JP6137615B2 - 画像形成装置及び画像濃度制御方法 - Google Patents

画像形成装置及び画像濃度制御方法 Download PDF

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Publication number
JP6137615B2
JP6137615B2 JP2013107017A JP2013107017A JP6137615B2 JP 6137615 B2 JP6137615 B2 JP 6137615B2 JP 2013107017 A JP2013107017 A JP 2013107017A JP 2013107017 A JP2013107017 A JP 2013107017A JP 6137615 B2 JP6137615 B2 JP 6137615B2
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Japan
Prior art keywords
image
potential
toner
development
target
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Expired - Fee Related
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JP2013107017A
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English (en)
Japanese (ja)
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JP2014228630A (ja
JP2014228630A5 (enExample
Inventor
隆介 間瀬
隆介 間瀬
太一 浦山
太一 浦山
高橋　朋子
朋子 高橋
翔太郎 星
翔太郎 星
吉田　隆司
隆司 吉田
杉山　浩之
浩之 杉山
赤藤　昌彦
昌彦 赤藤
善波　英樹
英樹 善波
尾関　孝将
孝将 尾関
中川　悦典
悦典 中川
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Ricoh Co Ltd
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Ricoh Co Ltd
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Publication date
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP2013107017A priority Critical patent/JP6137615B2/ja
Priority to US14/275,038 priority patent/US9250593B2/en
Publication of JP2014228630A publication Critical patent/JP2014228630A/ja
Publication of JP2014228630A5 publication Critical patent/JP2014228630A5/ja
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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
    • G03G15/0848—Arrangements for testing or measuring developer properties or quality, e.g. charge, size, flowability
    • 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
    • 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
    • G03G15/5054—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 characteristics of an intermediate image carrying member or the characteristics of an image on an intermediate image carrying member, e.g. intermediate transfer belt or drum, conveyor belt
    • G03G15/5058—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 characteristics of an intermediate image carrying member or the characteristics of an image on an intermediate image carrying member, e.g. intermediate transfer belt or drum, conveyor belt using a test patch
    • 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
    • G03G15/55—Self-diagnostics; Malfunction or lifetime display
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/00025—Machine control, e.g. regulating different parts of the machine
    • G03G2215/00029—Image density detection
    • G03G2215/00033—Image density detection on recording member
    • G03G2215/00037—Toner image detection
    • G03G2215/00042—Optical detection
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/00025—Machine control, e.g. regulating different parts of the machine
    • G03G2215/00029—Image density detection
    • G03G2215/00059—Image density detection on intermediate image carrying member, e.g. transfer belt
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/00025—Machine control, e.g. regulating different parts of the machine
    • G03G2215/00029—Image density detection
    • G03G2215/00063—Colour

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Developing For Electrophotography (AREA)
  • Dry Development In Electrophotography (AREA)
JP2013107017A 2013-05-21 2013-05-21 画像形成装置及び画像濃度制御方法 Expired - Fee Related JP6137615B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2013107017A JP6137615B2 (ja) 2013-05-21 2013-05-21 画像形成装置及び画像濃度制御方法
US14/275,038 US9250593B2 (en) 2013-05-21 2014-05-12 Image forming apparatus and image density control method employed by the image forming apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2013107017A JP6137615B2 (ja) 2013-05-21 2013-05-21 画像形成装置及び画像濃度制御方法

Publications (3)

Publication Number Publication Date
JP2014228630A JP2014228630A (ja) 2014-12-08
JP2014228630A5 JP2014228630A5 (enExample) 2017-01-12
JP6137615B2 true JP6137615B2 (ja) 2017-05-31

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JP2013107017A Expired - Fee Related JP6137615B2 (ja) 2013-05-21 2013-05-21 画像形成装置及び画像濃度制御方法

Country Status (2)

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US (1) US9250593B2 (enExample)
JP (1) JP6137615B2 (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6229937B2 (ja) 2013-10-31 2017-11-15 株式会社リコー 画像形成装置及び画像形成方法
JP6176529B2 (ja) 2013-11-18 2017-08-09 株式会社リコー 画像形成装置
JP6524623B2 (ja) 2014-06-18 2019-06-05 株式会社リコー 画像形成装置
JP6365095B2 (ja) 2014-08-07 2018-08-01 株式会社リコー 画像形成装置
JP6372749B2 (ja) 2014-09-09 2018-08-15 株式会社リコー 画像形成装置
US9575441B2 (en) 2014-11-07 2017-02-21 Ricoh Company, Ltd. Image forming system
JP6642847B2 (ja) 2015-05-26 2020-02-12 株式会社リコー 画像形成装置及び画像形成方法
JP6569938B2 (ja) * 2015-06-25 2019-09-04 株式会社リコー 画像形成装置
US9977361B2 (en) 2015-11-30 2018-05-22 Ricoh Company, Ltd. Image forming apparatus and image forming system
US9989876B2 (en) 2016-01-13 2018-06-05 Ricoh Company, Ltd. Image forming apparatus and method for calculating a toner degradation rate
JP2017125933A (ja) 2016-01-13 2017-07-20 株式会社リコー 画像形成装置
JP7047277B2 (ja) 2017-08-01 2022-04-05 ブラザー工業株式会社 ドラムユニットおよび画像形成装置
JP7072361B2 (ja) * 2017-09-20 2022-05-20 キヤノン株式会社 画像形成装置およびその制御方法
JP2024046314A (ja) 2022-09-22 2024-04-03 コニカミノルタ株式会社 画像形成装置、かぶりマージン決定方法およびかぶりマージン決定プログラム

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001005236A (ja) * 1999-06-21 2001-01-12 Ricoh Co Ltd 画像形成装置
US7010246B2 (en) 2002-06-10 2006-03-07 Ricoh Company, Ltd. Image forming apparatus, drum unit, image forming module, and method of insertion and removal of a damper into and from an image carrier drum
JP4248228B2 (ja) * 2002-12-02 2009-04-02 株式会社リコー 画像形成方法及び画像形成装置
JP2005024612A (ja) 2003-06-30 2005-01-27 Ricoh Co Ltd 画像形成方法及び画像形成装置
US7110917B2 (en) 2003-11-14 2006-09-19 Ricoh Company, Ltd. Abnormality determining method, and abnormality determining apparatus and image forming apparatus using same
US7203431B2 (en) 2003-12-26 2007-04-10 Ricoh Company, Ltd. Abnormality determining method, abnormality determining apparatus, and image forming apparatus
JP2005315913A (ja) 2004-04-26 2005-11-10 Ricoh Co Ltd 画像形成装置
JP4476711B2 (ja) 2004-06-21 2010-06-09 株式会社リコー 異常判定装置及び画像形成装置
JP2006011174A (ja) 2004-06-28 2006-01-12 Ricoh Co Ltd 記録体異常発生予測装置、定着装置および画像形成装置
JP2006084913A (ja) 2004-09-17 2006-03-30 Fuji Xerox Co Ltd 画像形成装置及び画像形成装置の濃度調整方法
US7457550B2 (en) 2005-01-18 2008-11-25 Ricoh Company, Limited Abnormality determining apparatus, image forming apparatus, copying machine, and information obtaining method
JP4832150B2 (ja) 2006-04-19 2011-12-07 シャープ株式会社 画像補正方法及び画像形成装置
JP2008058677A (ja) * 2006-08-31 2008-03-13 Ricoh Co Ltd 画像形成装置
JP5201465B2 (ja) * 2008-08-12 2013-06-05 株式会社リコー 画像形成装置
JP5448077B2 (ja) * 2010-02-17 2014-03-19 株式会社リコー 光学センサおよび画像形成装置
JP5516219B2 (ja) 2010-08-18 2014-06-11 株式会社リコー 画像形成装置

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JP2014228630A (ja) 2014-12-08
US9250593B2 (en) 2016-02-02

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