DE69523980D1 - Verfahren zur Druckqualitätskontrolle für einen elektrofotografischen Drucker - Google Patents

Verfahren zur Druckqualitätskontrolle für einen elektrofotografischen Drucker

Info

Publication number
DE69523980D1
DE69523980D1 DE69523980T DE69523980T DE69523980D1 DE 69523980 D1 DE69523980 D1 DE 69523980D1 DE 69523980 T DE69523980 T DE 69523980T DE 69523980 T DE69523980 T DE 69523980T DE 69523980 D1 DE69523980 D1 DE 69523980D1
Authority
DE
Germany
Prior art keywords
control method
quality control
print quality
electrophotographic printer
electrophotographic
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
DE69523980T
Other languages
English (en)
Other versions
DE69523980T2 (de
Inventor
Mark A Hopkins
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 DE69523980D1 publication Critical patent/DE69523980D1/de
Publication of DE69523980T2 publication Critical patent/DE69523980T2/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
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual 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
    • 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
    • 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
    • G03G2215/00118—Machine control, e.g. regulating different parts of the machine using fuzzy logic
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S706/00—Data processing: artificial intelligence
    • Y10S706/90—Fuzzy logic

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)
DE69523980T 1994-05-09 1995-04-28 Verfahren zur Druckqualitätskontrolle für einen elektrofotografischen Drucker Expired - Fee Related DE69523980T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/239,792 US5390004A (en) 1994-05-09 1994-05-09 Three-input, three-output fuzzy logic print quality controller for an electrophotographic printer

Publications (2)

Publication Number Publication Date
DE69523980D1 true DE69523980D1 (de) 2002-01-03
DE69523980T2 DE69523980T2 (de) 2002-04-11

Family

ID=22903764

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69523980T Expired - Fee Related DE69523980T2 (de) 1994-05-09 1995-04-28 Verfahren zur Druckqualitätskontrolle für einen elektrofotografischen Drucker

Country Status (4)

Country Link
US (1) US5390004A (de)
EP (1) EP0682294B1 (de)
JP (1) JPH07319334A (de)
DE (1) DE69523980T2 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5402214A (en) * 1994-02-23 1995-03-28 Xerox Corporation Toner concentration sensing system for an electrophotographic printer
US5864353A (en) * 1995-02-03 1999-01-26 Indigo N.V. C/A method of calibrating a color for monochrome electrostatic imaging apparatus
US5682573A (en) * 1995-03-01 1997-10-28 Fuji Xerox Co., Ltd. Image quality control in image forming apparatus
US5734407A (en) * 1995-03-31 1998-03-31 Fuji Xerox Co., Ltd. Image quality control at restart of image forming apparatus
US7532339B1 (en) 1999-12-08 2009-05-12 Lexmark International, Inc. Self-describing device interface system
US6498611B1 (en) 2000-01-28 2002-12-24 Lexmark International, Inc. System and method for providing a virtual operator panel for a peripheral device
US7064859B1 (en) 2000-03-27 2006-06-20 International Business Machines Corporation Method, system, program, and data structure for producing a look-up table to enhance print quality
US6975427B1 (en) 2000-03-27 2005-12-13 International Business Machines Corporation Method, system, and program for using look-up tables to filter raster data
US6975428B1 (en) 2000-03-27 2005-12-13 International Business Machines Corporation Method, system, and program for reducing toner usage in print output
US6374064B1 (en) * 2000-09-25 2002-04-16 Xerox Corporation Xerographic development system, method for determining when the developer material supply should be replenished
US6321045B1 (en) 2000-09-25 2001-11-20 Xerox Corporation Xerographic development system, a method for predicting changes in the ratio of toner to carrier
US6285840B1 (en) 2000-09-25 2001-09-04 Xerox Corporation Print quality control for a xerographic printer having an AC development field
US6909519B2 (en) * 2001-11-08 2005-06-21 Hewlett-Packard Development Company, L.P. Method and system for printer suggested upgrades
US6865564B2 (en) * 2001-11-08 2005-03-08 Hewlett-Packard Development Company, L.P. Method and system for printer suggested training
US7400424B2 (en) * 2002-03-05 2008-07-15 Hewlett-Packard Development Company, L.P. Printer option suggestion method and program
US7769474B2 (en) * 2005-09-20 2010-08-03 Honeywell International Inc. Method for soft-computing supervision of dynamical processes with multiple control objectives

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5204935A (en) * 1988-08-19 1993-04-20 Fuji Xerox Co., Ltd. Programmable fuzzy logic circuits
JP3021619B2 (ja) * 1990-11-16 2000-03-15 三洋電機株式会社 画像形成装置
JPH04320285A (ja) * 1991-04-19 1992-11-11 Ricoh Co Ltd 電子写真プロセス制御装置
JP3220256B2 (ja) * 1991-11-25 2001-10-22 株式会社リコー 画像形成方法および画像形成装置
US5204538A (en) * 1992-05-18 1993-04-20 Xerox Corporation Densitometer for an electrophotographic printer using focused and unfocused reflecting beams
JPH06102735A (ja) * 1992-09-24 1994-04-15 Toshiba Corp 画像形成装置

Also Published As

Publication number Publication date
DE69523980T2 (de) 2002-04-11
EP0682294B1 (de) 2001-11-21
JPH07319334A (ja) 1995-12-08
EP0682294A2 (de) 1995-11-15
US5390004A (en) 1995-02-14
EP0682294A3 (de) 1999-06-23

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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