DE69215610D1 - Messungen mittels elektrostatischen Voltmetern bei Toner-Testmustern zur Kompensierung der Messungen bei entwickelten Testmustern mit einem IR-Densitometer - Google Patents

Messungen mittels elektrostatischen Voltmetern bei Toner-Testmustern zur Kompensierung der Messungen bei entwickelten Testmustern mit einem IR-Densitometer

Info

Publication number
DE69215610D1
DE69215610D1 DE69215610T DE69215610T DE69215610D1 DE 69215610 D1 DE69215610 D1 DE 69215610D1 DE 69215610 T DE69215610 T DE 69215610T DE 69215610 T DE69215610 T DE 69215610T DE 69215610 D1 DE69215610 D1 DE 69215610D1
Authority
DE
Germany
Prior art keywords
measurements
test patterns
densitometer
compensate
toner
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
DE69215610T
Other languages
English (en)
Other versions
DE69215610T2 (de
Inventor
Mark A Scheuer
Daniel W Macdonald
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.)
Xerox Corp
Original Assignee
Xerox 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 Xerox Corp filed Critical Xerox Corp
Application granted granted Critical
Publication of DE69215610D1 publication Critical patent/DE69215610D1/de
Publication of DE69215610T2 publication Critical patent/DE69215610T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G03G15/50—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
    • G03G15/01—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
    • G03G2215/00025—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

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Color Electrophotography (AREA)
  • Dry Development In Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Facsimiles In General (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
DE69215610T 1991-09-05 1992-09-04 Messungen mittels elektrostatischen Voltmetern bei Toner-Testmustern zur Kompensierung der Messungen bei entwickelten Testmustern mit einem IR-Densitometer Expired - Fee Related DE69215610T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/755,234 US5227270A (en) 1991-09-05 1991-09-05 Esv readings of toner test patches for adjusting ird readings of developed test patches

Publications (2)

Publication Number Publication Date
DE69215610D1 true DE69215610D1 (de) 1997-01-16
DE69215610T2 DE69215610T2 (de) 1997-06-12

Family

ID=25038262

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69215610T Expired - Fee Related DE69215610T2 (de) 1991-09-05 1992-09-04 Messungen mittels elektrostatischen Voltmetern bei Toner-Testmustern zur Kompensierung der Messungen bei entwickelten Testmustern mit einem IR-Densitometer

Country Status (5)

Country Link
US (1) US5227270A (de)
EP (1) EP0531167B1 (de)
JP (1) JP2695583B2 (de)
CA (1) CA2076765C (de)
DE (1) DE69215610T2 (de)

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US5350896A (en) * 1993-11-22 1994-09-27 Xerox Corporation Dual lamp fuser
US5353107A (en) * 1993-11-22 1994-10-04 Xerox Corporation Release agent management control
US5327204A (en) * 1993-11-22 1994-07-05 Xerox Corporation Release agent management control
US5510877A (en) * 1994-04-20 1996-04-23 Xerox Corporation Method and apparatus for lateral registration control in color printing
US5497218A (en) * 1994-08-24 1996-03-05 Xerox Corporation Three point thermistor temperature set up
US5559579A (en) * 1994-09-29 1996-09-24 Xerox Corporation Closed-loop developability control in a xerographic copier or printer
JPH08220888A (ja) * 1995-02-13 1996-08-30 Hitachi Koki Co Ltd 静電記録制御方法ならびに静電記録装置
US5606395A (en) * 1996-01-11 1997-02-25 Xerox Corporation Method and apparatus for adjusting machine parameters in a printing machine to provide real-time print appearance control
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
EP0984338A1 (de) * 1998-05-11 2000-03-08 Xeikon Nv Verfahren für die Verwendung eines Bilderzeugungsgeräts
EP0957411A1 (de) * 1998-05-11 1999-11-17 Xeikon Nv Verfahren zur Verwendung eines Bilderzeugungsgeräts
US6201936B1 (en) * 1999-12-03 2001-03-13 Xerox Corporation Method and apparatus for adaptive black solid area estimation in a xerographic apparatus
US6560418B2 (en) 2001-03-09 2003-05-06 Lexmark International, Inc. Method of setting laser power and developer bias in a multi-color electrophotographic machinie
CN100394322C (zh) 2004-03-02 2008-06-11 精工爱普生株式会社 调色剂量的测定装置及测定方法、图像形成装置
US7158732B2 (en) * 2005-01-11 2007-01-02 Xerox Corporation Method and system for using toner concentration as an active control actuator for TRC control
US8005378B2 (en) * 2007-10-31 2011-08-23 Xerox Corporation Method and system for improved control patch measurement in printing system

