JP6426939B2 - 画像形成装置 - Google Patents

画像形成装置 Download PDF

Info

Publication number
JP6426939B2
JP6426939B2 JP2014161898A JP2014161898A JP6426939B2 JP 6426939 B2 JP6426939 B2 JP 6426939B2 JP 2014161898 A JP2014161898 A JP 2014161898A JP 2014161898 A JP2014161898 A JP 2014161898A JP 6426939 B2 JP6426939 B2 JP 6426939B2
Authority
JP
Japan
Prior art keywords
image
target
density
value
ratio
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.)
Expired - Fee Related
Application number
JP2014161898A
Other languages
English (en)
Japanese (ja)
Other versions
JP2015072460A5 (enExample
JP2015072460A (ja
Inventor
斎藤　誠
斎藤　　誠
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 JP2014161898A priority Critical patent/JP6426939B2/ja
Priority to US14/471,167 priority patent/US9213294B2/en
Publication of JP2015072460A publication Critical patent/JP2015072460A/ja
Publication of JP2015072460A5 publication Critical patent/JP2015072460A5/ja
Application granted granted Critical
Publication of JP6426939B2 publication Critical patent/JP6426939B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G03G15/55—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
    • 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

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)
JP2014161898A 2013-09-05 2014-08-07 画像形成装置 Expired - Fee Related JP6426939B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2014161898A JP6426939B2 (ja) 2013-09-05 2014-08-07 画像形成装置
US14/471,167 US9213294B2 (en) 2013-09-05 2014-08-28 Tone correction process that corrects tone of image formed by image forming apparatus

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2013184339 2013-09-05
JP2013184339 2013-09-05
JP2014161898A JP6426939B2 (ja) 2013-09-05 2014-08-07 画像形成装置

Publications (3)

Publication Number Publication Date
JP2015072460A JP2015072460A (ja) 2015-04-16
JP2015072460A5 JP2015072460A5 (enExample) 2017-09-14
JP6426939B2 true JP6426939B2 (ja) 2018-11-21

Family

ID=52583440

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2014161898A Expired - Fee Related JP6426939B2 (ja) 2013-09-05 2014-08-07 画像形成装置

Country Status (2)

Country Link
US (1) US9213294B2 (enExample)
JP (1) JP6426939B2 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6226638B2 (ja) 2013-08-22 2017-11-08 キヤノン株式会社 画像形成装置およびその制御方法
JP6890917B2 (ja) 2015-03-23 2021-06-18 キヤノン株式会社 画像形成装置
JP6662734B2 (ja) * 2016-08-02 2020-03-11 シャープ株式会社 画像形成装置、制御プログラムおよび制御方法
JP7395365B2 (ja) 2019-01-23 2023-12-11 キヤノン株式会社 画像形成装置
JP7669191B2 (ja) * 2021-05-27 2025-04-28 キヤノン株式会社 画像形成装置
JP7614944B2 (ja) 2021-05-28 2025-01-16 キヤノン株式会社 画像形成装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004271834A (ja) * 2003-03-07 2004-09-30 Canon Inc 画像形成装置
JP4011551B2 (ja) * 2004-01-14 2007-11-21 シャープ株式会社 画像形成装置および現像濃度調節方法
JP4355636B2 (ja) * 2004-09-13 2009-11-04 キヤノン株式会社 画像形成装置
JP5377341B2 (ja) * 2009-04-23 2013-12-25 キヤノン株式会社 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
JP5717361B2 (ja) * 2010-06-09 2015-05-13 キヤノン株式会社 画像形成装置
JP2013182099A (ja) * 2012-03-01 2013-09-12 Canon Inc 画像形成装置

Also Published As

Publication number Publication date
JP2015072460A (ja) 2015-04-16
US20150063843A1 (en) 2015-03-05
US9213294B2 (en) 2015-12-15

Similar Documents

Publication Publication Date Title
KR101260129B1 (ko) 화상 형성 장치 및 화상 형성 방법
JP6426939B2 (ja) 画像形成装置
JP5576712B2 (ja) 画像形成装置及びその制御方法
JP5377341B2 (ja) 画像形成装置
US20060204257A1 (en) Image forming apparatus
US20100067932A1 (en) Image forming apparatus
US9223278B2 (en) Image forming apparatus that performs gradation correction
JP6226638B2 (ja) 画像形成装置およびその制御方法
JP2013250532A (ja) 画像形成装置
JP5875228B2 (ja) 画像形成装置
JP2018010168A (ja) 画像形成装置
JP5392200B2 (ja) 画像形成装置
JP5847038B2 (ja) 画像形成装置およびトナー量制御方法
US20060164692A1 (en) Image forming apparatus
JP2017198973A (ja) 画像形成装置
US20150185675A1 (en) Image forming apparatus and adjustment method therefor
JP5981962B2 (ja) 画像形成装置及びその制御方法
JP6635815B2 (ja) 画像形成装置
JP4890910B2 (ja) 画像形成装置
US20180231910A1 (en) Image forming apparatus performing calibration, and control method therefor
JP2019056821A (ja) 画像形成装置、画像形成方法
JP6415617B2 (ja) 画像形成装置
JP3790877B2 (ja) 画像処理装置
JP2017219758A (ja) 画像形成装置
JP2015206945A (ja) 画像形成装置

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20170804

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20170804

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20180524

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20180629

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20180828

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20180928

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20181026

R151 Written notification of patent or utility model registration

Ref document number: 6426939

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R151

LAPS Cancellation because of no payment of annual fees