JP2019123189A - 画像形成装置 - Google Patents

画像形成装置 Download PDF

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Publication number
JP2019123189A
JP2019123189A JP2018006690A JP2018006690A JP2019123189A JP 2019123189 A JP2019123189 A JP 2019123189A JP 2018006690 A JP2018006690 A JP 2018006690A JP 2018006690 A JP2018006690 A JP 2018006690A JP 2019123189 A JP2019123189 A JP 2019123189A
Authority
JP
Japan
Prior art keywords
correction
image
scanning direction
photosensitive member
density
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.)
Pending
Application number
JP2018006690A
Other languages
English (en)
Japanese (ja)
Other versions
JP2019123189A5 (enExample
Inventor
秋月　智雄
Tomoo Akizuki
智雄 秋月
飯田　健一
Kenichi Iida
健一 飯田
長田　光
Hikari Osada
光 長田
雄介 清水
Yusuke Shimizu
雄介 清水
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 JP2018006690A priority Critical patent/JP2019123189A/ja
Priority to US16/245,558 priority patent/US10656549B2/en
Publication of JP2019123189A publication Critical patent/JP2019123189A/ja
Priority to US16/847,849 priority patent/US10990029B2/en
Publication of JP2019123189A5 publication Critical patent/JP2019123189A5/ja
Priority to JP2022111979A priority patent/JP7570377B2/ja
Pending legal-status Critical Current

Links

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
    • G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
    • G03G15/041—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material with variable magnification
    • G03G15/0415—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material with variable magnification and means for controlling illumination or exposure
    • 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
    • G03G15/0928—Details concerning the magnetic brush roller structure, e.g. magnet configuration relating to the shell, e.g. structure, composition
    • 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
    • G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
    • G03G15/04027—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material and forming half-tone image
    • 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
    • G03G15/50—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control
    • G03G15/5033—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control by measuring the photoconductor characteristics, e.g. temperature, or the characteristics of an image on the photoconductor
    • G03G15/5041—Detecting a toner image, e.g. density, toner coverage, using a test patch

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Laser Beam Printer (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Fax Reproducing Arrangements (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
JP2018006690A 2018-01-18 2018-01-18 画像形成装置 Pending JP2019123189A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2018006690A JP2019123189A (ja) 2018-01-18 2018-01-18 画像形成装置
US16/245,558 US10656549B2 (en) 2018-01-18 2019-01-11 Image forming apparatus correcting exposure amount of photosensitive member
US16/847,849 US10990029B2 (en) 2018-01-18 2020-04-14 Image forming apparatus correcting exposure amount of photosensitive member
JP2022111979A JP7570377B2 (ja) 2018-01-18 2022-07-12 画像形成装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2018006690A JP2019123189A (ja) 2018-01-18 2018-01-18 画像形成装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2022111979A Division JP7570377B2 (ja) 2018-01-18 2022-07-12 画像形成装置

Publications (2)

Publication Number Publication Date
JP2019123189A true JP2019123189A (ja) 2019-07-25
JP2019123189A5 JP2019123189A5 (enExample) 2021-03-25

Family

ID=67213855

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2018006690A Pending JP2019123189A (ja) 2018-01-18 2018-01-18 画像形成装置
JP2022111979A Active JP7570377B2 (ja) 2018-01-18 2022-07-12 画像形成装置

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2022111979A Active JP7570377B2 (ja) 2018-01-18 2022-07-12 画像形成装置

Country Status (2)

Country Link
US (2) US10656549B2 (enExample)
JP (2) JP2019123189A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019200376A (ja) * 2018-05-18 2019-11-21 キヤノン株式会社 走査装置及び画像形成装置

