JP7500294B2 - 画像形成装置 - Google Patents

画像形成装置 Download PDF

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Publication number
JP7500294B2
JP7500294B2 JP2020102715A JP2020102715A JP7500294B2 JP 7500294 B2 JP7500294 B2 JP 7500294B2 JP 2020102715 A JP2020102715 A JP 2020102715A JP 2020102715 A JP2020102715 A JP 2020102715A JP 7500294 B2 JP7500294 B2 JP 7500294B2
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JP
Japan
Prior art keywords
opening
unit
image forming
cleaning member
closing
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
JP2020102715A
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English (en)
Japanese (ja)
Other versions
JP2021196494A5 (enExample
JP2021196494A (ja
Inventor
文朗 野口
仁 谷口
純 戸田
駿介 松下
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 JP2020102715A priority Critical patent/JP7500294B2/ja
Priority to US17/343,906 priority patent/US11333992B2/en
Publication of JP2021196494A publication Critical patent/JP2021196494A/ja
Priority to US17/721,444 priority patent/US20220236661A1/en
Publication of JP2021196494A5 publication Critical patent/JP2021196494A5/ja
Application granted granted Critical
Publication of JP7500294B2 publication Critical patent/JP7500294B2/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
    • G03G15/02—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
    • G03G15/0208—Apparatus 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
    • G03G15/0216—Apparatus 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
    • G03G15/0225—Apparatus 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 provided with means for cleaning the charging member
    • 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
    • G03G15/75—Details relating to xerographic drum, band or plate, e.g. replacing, testing
    • G03G15/757—Drive mechanisms for photosensitive medium, e.g. gears
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
    • G03G21/18—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements using a processing cartridge, whereby the process cartridge comprises at least two image processing means in a single unit
    • G03G21/1803—Arrangements or disposition of the complete process cartridge or parts thereof
    • G03G21/1814—Details of parts of process cartridge, e.g. for charging, transfer, cleaning, developing

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Electrophotography Configuration And Component (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
JP2020102715A 2020-06-12 2020-06-12 画像形成装置 Active JP7500294B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2020102715A JP7500294B2 (ja) 2020-06-12 2020-06-12 画像形成装置
US17/343,906 US11333992B2 (en) 2020-06-12 2021-06-10 Image forming apparatus and cartridge
US17/721,444 US20220236661A1 (en) 2020-06-12 2022-04-15 Image forming apparatus and cartridge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2020102715A JP7500294B2 (ja) 2020-06-12 2020-06-12 画像形成装置

Publications (3)

Publication Number Publication Date
JP2021196494A JP2021196494A (ja) 2021-12-27
JP2021196494A5 JP2021196494A5 (enExample) 2023-06-06
JP7500294B2 true JP7500294B2 (ja) 2024-06-17

Family

ID=78825320

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020102715A Active JP7500294B2 (ja) 2020-06-12 2020-06-12 画像形成装置

Country Status (2)

Country Link
US (2) US11333992B2 (enExample)
JP (1) JP7500294B2 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7500294B2 (ja) * 2020-06-12 2024-06-17 キヤノン株式会社 画像形成装置
US11988979B2 (en) 2021-09-13 2024-05-21 Canon Kabushiki Kaisha Image forming apparatus with developing member that supplies toner to surface of image bearing member to form toner image

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006251195A (ja) 2005-03-09 2006-09-21 Murata Mach Ltd 帯電装置及び該帯電装置を備えた画像形成装置
JP2007025681A (ja) 2005-07-14 2007-02-01 Toshiba Corp 帯電装置、プロセスユニット及び画像形成装置
JP2009288599A (ja) 2008-05-30 2009-12-10 Brother Ind Ltd 画像形成装置およびプロセスカートリッジ

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04123076A (ja) 1990-09-14 1992-04-23 Ricoh Co Ltd 電子写真装置のチャージワイヤ清掃装置
JPH04145464A (ja) * 1990-10-05 1992-05-19 Konica Corp 画像形成装置
JPH06138780A (ja) 1992-10-26 1994-05-20 Fujitsu Ltd 転写ワイヤのクリーニング装置
JPH06194934A (ja) 1992-12-25 1994-07-15 Ricoh Co Ltd 帯電器の放電々極ワイヤのクリーニング制御装置
JPH0720760A (ja) * 1993-06-18 1995-01-24 Konica Corp 画像形成装置のプロセスカートリッジ
JPH08227207A (ja) 1995-02-22 1996-09-03 Ricoh Co Ltd 画像形成装置のプロセスカートリッジ
JP3733690B2 (ja) * 1997-04-10 2006-01-11 ブラザー工業株式会社 帯電装置に用いる帯電ワイヤの製造方法、帯電ワイヤ、画像形成装置、及びプロセスユニット
JP2001022167A (ja) 1999-07-13 2001-01-26 Seiko Epson Corp 画像形成装置
US6697589B1 (en) * 2001-03-12 2004-02-24 Lexmark International, Inc. Fuser latch system
JP2006243530A (ja) 2005-03-04 2006-09-14 Murata Mach Ltd 帯電ワイヤのクリーニング装置
JP2006243531A (ja) 2005-03-04 2006-09-14 Murata Mach Ltd 帯電ワイヤのクリーニング装置
JP4788336B2 (ja) * 2005-08-10 2011-10-05 ブラザー工業株式会社 画像形成装置及び像担持体ユニット
EP1936444A1 (en) * 2006-12-21 2008-06-25 Murata Machinery, Ltd. Image forming apparatus with a cleaning unit for a corona discharging device
US7738811B2 (en) * 2007-10-03 2010-06-15 Xerox Corporation Corona charging device cleaner
JP5067113B2 (ja) * 2007-10-24 2012-11-07 コニカミノルタビジネステクノロジーズ株式会社 画像形成装置
JP4671066B2 (ja) * 2008-12-26 2011-04-13 ブラザー工業株式会社 画像形成装置および画像形成ユニット
JP5560951B2 (ja) * 2010-06-23 2014-07-30 富士ゼロックス株式会社 清掃システム、画像形成装置
KR101456083B1 (ko) * 2011-11-25 2014-11-03 교세라 도큐멘트 솔루션즈 가부시키가이샤 현상장치, 및 이것을 구비한 화상형성장치
US9500994B2 (en) * 2011-12-30 2016-11-22 Lexmark International, Inc. Developer unit architecture for an imaging device
JP6213051B2 (ja) * 2013-08-22 2017-10-18 株式会社リコー 帯電装置および画像形成装置
CN106527073B (zh) * 2015-09-15 2019-10-25 佳能株式会社 图像形成装置
JP7500294B2 (ja) * 2020-06-12 2024-06-17 キヤノン株式会社 画像形成装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006251195A (ja) 2005-03-09 2006-09-21 Murata Mach Ltd 帯電装置及び該帯電装置を備えた画像形成装置
JP2007025681A (ja) 2005-07-14 2007-02-01 Toshiba Corp 帯電装置、プロセスユニット及び画像形成装置
JP2009288599A (ja) 2008-05-30 2009-12-10 Brother Ind Ltd 画像形成装置およびプロセスカートリッジ

Also Published As

Publication number Publication date
US20210389689A1 (en) 2021-12-16
US11333992B2 (en) 2022-05-17
JP2021196494A (ja) 2021-12-27
US20220236661A1 (en) 2022-07-28

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