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US3045644A (en) * 1957-06-06 1962-07-24 Xerox Corp Two-color electrostatic printing apparatus
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US3832170A (en) * 1970-04-01 1974-08-27 Canon Kk Method and apparatus for electronic color photography and photosensitive member used for the same
US3816115A (en) * 1970-06-26 1974-06-11 Xerox Corp Method for forming a plurality of electrostatic latent images on an electrophotographic plate
GB1442234A (en) * 1974-09-24 1976-07-14 Rank Xerox Ltd Xerographic copying machines
US4078929A (en) * 1976-11-26 1978-03-14 Xerox Corporation Method for two-color development of a xerographic charge pattern
US4308821A (en) * 1978-09-22 1982-01-05 Ricoh Company, Ltd. Electrophotographic development apparatus
JPS5911113B2 (ja) * 1979-04-20 1984-03-13 富士通株式会社 電子写真式記録装置
JPS5814168A (ja) * 1981-07-17 1983-01-26 Canon Inc トナ−濃度制御装置
JPS5830773A (ja) * 1981-08-19 1983-02-23 Canon Inc トナ−濃度制御装置
US4403848A (en) * 1982-02-17 1983-09-13 Xerox Corporation Electronic color printing system
US4562130A (en) * 1982-09-28 1985-12-31 Minolta Camera Kabushiki Kaisha Method of forming composite images
JPS60232579A (ja) * 1984-05-02 1985-11-19 Nec Corp 電子写真方式
US4588667A (en) * 1984-05-15 1986-05-13 Xerox Corporation Electrophotographic imaging member and process comprising sputtering titanium on substrate
JPS61213865A (ja) * 1985-03-18 1986-09-22 ゼロツクス　コーポレーシヨン 電子写真印刷機用の自動設定装置
JPH07111591B2 (ja) * 1985-05-07 1995-11-29 キヤノン株式会社 カラ−画像形成装置
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US4761672A (en) * 1987-07-28 1988-08-02 Xerox Corporation Ramped developer biases
US4833504A (en) * 1987-08-31 1989-05-23 Xerox Corporation Single pass highlight color printer including a scavengeless developer housing
US4810604A (en) * 1987-09-30 1989-03-07 Xerox Corporation Combination xerographic and direct electrostatic printing apparatus for highlight color imaging
JPH01118863A (ja) * 1987-11-02 1989-05-11 Minolta Camera Co Ltd 複写機
US4984022A (en) * 1987-11-26 1991-01-08 Minolta Camera Kabushiki Kaisha Image forming apparatus having means for attenuating bias voltage of the developing sleeve
US4868611A (en) * 1987-12-10 1989-09-19 Xerox Corporation Highlight color imaging with first image neutralization using a scorotron
US4847655A (en) * 1987-12-11 1989-07-11 Xerox Corporation Highlight color imaging apparatus
US4868608A (en) * 1988-01-04 1989-09-19 Xerox Corporation Highlight color imaging apparatus
JP2642373B2 (ja) * 1988-01-12 1997-08-20 株式会社リコー 画像形成装置
US4868600A (en) * 1988-03-21 1989-09-19 Xerox Corporation Scavengeless development apparatus for use in highlight color imaging
US5089859A (en) * 1988-07-16 1992-02-18 Minolta Camera Kabushiki Kaisha Multicolor image forming apparatus which converts color data into erasing data
US4913348A (en) * 1988-12-22 1990-04-03 Xerox Corporation Method and apparatus for creating contrasting images at substantially full contrast voltage
US4998139A (en) * 1989-04-10 1991-03-05 Xerox Corporation Adaptive bias control for tri-level xerography
US4990955A (en) * 1989-04-10 1991-02-05 Xerox Corporation White level stabilization for tri-level imaging
US5021838A (en) * 1989-08-03 1991-06-04 Xerox Corporation Preferred toner/carrier properties
US5032872A (en) * 1989-10-30 1991-07-16 Xerox Corporation Developing device with dual donor rollers including electrically biased electrodes for each donor roller
US5010367A (en) * 1989-12-11 1991-04-23 Xerox Corporation Dual AC development system for controlling the spacing of a toner cloud
US5010368A (en) * 1990-02-20 1991-04-23 Xerox Corporation Magnetic transport roll for supplying toner or carrier and toner to a donor and magnetic developer roll respectively
US5019859A (en) * 1990-05-14 1991-05-28 Xerox Corporation Process control for highlight color with developer switching

Also Published As

Publication number Publication date
US5227270A (en) 1993-07-13
CA2076765C (en) 1999-08-31
JPH05224498A (ja) 1993-09-03
EP0531167B1 (de) 1996-12-04
DE69215610T2 (de) 1997-06-12
JP2695583B2 (ja) 1997-12-24
EP0531167A3 (de) 1994-08-03
CA2076765A1 (en) 1993-03-06
EP0531167A2 (de) 1993-03-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee