JP6302329B2 - 画像形成装置 - Google Patents

画像形成装置 Download PDF

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Publication number
JP6302329B2
JP6302329B2 JP2014076457A JP2014076457A JP6302329B2 JP 6302329 B2 JP6302329 B2 JP 6302329B2 JP 2014076457 A JP2014076457 A JP 2014076457A JP 2014076457 A JP2014076457 A JP 2014076457A JP 6302329 B2 JP6302329 B2 JP 6302329B2
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JP
Japan
Prior art keywords
detection pattern
image carrier
sensor
light
image
Prior art date
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Active
Application number
JP2014076457A
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English (en)
Japanese (ja)
Other versions
JP2015197639A5 (enExample
JP2015197639A (ja
Inventor
杉山　哲一
哲一 杉山
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 JP2014076457A priority Critical patent/JP6302329B2/ja
Priority to US14/669,674 priority patent/US9316983B2/en
Priority to CN201510141686.0A priority patent/CN104977824B/zh
Publication of JP2015197639A publication Critical patent/JP2015197639A/ja
Publication of JP2015197639A5 publication Critical patent/JP2015197639A5/ja
Application granted granted Critical
Publication of JP6302329B2 publication Critical patent/JP6302329B2/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
    • G03G15/5033—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
    • G03G15/5025—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 original characteristics, e.g. contrast, density
    • 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
    • G03G15/01—Apparatus for electrographic processes using a charge pattern for producing multicoloured copies
    • 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
    • G03G2215/01—Apparatus for electrophotographic processes for producing multicoloured copies
    • G03G2215/0103—Plural electrographic recording members
    • G03G2215/0119—Linear arrangement adjacent plural transfer points
    • G03G2215/0122—Linear arrangement adjacent plural transfer points primary transfer to an intermediate transfer belt
    • G03G2215/0125—Linear arrangement adjacent plural transfer points primary transfer to an intermediate transfer belt the linear arrangement being horizontal or slanted
    • G03G2215/0129—Linear arrangement adjacent plural transfer points primary transfer to an intermediate transfer belt the linear arrangement being horizontal or slanted horizontal medium transport path at the secondary transfer
    • 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
    • G03G2215/01—Apparatus for electrophotographic processes for producing multicoloured copies
    • G03G2215/0151—Apparatus for electrophotographic processes for producing multicoloured copies characterised by the technical problem
    • G03G2215/0158—Colour registration
    • G03G2215/0161—Generation of registration marks
    • 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
    • G03G2215/01—Apparatus for electrophotographic processes for producing multicoloured copies
    • G03G2215/0151—Apparatus for electrophotographic processes for producing multicoloured copies characterised by the technical problem
    • G03G2215/0164—Uniformity control of the toner density at separate colour transfers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Color Electrophotography (AREA)
JP2014076457A 2014-04-02 2014-04-02 画像形成装置 Active JP6302329B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2014076457A JP6302329B2 (ja) 2014-04-02 2014-04-02 画像形成装置
US14/669,674 US9316983B2 (en) 2014-04-02 2015-03-26 Image forming apparatus including first detection sensor and second detection sensor for detecting density detection pattern
CN201510141686.0A CN104977824B (zh) 2014-04-02 2015-03-27 图像形成装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2014076457A JP6302329B2 (ja) 2014-04-02 2014-04-02 画像形成装置

Publications (3)

Publication Number Publication Date
JP2015197639A JP2015197639A (ja) 2015-11-09
JP2015197639A5 JP2015197639A5 (enExample) 2017-04-27
JP6302329B2 true JP6302329B2 (ja) 2018-03-28

Family

ID=54209692

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2014076457A Active JP6302329B2 (ja) 2014-04-02 2014-04-02 画像形成装置

Country Status (3)

Country Link
US (1) US9316983B2 (enExample)
JP (1) JP6302329B2 (enExample)
CN (1) CN104977824B (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6744758B2 (ja) * 2016-05-13 2020-08-19 キヤノン株式会社 画像形成装置
JP7229782B2 (ja) * 2019-01-09 2023-02-28 キヤノン株式会社 測定装置及び画像形成システム
CN115047735B (zh) * 2022-07-04 2025-10-17 珠海奔图电子有限公司 图像形成装置、校正控制方法及介质
JP2025015049A (ja) * 2023-07-20 2025-01-30 キヤノン株式会社 画像形成装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2573855B2 (ja) 1987-12-23 1997-01-22 キヤノン株式会社 多重画像形成装置
JP3697885B2 (ja) 1997-09-03 2005-09-21 富士ゼロックス株式会社 黒画像濃度検出方法、及びカラー画像形成装置
JP2001166553A (ja) 1999-12-13 2001-06-22 Ricoh Co Ltd カラー画像形成装置
JP2005173253A (ja) * 2003-12-11 2005-06-30 Fuji Xerox Co Ltd 画像形成装置
US7773901B2 (en) * 2006-12-18 2010-08-10 Samsung Electronics Co., Ltd. Image forming apparatus and control method thereof
JP5455047B2 (ja) 2010-02-19 2014-03-26 株式会社リコー 画像形成装置
JP5505793B2 (ja) * 2010-05-13 2014-05-28 株式会社リコー 画像形成装置
JP5767450B2 (ja) * 2010-08-16 2015-08-19 キヤノン株式会社 画像形成装置
JP5725403B2 (ja) 2010-12-16 2015-05-27 株式会社リコー 画像形成装置
JP2012159772A (ja) 2011-02-02 2012-08-23 Ricoh Co Ltd 画像形成装置

Also Published As

Publication number Publication date
US9316983B2 (en) 2016-04-19
CN104977824B (zh) 2017-11-14
CN104977824A (zh) 2015-10-14
US20150286179A1 (en) 2015-10-08
JP2015197639A (ja) 2015-11-09

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