JP7532097B2 - 画像形成装置 - Google Patents

画像形成装置 Download PDF

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Publication number
JP7532097B2
JP7532097B2 JP2020096395A JP2020096395A JP7532097B2 JP 7532097 B2 JP7532097 B2 JP 7532097B2 JP 2020096395 A JP2020096395 A JP 2020096395A JP 2020096395 A JP2020096395 A JP 2020096395A JP 7532097 B2 JP7532097 B2 JP 7532097B2
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JP
Japan
Prior art keywords
toner
image
image carrier
brush member
bristles
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
JP2020096395A
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English (en)
Japanese (ja)
Other versions
JP2021189358A5 (OSRAM
JP2021189358A (ja
Inventor
和弘 船谷
進介 小林
健介 梅田
貴章 渡邉
彩衣 鈴木
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 JP2020096395A priority Critical patent/JP7532097B2/ja
Priority to US17/335,158 priority patent/US11397400B2/en
Publication of JP2021189358A publication Critical patent/JP2021189358A/ja
Priority to US17/845,073 priority patent/US11720046B2/en
Publication of JP2021189358A5 publication Critical patent/JP2021189358A5/ja
Priority to US18/343,901 priority patent/US12265354B2/en
Application granted granted Critical
Publication of JP7532097B2 publication Critical patent/JP7532097B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/0005Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge for removing solid developer or debris from the electrographic recording medium
    • G03G21/0064Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge for removing solid developer or debris from the electrographic recording medium using the developing unit, e.g. cleanerless or multi-cycle apparatus
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00Apparatus for electrographic processes using a charge pattern
    • G03G15/01Apparatus for electrographic processes using a charge pattern for producing multicoloured copies
    • G03G15/0105Details of unit
    • G03G15/0131Details of unit for transferring a pattern to a second base
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00Apparatus for electrographic processes using a charge pattern
    • G03G15/02Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
    • G03G15/0208Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices by contact, friction or induction, e.g. liquid charging apparatus
    • G03G15/0216Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices by contact, friction or induction, e.g. liquid charging apparatus by bringing a charging member into contact with the member to be charged, e.g. roller, brush chargers
    • G03G15/0233Structure, details of the charging member, e.g. chemical composition, surface properties
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00Apparatus for electrographic processes using a charge pattern
    • G03G15/06Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0806Apparatus 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
    • G03G15/0808Apparatus 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
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/0005Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge for removing solid developer or debris from the electrographic recording medium
    • G03G21/0035Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge for removing solid developer or debris from the electrographic recording medium using a brush; Details of cleaning brushes, e.g. fibre density
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/10Collecting or recycling waste developer
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00Apparatus for electrophotographic processes
    • G03G2215/02Arrangements for laying down a uniform charge
    • G03G2215/021Arrangements for laying down a uniform charge by contact, friction or induction
    • G03G2215/022Arrangements for laying down a uniform charge by contact, friction or induction using a magnetic brush

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Sustainable Development (AREA)
  • Cleaning In Electrography (AREA)
  • Developing Agents For Electrophotography (AREA)
JP2020096395A 2020-06-02 2020-06-02 画像形成装置 Active JP7532097B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2020096395A JP7532097B2 (ja) 2020-06-02 2020-06-02 画像形成装置
US17/335,158 US11397400B2 (en) 2020-06-02 2021-06-01 Image forming apparatus with developer collection
US17/845,073 US11720046B2 (en) 2020-06-02 2022-06-21 Image forming apparatus with developer collection
US18/343,901 US12265354B2 (en) 2020-06-02 2023-06-29 Image forming apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2020096395A JP7532097B2 (ja) 2020-06-02 2020-06-02 画像形成装置

Publications (3)

Publication Number Publication Date
JP2021189358A JP2021189358A (ja) 2021-12-13
JP2021189358A5 JP2021189358A5 (OSRAM) 2023-06-09
JP7532097B2 true JP7532097B2 (ja) 2024-08-13

Family

ID=78818361

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020096395A Active JP7532097B2 (ja) 2020-06-02 2020-06-02 画像形成装置

Country Status (2)

