DE60026195D1 - Stabilisierung des Tonerverbrauches in einer Bilderzeugungsvorrichtung - Google Patents

Stabilisierung des Tonerverbrauches in einer Bilderzeugungsvorrichtung

Info

Publication number
DE60026195D1
DE60026195D1 DE60026195T DE60026195T DE60026195D1 DE 60026195 D1 DE60026195 D1 DE 60026195D1 DE 60026195 T DE60026195 T DE 60026195T DE 60026195 T DE60026195 T DE 60026195T DE 60026195 D1 DE60026195 D1 DE 60026195D1
Authority
DE
Germany
Prior art keywords
stabilization
image forming
forming apparatus
toner consumption
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 - Lifetime
Application number
DE60026195T
Other languages
English (en)
Other versions
DE60026195T2 (de
Inventor
Jeffrey S Weaver
Thomas Camis
James G Bearss
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.)
HP Inc
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Application granted granted Critical
Publication of DE60026195D1 publication Critical patent/DE60026195D1/de
Publication of DE60026195T2 publication Critical patent/DE60026195T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • H04N1/405—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels
    • H04N1/4055—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern
    • H04N1/4056—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern the pattern varying in one dimension only, e.g. dash length, pulse width modulation [PWM]
    • 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
    • G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
    • G03G15/04036—Details of illuminating systems, e.g. lamps, reflectors
    • G03G15/04045—Details of illuminating systems, e.g. lamps, reflectors for exposing image information provided otherwise than by directly projecting the original image onto the photoconductive recording material, e.g. digital copiers
    • G03G15/04072—Details of illuminating systems, e.g. lamps, reflectors for exposing image information provided otherwise than by directly projecting the original image onto the photoconductive recording material, e.g. digital copiers by laser
    • 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
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0848—Arrangements for testing or measuring developer properties or quality, e.g. charge, size, flowability
    • G03G15/0849—Detection or control means for the developer concentration
    • 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
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0848—Arrangements for testing or measuring developer properties or quality, e.g. charge, size, flowability
    • G03G15/0856—Detection or control means for the developer level
    • 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
    • G03G15/22—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20
    • G03G15/32—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which the charge pattern is formed dotwise, e.g. by a thermal head
    • G03G15/326—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which the charge pattern is formed dotwise, e.g. by a thermal head by application of light, e.g. using a LED array
    • 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
    • G03G15/55—Self-diagnostics; Malfunction or lifetime display
    • G03G15/553—Monitoring or warning means for exhaustion or lifetime end of consumables, e.g. indication of insufficient copy sheet quantity for a job
    • G03G15/556—Monitoring or warning means for exhaustion or lifetime end of consumables, e.g. indication of insufficient copy sheet quantity for a job for toner consumption, e.g. pixel counting, toner coverage detection or toner density measurement
    • 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
    • G03G2215/08—Details of powder developing device not concerning the development directly
    • G03G2215/0888—Arrangements for detecting toner level or concentration in the developing device

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Dry Development In Electrophotography (AREA)
  • Fax Reproducing Arrangements (AREA)
DE60026195T 1999-08-10 2000-05-05 Stabilisierung des Tonerverbrauches in einer Bilderzeugungsvorrichtung Expired - Lifetime DE60026195T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/371,160 US20010013939A1 (en) 1998-01-27 1999-08-10 Stabilization of toner consumption in an imaging device
US371160 1999-08-10

Publications (2)

Publication Number Publication Date
DE60026195D1 true DE60026195D1 (de) 2006-04-27
DE60026195T2 DE60026195T2 (de) 2006-11-09

Family

ID=23462744

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60026195T Expired - Lifetime DE60026195T2 (de) 1999-08-10 2000-05-05 Stabilisierung des Tonerverbrauches in einer Bilderzeugungsvorrichtung

Country Status (5)

