JP4132162B2 - 画像形成装置 - Google Patents

画像形成装置 Download PDF

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Publication number
JP4132162B2
JP4132162B2 JP34936497A JP34936497A JP4132162B2 JP 4132162 B2 JP4132162 B2 JP 4132162B2 JP 34936497 A JP34936497 A JP 34936497A JP 34936497 A JP34936497 A JP 34936497A JP 4132162 B2 JP4132162 B2 JP 4132162B2
Authority
JP
Japan
Prior art keywords
photosensitive drum
image
inspection
detection
area
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
JP34936497A
Other languages
English (en)
Japanese (ja)
Other versions
JPH11184178A5 (2
JPH11184178A (ja
Inventor
克也 永持
林太郎 中根
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.)
Toshiba Corp
Toshiba Tec Corp
Original Assignee
Toshiba Corp
Toshiba Tec Corp
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 Toshiba Corp, Toshiba Tec Corp filed Critical Toshiba Corp
Priority to JP34936497A priority Critical patent/JP4132162B2/ja
Priority to US09/205,230 priority patent/US5995777A/en
Publication of JPH11184178A publication Critical patent/JPH11184178A/ja
Publication of JPH11184178A5 publication Critical patent/JPH11184178A5/ja
Application granted granted Critical
Publication of JP4132162B2 publication Critical patent/JP4132162B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • G03G15/5033—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
    • G03G15/5037—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 the characteristics being an electrical parameter, e.g. voltage
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Discharging, Photosensitive Material Shape In Electrophotography (AREA)
JP34936497A 1997-12-18 1997-12-18 画像形成装置 Expired - Fee Related JP4132162B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP34936497A JP4132162B2 (ja) 1997-12-18 1997-12-18 画像形成装置
US09/205,230 US5995777A (en) 1997-12-18 1998-12-04 Image forming apparatus and examination image forming method in image forming apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP34936497A JP4132162B2 (ja) 1997-12-18 1997-12-18 画像形成装置

Publications (3)

Publication Number Publication Date
JPH11184178A JPH11184178A (ja) 1999-07-09
JPH11184178A5 JPH11184178A5 (2) 2005-02-24
JP4132162B2 true JP4132162B2 (ja) 2008-08-13

Family

ID=18403269

Family Applications (1)

Application Number Title Priority Date Filing Date
JP34936497A Expired - Fee Related JP4132162B2 (ja) 1997-12-18 1997-12-18 画像形成装置

Country Status (2)

Country Link
US (1) US5995777A (2)
JP (1) JP4132162B2 (2)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6665502B2 (en) * 2000-06-06 2003-12-16 Canon Kabushiki Kaisha Image forming apparatus with electrostatic potential-based developer correction
KR100565055B1 (ko) * 2003-08-04 2006-03-30 삼성전자주식회사 화상형성시스템에 있어서 전압편차 보정방법 및 장치
US8150302B2 (en) * 2007-05-01 2012-04-03 Ricoh Company, Limited Image forming apparatus and image forming method that detects an amount of color misalignment using reflected light
JP5151550B2 (ja) * 2008-02-27 2013-02-27 株式会社リコー 画像形成装置及び画像形成方法
JP7031433B2 (ja) * 2018-03-28 2022-03-08 株式会社リコー 画像形成装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5351107A (en) * 1992-09-24 1994-09-27 Kabushiki Kaisha Toshiba Image forming apparatus and method having image density correcting function
US5386276A (en) * 1993-07-12 1995-01-31 Xerox Corporation Detecting and correcting for low developed mass per unit area
US5826139A (en) * 1996-09-30 1998-10-20 Xerox Corporation Method and apparatus for controlling the sequence, size and position of an image control patch

Also Published As

Publication number Publication date
US5995777A (en) 1999-11-30
JPH11184178A (ja) 1999-07-09

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