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11194553A (ja) * 1997-12-29 1999-07-21 Canon Inc 画像形成装置および画像形成方法
JP2000190554A (ja) * 1998-12-24 2000-07-11 Fuji Xerox Co Ltd 光走査装置
US20040218032A1 (en) * 2003-04-29 2004-11-04 Kabushiki Kaisha Toshiba Light scanning unit for use in image forming apparatus
JP2013182099A (ja) * 2012-03-01 2013-09-12 Canon Inc 画像形成装置
JP2016150581A (ja) * 2015-02-19 2016-08-22 キヤノン株式会社 画像形成装置
JP2016150582A (ja) * 2015-02-19 2016-08-22 キヤノン株式会社 画像形成装置
JP2017202595A (ja) * 2016-05-10 2017-11-16 キヤノン株式会社 画像形成装置、画像形成方法、並びにプログラム
JP2017209965A (ja) * 2016-05-27 2017-11-30 キヤノン株式会社 画像形成装置

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5274426A (en) 1991-05-29 1993-12-28 Canon Kabushiki Kaisha Developing apparatus and developer carrying member therefor
JP3029162B2 (ja) 1991-05-29 2000-04-04 キヤノン株式会社 現像装置及び現像剤担持部材
US5574544A (en) * 1994-08-29 1996-11-12 Konica Corporation Image forming apparatus having image density gradation correction means
JP4455084B2 (ja) 2004-02-06 2010-04-21 株式会社リコー 画像形成装置
JP4765592B2 (ja) * 2005-12-06 2011-09-07 富士ゼロックス株式会社 画像形成装置
US7817932B2 (en) * 2007-09-11 2010-10-19 Kabushiki Kaisha Toshiba Image forming apparatus and control method of the same
JP2010002607A (ja) * 2008-06-19 2010-01-07 Konica Minolta Business Technologies Inc 画像形成装置
JP5438457B2 (ja) * 2009-10-08 2014-03-12 キヤノン株式会社 画像形成装置及びその制御方法
JP2011164609A (ja) * 2010-02-12 2011-08-25 Toshiba Corp 画像形成装置および画像濃度補正方法
JP5943592B2 (ja) * 2011-05-23 2016-07-05 キヤノン株式会社 カラー画像形成装置
JP6232775B2 (ja) * 2013-06-26 2017-11-22 株式会社リコー 画像形成装置、画像形成方法および画像形成システム
JP6320101B2 (ja) 2014-03-19 2018-05-09 キヤノン株式会社 画像形成装置および感光体を走査する光ビームの光量を制御するための補正データの生成方法
JP6543038B2 (ja) * 2015-01-28 2019-07-10 キヤノン株式会社 光走査装置、画像形成装置及び回転多面鏡
JP6484059B2 (ja) * 2015-02-19 2019-03-13 キヤノン株式会社 画像形成装置および画像形成方法
JP6489861B2 (ja) 2015-02-19 2019-03-27 キヤノン株式会社 画像形成装置
US10496004B2 (en) * 2015-08-20 2019-12-03 Canon Kabushiki Kaisha Image forming apparatus with current-controlled light emitting element
JP6836308B2 (ja) * 2017-05-15 2021-02-24 キヤノン株式会社 画像形成装置

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11194553A (ja) * 1997-12-29 1999-07-21 Canon Inc 画像形成装置および画像形成方法
JP2000190554A (ja) * 1998-12-24 2000-07-11 Fuji Xerox Co Ltd 光走査装置
US20040218032A1 (en) * 2003-04-29 2004-11-04 Kabushiki Kaisha Toshiba Light scanning unit for use in image forming apparatus
JP2013182099A (ja) * 2012-03-01 2013-09-12 Canon Inc 画像形成装置
JP2016150581A (ja) * 2015-02-19 2016-08-22 キヤノン株式会社 画像形成装置
JP2016150582A (ja) * 2015-02-19 2016-08-22 キヤノン株式会社 画像形成装置
JP2017202595A (ja) * 2016-05-10 2017-11-16 キヤノン株式会社 画像形成装置、画像形成方法、並びにプログラム
JP2017209965A (ja) * 2016-05-27 2017-11-30 キヤノン株式会社 画像形成装置

Also Published As

Publication number Publication date
US20190219944A1 (en) 2019-07-18
US20200241439A1 (en) 2020-07-30
US10990029B2 (en) 2021-04-27
JP2022159275A (ja) 2022-10-17
US10656549B2 (en) 2020-05-19
JP7570377B2 (ja) 2024-10-21

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