DE3676241D1 - Geraet zum steuern der tonernachfuellung in einem elektrophotographischen kopiergeraet. - Google Patents

Geraet zum steuern der tonernachfuellung in einem elektrophotographischen kopiergeraet.

Info

Publication number
DE3676241D1
DE3676241D1 DE8686107610T DE3676241T DE3676241D1 DE 3676241 D1 DE3676241 D1 DE 3676241D1 DE 8686107610 T DE8686107610 T DE 8686107610T DE 3676241 T DE3676241 T DE 3676241T DE 3676241 D1 DE3676241 D1 DE 3676241D1
Authority
DE
Germany
Prior art keywords
electrophotographic copier
toner refill
controlling toner
controlling
refill
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
DE8686107610T
Other languages
English (en)
Inventor
Allen Joseph Rushing
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak 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 Eastman Kodak Co filed Critical Eastman Kodak Co
Application granted granted Critical
Publication of DE3676241D1 publication Critical patent/DE3676241D1/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
    • G03G15/06—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
    • G03G15/0849—Detection or control means for the developer concentration
    • G03G15/0855—Detection or control means for the developer concentration the concentration being measured by optical means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)
DE8686107610T 1985-06-07 1986-06-04 Geraet zum steuern der tonernachfuellung in einem elektrophotographischen kopiergeraet. Expired - Fee Related DE3676241D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/742,357 US4607944A (en) 1985-06-07 1985-06-07 Apparatus for controlling toner replenishment in electrographic copier

Publications (1)

Publication Number Publication Date
DE3676241D1 true DE3676241D1 (de) 1991-01-31

Family

ID=24984507

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686107610T Expired - Fee Related DE3676241D1 (de) 1985-06-07 1986-06-04 Geraet zum steuern der tonernachfuellung in einem elektrophotographischen kopiergeraet.

Country Status (4)

Country Link
US (1) US4607944A (de)
EP (1) EP0208896B1 (de)
JP (1) JPS61282871A (de)
DE (1) DE3676241D1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2541193B2 (ja) * 1986-08-26 1996-10-09 ミノルタ株式会社 画像形成装置
US4883019A (en) * 1987-01-19 1989-11-28 Canon Kabushiki Kaisha Image forming apparatus having developer content detector
US4847659A (en) * 1987-05-21 1989-07-11 Eastman Kodak Company Apparatus for controlling toner replenishment in electrostatographic printer
US4989043A (en) * 1988-05-09 1991-01-29 Ricoh Company, Ltd. Color-balance control method
US4908666A (en) * 1988-08-25 1990-03-13 Eastman Kodak Company Apparatus for controlling toner replenishment in electrostatographic printer
US5214471A (en) * 1989-05-22 1993-05-25 Xerox Corporation Background monitoring device
JPH0310272A (ja) * 1989-06-07 1991-01-17 Canon Inc 画像形成装置
JP2981900B2 (ja) * 1989-10-06 1999-11-22 コニカ株式会社 トナー濃度制御方法
JP2770060B2 (ja) * 1989-12-08 1998-06-25 津田駒工業株式会社 たて糸糊付機
US5513012A (en) * 1990-07-26 1996-04-30 Canon Kabushiki Kaisha Image forming apparatus having density correction for image formation
US5081491A (en) * 1990-12-04 1992-01-14 Xerox Corporation Toner maintenance subsystem for a printing machine
JPH0720670A (ja) * 1993-06-30 1995-01-24 Canon Inc 画像形成装置
US5678131A (en) * 1995-08-22 1997-10-14 Eastman Kodak Company Apparatus and method for regulating toning contrast and extending developer life by long-term adjustment of toner concentration
US20170212447A1 (en) * 2014-05-29 2017-07-27 Hewlett-Packard Development Company, L.P. Detect light reflected from a developer member of a toner cartridge

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3635555A (en) * 1968-11-25 1972-01-18 Canon Kk Electrophotographic copying device
US3674353A (en) * 1971-07-01 1972-07-04 Eastman Kodak Co Toner concentration control apparatus
NL7210357A (de) * 1971-08-06 1973-02-08
AU467941B2 (en) * 1971-09-25 1975-12-18 Hoechst Aktiengesellschaft Method of and apparatus for measuring or measuring and replacing toner consumed inan electrophotographic reproduction machine
US3779203A (en) * 1972-08-14 1973-12-18 Eastman Kodak Co Toner concentration control apparatus
US3815988A (en) * 1973-05-17 1974-06-11 Xerox Corp Image density control apparatus
US4385823A (en) * 1979-04-16 1983-05-31 Eastman Kodak Company Method and means for improving maximum density and tonal range of electrographic images
US4372672A (en) * 1980-12-22 1983-02-08 International Business Machines Corporation Self-triggering quality control sensor
US4468112A (en) * 1981-02-18 1984-08-28 Canon Kabushiki Kaisha Developer concentration controlling device
US4377338A (en) * 1981-08-07 1983-03-22 International Business Machines Corporation Method and apparatus for copier quality monitoring and control
US4431300A (en) * 1982-02-16 1984-02-14 Xerox Corporation Automatic developability sensing in electrophotographic printing
US4502778A (en) * 1982-12-27 1985-03-05 International Business Machines Corporation System for monitoring and controlling electrophotographic toner operation

Also Published As

Publication number Publication date
EP0208896A1 (de) 1987-01-21
EP0208896B1 (de) 1990-12-19
US4607944A (en) 1986-08-26
JPS61282871A (ja) 1986-12-13

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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