Country Link
US (3) US11397400B2 (OSRAM)
JP (1) JP7532097B2 (OSRAM)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7532097B2 (ja) * 2020-06-02 2024-08-13 キヤノン株式会社 画像形成装置
JP7661035B2 (ja) 2020-12-17 2025-04-14 キヤノン株式会社 画像形成装置
JP7657585B2 (ja) 2020-12-18 2025-04-07 キヤノン株式会社 画像形成装置
JP2023089853A (ja) * 2021-12-16 2023-06-28 キヤノン株式会社 画像形成装置
US11815827B2 (en) 2021-12-16 2023-11-14 Canon Kabushiki Kaisha Image forming apparatus
JP7225361B1 (ja) * 2021-12-17 2023-02-20 キヤノン株式会社 画像形成装置
EP4273630A1 (en) 2021-12-17 2023-11-08 Canon Kabushiki Kaisha Image forming apparatus
US12032322B2 (en) * 2021-12-17 2024-07-09 Canon Kabushiki Kaisha Image forming apparatus
JP2023102039A (ja) 2022-01-11 2023-07-24 キヤノン株式会社 画像形成装置
JP2023102040A (ja) * 2022-01-11 2023-07-24 キヤノン株式会社 画像形成装置
JP2023157527A (ja) * 2022-04-15 2023-10-26 キヤノン株式会社 電子写真用ローラ、プロセスカートリッジ及び電子写真画像形成装置
CN115967653B (zh) * 2022-12-07 2024-09-10 安世亚太科技股份有限公司 一种基于任务的网络实体时延评估方法
JP2024121066A (ja) * 2023-02-27 2024-09-06 キヤノン株式会社 画像形成装置
JP2024121065A (ja) 2023-02-27 2024-09-06 キヤノン株式会社 画像形成装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000122500A (ja) 1998-10-20 2000-04-28 Brother Ind Ltd 画像形成装置
JP2006350063A (ja) 2005-06-17 2006-12-28 Konica Minolta Business Technologies Inc 画像形成装置
JP2007031145A (ja) 2005-06-23 2007-02-08 Toshiba Corp 紙葉類取出装置
US20110243625A1 (en) 2010-04-01 2011-10-06 Kabushiki Kaisha Toshiba Image forming apparatus, cleaning apparatus, and cleaning method
JP2017156450A (ja) 2016-02-29 2017-09-07 キヤノン株式会社 画像形成装置
JP2019211768A (ja) 2018-05-31 2019-12-12 キヤノン株式会社 プロセスカートリッジおよび電子写真装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0822232A (ja) * 1994-07-06 1996-01-23 Sharp Corp 画像形成装置
JP3135468B2 (ja) 1994-12-16 2001-02-13 キヤノン株式会社 現像ローラの再生方法
JPH09211979A (ja) * 1995-11-29 1997-08-15 Mita Ind Co Ltd 画像形成装置
JP3587615B2 (ja) 1996-03-29 2004-11-10 東芝テック株式会社 電子写真装置
JP2000132039A (ja) 1998-10-26 2000-05-12 Canon Inc クリーニング枠体及びプロセスカートリッジ及び電子写真画像形成装置
JP2004117670A (ja) 2002-09-25 2004-04-15 Kyocera Mita Corp 正帯電型反転現像式画像形成装置
JP4272866B2 (ja) * 2002-09-27 2009-06-03 キヤノン株式会社 画像形成装置
JP2012203247A (ja) 2011-03-25 2012-10-22 Canon Inc クリーニング装置及び画像形成装置
JP6067363B2 (ja) 2012-12-18 2017-01-25 キヤノン株式会社 画像形成装置
JP6192470B2 (ja) 2013-10-01 2017-09-06 キヤノン株式会社 画像形成装置
JP6407048B2 (ja) 2015-01-29 2018-10-17 キヤノン株式会社 画像形成装置
JP6877906B2 (ja) 2016-07-22 2021-05-26 キヤノン株式会社 画像形成装置、プロセスカートリッジ
JP7532097B2 (ja) * 2020-06-02 2024-08-13 キヤノン株式会社 画像形成装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000122500A (ja) 1998-10-20 2000-04-28 Brother Ind Ltd 画像形成装置
JP2006350063A (ja) 2005-06-17 2006-12-28 Konica Minolta Business Technologies Inc 画像形成装置
JP2007031145A (ja) 2005-06-23 2007-02-08 Toshiba Corp 紙葉類取出装置
US20110243625A1 (en) 2010-04-01 2011-10-06 Kabushiki Kaisha Toshiba Image forming apparatus, cleaning apparatus, and cleaning method
JP2017156450A (ja) 2016-02-29 2017-09-07 キヤノン株式会社 画像形成装置
JP2019211768A (ja) 2018-05-31 2019-12-12 キヤノン株式会社 プロセスカートリッジおよび電子写真装置

Also Published As

Publication number Publication date
US11397400B2 (en) 2022-07-26
US11720046B2 (en) 2023-08-08
US12265354B2 (en) 2025-04-01
US20230341807A1 (en) 2023-10-26
US20220326651A1 (en) 2022-10-13
JP2021189358A (ja) 2021-12-13
US20210382430A1 (en) 2021-12-09

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