JP6818455B2 - 画像形成装置 - Google Patents

画像形成装置 Download PDF

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Publication number
JP6818455B2
JP6818455B2 JP2016138909A JP2016138909A JP6818455B2 JP 6818455 B2 JP6818455 B2 JP 6818455B2 JP 2016138909 A JP2016138909 A JP 2016138909A JP 2016138909 A JP2016138909 A JP 2016138909A JP 6818455 B2 JP6818455 B2 JP 6818455B2
Authority
JP
Japan
Prior art keywords
image
toner
density
image forming
amount
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
JP2016138909A
Other languages
English (en)
Japanese (ja)
Other versions
JP2018010168A5 (https=
JP2018010168A (ja
Inventor
淳志 松本
淳志 松本
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 JP2016138909A priority Critical patent/JP6818455B2/ja
Priority to US15/643,846 priority patent/US10394176B2/en
Publication of JP2018010168A publication Critical patent/JP2018010168A/ja
Publication of JP2018010168A5 publication Critical patent/JP2018010168A5/ja
Application granted granted Critical
Publication of JP6818455B2 publication Critical patent/JP6818455B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G03G15/50—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
    • 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
    • G03G15/0849—Detection or control means for the developer concentration
    • 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
    • G03G15/55—Self-diagnostics; Malfunction or lifetime display
    • G03G15/553—Monitoring or warning means for exhaustion or lifetime end of consumables, e.g. indication of insufficient copy sheet quantity for a job
    • G03G15/556—Monitoring 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

Landscapes

  • 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)
JP2016138909A 2016-07-13 2016-07-13 画像形成装置 Active JP6818455B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2016138909A JP6818455B2 (ja) 2016-07-13 2016-07-13 画像形成装置
US15/643,846 US10394176B2 (en) 2016-07-13 2017-07-07 Image forming apparatus with adjustment of toner content in developer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2016138909A JP6818455B2 (ja) 2016-07-13 2016-07-13 画像形成装置

Publications (3)

Publication Number Publication Date
JP2018010168A JP2018010168A (ja) 2018-01-18
JP2018010168A5 JP2018010168A5 (https=) 2019-08-22
JP6818455B2 true JP6818455B2 (ja) 2021-01-20

Family

ID=60940597

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2016138909A Active JP6818455B2 (ja) 2016-07-13 2016-07-13 画像形成装置

Country Status (2)

Country Link
US (1) US10394176B2 (https=)
JP (1) JP6818455B2 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018060046A (ja) * 2016-10-05 2018-04-12 キヤノン株式会社 画像形成装置
JP7030733B2 (ja) * 2019-02-28 2022-03-07 キヤノン株式会社 画像形成装置
JP2020144337A (ja) * 2019-03-08 2020-09-10 京セラドキュメントソリューションズ株式会社 画像形成装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01182750A (ja) 1988-01-14 1989-07-20 Konica Corp トナー濃度検出装置
JPH0527527A (ja) 1991-07-18 1993-02-05 Canon Inc 画像形成装置
JPH06149057A (ja) 1992-11-10 1994-05-27 Canon Inc 画像形成装置
JP2002062696A (ja) * 2000-08-16 2002-02-28 Konica Corp 画像形成装置
US6687467B2 (en) * 2002-06-10 2004-02-03 Kabushiki Kaisha Toshiba Apparatus and method of controlling supply of developing agent to developer
JP4278971B2 (ja) * 2002-12-19 2009-06-17 パナソニック株式会社 画像形成装置
US7881629B2 (en) * 2006-11-10 2011-02-01 Ricoh Company, Ltd. Image forming apparatus and image density control method
JP5195014B2 (ja) * 2008-05-14 2013-05-08 株式会社リコー 画像濃度制御装置及び画像形成装置
JP2010197922A (ja) * 2009-02-27 2010-09-09 Canon Inc 画像形成装置
JP5473481B2 (ja) * 2009-08-26 2014-04-16 キヤノン株式会社 画像形成装置
JP5887956B2 (ja) * 2012-01-26 2016-03-16 コニカミノルタ株式会社 画像形成装置
JP2016018074A (ja) * 2014-07-08 2016-02-01 株式会社リコー 画像形成装置及びトナー飛散量推定方法
JP2016090860A (ja) * 2014-11-06 2016-05-23 株式会社リコー 画像形成装置

Also Published As

Publication number Publication date
US20180017924A1 (en) 2018-01-18
JP2018010168A (ja) 2018-01-18
US10394176B2 (en) 2019-08-27

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