DE69517717D1 - Steuerung eines xerographischen Prozesses durch Einstellung des Photorezeptorpotentials in Abhängigkeit von den Photorezeptorsegmenten - Google Patents

Steuerung eines xerographischen Prozesses durch Einstellung des Photorezeptorpotentials in Abhängigkeit von den Photorezeptorsegmenten

Info

Publication number
DE69517717D1
DE69517717D1 DE69517717T DE69517717T DE69517717D1 DE 69517717 D1 DE69517717 D1 DE 69517717D1 DE 69517717 T DE69517717 T DE 69517717T DE 69517717 T DE69517717 T DE 69517717T DE 69517717 D1 DE69517717 D1 DE 69517717D1
Authority
DE
Germany
Prior art keywords
photoreceptor
adjusting
control
segments
xerographic process
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
DE69517717T
Other languages
English (en)
Other versions
DE69517717T2 (de
Inventor
Magde, Jr
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
Publication of DE69517717D1 publication Critical patent/DE69517717D1/de
Application granted granted Critical
Publication of DE69517717T2 publication Critical patent/DE69517717T2/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
    • G03G15/02—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
    • G03G15/0291—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices corona discharge devices, e.g. wires, pointed electrodes, means for cleaning the corona discharge device
    • 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
    • G03G15/02—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
    • G03G15/0266—Arrangements for controlling the amount of charge
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
  • Control Or Security For Electrophotography (AREA)
DE69517717T 1994-02-04 1995-02-03 Steuerung eines xerographischen Prozesses durch Einstellung des Photorezeptorpotentials in Abhängigkeit von den Photorezeptorsegmenten Expired - Fee Related DE69517717T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/191,684 US5416563A (en) 1994-02-04 1994-02-04 Xerographic process control by adjusting photoreceptor voltages by photoreceptor segments

Publications (2)

Publication Number Publication Date
DE69517717D1 true DE69517717D1 (de) 2000-08-10
DE69517717T2 DE69517717T2 (de) 2000-11-30

Family

ID=22706514

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69517717T Expired - Fee Related DE69517717T2 (de) 1994-02-04 1995-02-03 Steuerung eines xerographischen Prozesses durch Einstellung des Photorezeptorpotentials in Abhängigkeit von den Photorezeptorsegmenten

Country Status (4)

Country Link
US (1) US5416563A (de)
EP (1) EP0666512B1 (de)
JP (1) JPH07261516A (de)
DE (1) DE69517717T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07306569A (ja) * 1994-05-11 1995-11-21 Canon Inc 帯電部材、帯電装置、画像形成装置、及びプロセス カートリッジ
US5623714A (en) * 1994-11-23 1997-04-22 Xerox Corporation Automatic exposure correction using current sensing technology
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
US5903796A (en) * 1998-03-05 1999-05-11 Xerox Corporation P/R process control patch uniformity analyzer
US6483996B2 (en) * 2001-04-02 2002-11-19 Hewlett-Packard Company Method and system for predicting print quality degradation in an image forming device
US8005378B2 (en) * 2007-10-31 2011-08-23 Xerox Corporation Method and system for improved control patch measurement in printing system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4348099A (en) * 1980-04-07 1982-09-07 Xerox Corporation Closed loop control of reproduction machine
US4786924A (en) * 1987-03-20 1988-11-22 Xerox Corporation Hybrid control system for a copier
US4724461A (en) * 1987-04-06 1988-02-09 Eastman Kodak Company Dynamic process control for electrostatographic machines
US5150135A (en) * 1990-08-20 1992-09-22 Xerox Corporation Current sensing development control system for an ionographic printing machine
GB9026770D0 (en) * 1990-12-10 1991-01-30 Xerox Corp Electrophotographic apparatus and method
US5164776A (en) * 1991-09-19 1992-11-17 Xerox Corporation Apparatus and method for correcting the voltage on a photoconductive device
US5255055A (en) * 1991-12-23 1993-10-19 Eastman Kodak Company Reproduction apparatus having a plurality of non-imaging portion detectors

Also Published As

Publication number Publication date
JPH07261516A (ja) 1995-10-13
US5416563A (en) 1995-05-16
EP0666512A2 (de) 1995-08-09
EP0666512B1 (de) 2000-07-05
DE69517717T2 (de) 2000-11-30
EP0666512A3 (de) 1996-05-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee