JP6440424B2 - 画像形成装置 - Google Patents

画像形成装置 Download PDF

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Publication number
JP6440424B2
JP6440424B2 JP2014190114A JP2014190114A JP6440424B2 JP 6440424 B2 JP6440424 B2 JP 6440424B2 JP 2014190114 A JP2014190114 A JP 2014190114A JP 2014190114 A JP2014190114 A JP 2014190114A JP 6440424 B2 JP6440424 B2 JP 6440424B2
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JP
Japan
Prior art keywords
image
measurement
density
image forming
developer
Prior art date
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Application number
JP2014190114A
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English (en)
Japanese (ja)
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JP2016061963A (ja
JP2016061963A5 (enExample
Inventor
靖人 白藤
靖人 白藤
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 JP2014190114A priority Critical patent/JP6440424B2/ja
Priority to KR1020150128207A priority patent/KR101856823B1/ko
Priority to US14/856,225 priority patent/US9772592B2/en
Priority to DE102015115705.5A priority patent/DE102015115705B4/de
Priority to GB1516497.3A priority patent/GB2532564B/en
Publication of JP2016061963A publication Critical patent/JP2016061963A/ja
Publication of JP2016061963A5 publication Critical patent/JP2016061963A5/ja
Application granted granted Critical
Publication of JP6440424B2 publication Critical patent/JP6440424B2/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
    • G03G15/00Apparatus for electrographic processes using a charge pattern
    • G03G15/50Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control
    • G03G15/5033Machine 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
    • G03G15/5041Detecting a toner image, e.g. density, toner coverage, using a test patch
    • 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
    • G03G15/50Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control
    • G03G15/5054Machine 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
    • G03G15/5058Machine 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
    • 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
    • G03G15/55Self-diagnostics; Malfunction or lifetime display
    • G03G15/553Monitoring or warning means for exhaustion or lifetime end of consumables, e.g. indication of insufficient copy sheet quantity for a job
    • G03G15/556Monitoring or warning means for exhaustion or lifetime end of consumables, e.g. indication of insufficient copy sheet quantity for a job for toner consumption, e.g. pixel counting, toner coverage detection or toner density measurement
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00Apparatus for electrophotographic processes
    • G03G2215/00025Machine control, e.g. regulating different parts of the machine
    • G03G2215/00029Image density detection
    • G03G2215/00033Image density detection on recording member
    • G03G2215/00037Toner image detection
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00Apparatus for electrophotographic processes
    • G03G2215/00362Apparatus for electrophotographic processes relating to the copy medium handling
    • G03G2215/00535Stable handling of copy medium
    • G03G2215/00717Detection of physical properties
    • G03G2215/00755Detection of physical properties of sheet toner density

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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)
  • Dry Development In Electrophotography (AREA)
JP2014190114A 2014-09-18 2014-09-18 画像形成装置 Active JP6440424B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2014190114A JP6440424B2 (ja) 2014-09-18 2014-09-18 画像形成装置
KR1020150128207A KR101856823B1 (ko) 2014-09-18 2015-09-10 화상 형성 장치
US14/856,225 US9772592B2 (en) 2014-09-18 2015-09-16 Image forming apparatus
DE102015115705.5A DE102015115705B4 (de) 2014-09-18 2015-09-17 Bilderzeugungsgerät
GB1516497.3A GB2532564B (en) 2014-09-18 2015-09-17 Image forming apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2014190114A JP6440424B2 (ja) 2014-09-18 2014-09-18 画像形成装置

Publications (3)

Publication Number Publication Date
JP2016061963A JP2016061963A (ja) 2016-04-25
JP2016061963A5 JP2016061963A5 (enExample) 2017-10-26
JP6440424B2 true JP6440424B2 (ja) 2018-12-19

Family

ID=54544411

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2014190114A Active JP6440424B2 (ja) 2014-09-18 2014-09-18 画像形成装置

Country Status (5)

Country Link
US (1) US9772592B2 (enExample)
JP (1) JP6440424B2 (enExample)
KR (1) KR101856823B1 (enExample)
DE (1) DE102015115705B4 (enExample)
GB (1) GB2532564B (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7009918B2 (ja) * 2017-10-30 2022-01-26 コニカミノルタ株式会社 現像装置及び画像形成装置
JP7338253B2 (ja) * 2019-06-11 2023-09-05 コニカミノルタ株式会社 現像装置、画像形成装置、現像装置を制御する方法、および現像装置を制御するプログラム
JP7431522B2 (ja) * 2019-07-19 2024-02-15 キヤノン株式会社 画像形成装置および画像形成システム

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5162849A (en) 1990-11-23 1992-11-10 Konica Corporation Image forming apparatus having a developer deterioration detecting device
JP3274200B2 (ja) 1992-12-28 2002-04-15 キヤノン株式会社 画像形成方法及び装置
JP2003263027A (ja) 2002-03-07 2003-09-19 Seiko Epson Corp 画像形成装置、及び、コンピュータシステム
US7079794B2 (en) 2003-02-28 2006-07-18 Xerox Corporation Material state management via automatic toner purge
JP2004271834A (ja) 2003-03-07 2004-09-30 Canon Inc 画像形成装置
JP4876603B2 (ja) * 2006-02-03 2012-02-15 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
JP4887949B2 (ja) * 2006-07-11 2012-02-29 富士ゼロックス株式会社 画像形成装置およびトナー濃度制御方法
JP2008268678A (ja) * 2007-04-23 2008-11-06 Canon Inc 画像形成装置
US7929871B2 (en) * 2008-03-18 2011-04-19 Kabushiki Kaisha Toshiba Image forming apparatus, image quality management method and image quality management program
JP5676965B2 (ja) 2010-08-09 2015-02-25 キヤノン株式会社 画像形成装置
JP5739648B2 (ja) 2010-11-24 2015-06-24 キヤノン株式会社 画像形成装置
JP5767463B2 (ja) * 2010-12-15 2015-08-19 キヤノン株式会社 画像形成装置
JP5857488B2 (ja) * 2011-07-14 2016-02-10 富士ゼロックス株式会社 補正装置、画像形成装置、画像形成システム及びプログラム
JP2013156291A (ja) 2012-01-26 2013-08-15 Canon Inc 画像形成装置

Also Published As

Publication number Publication date
GB2532564B (en) 2017-03-01
DE102015115705A1 (de) 2016-03-24
US9772592B2 (en) 2017-09-26
JP2016061963A (ja) 2016-04-25
GB2532564A (en) 2016-05-25
DE102015115705B4 (de) 2019-12-19
KR20160033611A (ko) 2016-03-28
KR101856823B1 (ko) 2018-05-10
US20160085196A1 (en) 2016-03-24
GB201516497D0 (en) 2015-11-04

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