Country Link
US (1) US20010013939A1 (de)
EP (2) EP1517195A1 (de)
JP (1) JP2001092203A (de)
BR (1) BR0001257A (de)
DE (1) DE60026195T2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7103581B1 (en) * 2000-01-13 2006-09-05 Hewlett-Packard Development Company, L.P. System and method for pricing print jobs
JP2002156801A (ja) * 2000-09-06 2002-05-31 Ricoh Co Ltd 画像形成装置
US6564305B1 (en) * 2000-09-20 2003-05-13 Hewlett-Packard Development Company Lp Compressing memory management in a device
US6615004B1 (en) * 2002-05-06 2003-09-02 Hewlett-Packard Development Company, L.P. Supplying marking fluid in an imaging system
US7164485B2 (en) * 2002-09-26 2007-01-16 Kabushiki Kaisha Toshiba Image forming apparatus
US20040067084A1 (en) * 2002-10-08 2004-04-08 Zerza Wendy L. Cost per page indication
US6962399B2 (en) 2002-12-30 2005-11-08 Lexmark International, Inc. Method of warning a user of end of life of a consumable for an ink jet printer
JP4439994B2 (ja) * 2003-05-14 2010-03-24 キヤノン株式会社 画像形成装置及びカートリッジ、カートリッジに搭載される記憶装置
CN100407067C (zh) * 2003-05-14 2008-07-30 佳能株式会社 图像形成设备、处理盒和安装到处理盒上的存储装置
JP4623630B2 (ja) * 2004-09-01 2011-02-02 株式会社リコー 画像処理装置、画像処理方法、プログラム、画像形成装置、画像形成システム
JP4586725B2 (ja) * 2005-12-27 2010-11-24 ブラザー工業株式会社 監視装置、画像形成装置、画像形成システム
US8339675B2 (en) * 2007-03-02 2012-12-25 Marvell World Trade Ltd. Dynamic image dithering
JP4952821B2 (ja) * 2010-05-17 2012-06-13 コニカミノルタビジネステクノロジーズ株式会社 画像形成システム、画像形成装置、画像形成方法および画像形成プログラム
JP6464695B2 (ja) * 2014-11-25 2019-02-06 ブラザー工業株式会社 画像処理装置、および、コンピュータプログラム
CN107567601B (zh) 2015-07-30 2020-10-23 惠普发展公司，有限责任合伙企业 曝光调节因子

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH052305A (ja) * 1991-06-26 1993-01-08 Toshiba Corp 画像形成装置
JP3004123B2 (ja) * 1992-05-18 2000-01-31 キヤノン株式会社 現像装置
US5349377A (en) 1993-05-17 1994-09-20 Xerox Corporation Printer toner usage indicator with image weighted calculation
JPH07281564A (ja) 1994-04-12 1995-10-27 Fuji Xerox Co Ltd カートリッジ寿命の検知方法
US5754708A (en) 1994-11-16 1998-05-19 Mita Industrial Co. Ltd. Dotted image area detecting apparatus and dotted image area detecting method
US5754312A (en) 1994-11-22 1998-05-19 Mita Industrial Co., Ltd. Method of and apparatus for detecting pixels constituting dotted image area utilizing distance between change points of pixel values
JPH08248760A (ja) * 1995-03-06 1996-09-27 Minolta Co Ltd 画像形成装置
JPH096195A (ja) * 1995-06-15 1997-01-10 Tec Corp 画像形成装置
US5636032A (en) 1995-10-11 1997-06-03 Xerox Corporation System and method for informing a user of a marking material status in a printing environment
JPH09323448A (ja) * 1996-06-05 1997-12-16 Canon Inc データの間引き方法および印刷装置
US5867198A (en) * 1996-08-12 1999-02-02 Xerox Corporation Method for estimation of toner usage in digital xerographic copiers and printers
US5794094A (en) 1997-05-08 1998-08-11 Hewlett-Packard Company Accurate toner level feedback via active artificial intelligence
US5802420A (en) 1997-05-12 1998-09-01 Lexmark International, Inc. Method and apparatus for predicting and displaying toner usage of a printer
US5797061A (en) 1997-05-12 1998-08-18 Lexmark International, Inc. Method and apparatus for measuring and displaying a toner tally for a printer

Also Published As

Publication number Publication date
DE60026195T2 (de) 2006-11-09
EP1076270B1 (de) 2006-03-01
BR0001257A (pt) 2001-04-03
EP1076270A3 (de) 2002-04-03
JP2001092203A (ja) 2001-04-06
EP1076270A2 (de) 2001-02-14
EP1517195A1 (de) 2005-03-23
US20010013939A1 (en) 2001-08-16

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Legal Events

Date Code Title Description
8328 Change in the person/name/address of the agent

Representative=s name: SCHOPPE, ZIMMERMANN, STOECKELER & ZINKLER, 82049 PU

8364 No opposition during term of opposition