03-08 Ricoh Co Ltd 現像装置及びプロセスカートリッジ及び画像形成装置
JP2009128398A (ja) 2007-11-20 2009-06-11 Casio Electronics Co Ltd 電子写真記録装置
JP6289151B2 (ja) * 2013-03-15 2018-03-07 キヤノン株式会社 画像形成装置
US9915909B2 (en) * 2015-09-15 2018-03-13 Canon Kabushiki Kaisha Image forming apparatus
US10642203B2 (en) * 2017-04-10 2020-05-05 Canon Kabushiki Kaisha Image forming apparatus

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000029281A (ja) 1998-07-13 2000-01-28 Canon Inc 画像形成装置
US20050271405A1 (en) 2004-06-04 2005-12-08 Canon Kabushiki Kaisha Image forming apparatus with switched-potential responsive to attenuation of a remaining voltage
JP2005345922A (ja) 2004-06-04 2005-12-15 Canon Inc 画像形成装置
JP2015175999A (ja) 2014-03-14 2015-10-05 キヤノン株式会社 画像形成装置
JP2015175993A (ja) 2014-03-14 2015-10-05 キヤノン株式会社 画像形成装置
JP2017173462A (ja) 2016-03-22 2017-09-28 キヤノン株式会社 画像形成装置

Also Published As

Publication number Publication date
US11640123B2 (en) 2023-05-02
US12050413B2 (en) 2024-07-30
JP2022169235A (ja) 2022-11-09
US20230236524A1 (en) 2023-07-27
US20220342339A1 (en) 2022-10-27

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