DE3469387D1 - Toner dispensing control - Google Patents

Toner dispensing control

Info

Publication number
DE3469387D1
DE3469387D1 DE8484200706T DE3469387T DE3469387D1 DE 3469387 D1 DE3469387 D1 DE 3469387D1 DE 8484200706 T DE8484200706 T DE 8484200706T DE 3469387 T DE3469387 T DE 3469387T DE 3469387 D1 DE3469387 D1 DE 3469387D1
Authority
DE
Germany
Prior art keywords
dispensing control
toner dispensing
toner
control
dispensing
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
Application number
DE8484200706T
Other languages
English (en)
Inventor
Schamphelaere Lucien Amede De
Freddy Maurice Librecht
Willy Gomer Verlinden
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.)
Agfa Gevaert NV
Original Assignee
Agfa Gevaert NV
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 Agfa Gevaert NV filed Critical Agfa Gevaert NV
Application granted granted Critical
Publication of DE3469387D1 publication Critical patent/DE3469387D1/de
Expired 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
    • G03G15/0853—Detection or control means for the developer concentration the concentration being measured by magnetic means
DE8484200706T 1983-06-03 1984-05-17 Toner dispensing control Expired DE3469387D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP83200801 1983-06-03

Publications (1)

Publication Number Publication Date
DE3469387D1 true DE3469387D1 (en) 1988-03-24

Family

ID=8190958

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484200706T Expired DE3469387D1 (en) 1983-06-03 1984-05-17 Toner dispensing control

Country Status (5)

Country Link
US (1) US4589762A (de)
EP (1) EP0128606B1 (de)
JP (1) JPS607449A (de)
CA (1) CA1230158A (de)
DE (1) DE3469387D1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4786924A (en) * 1987-03-20 1988-11-22 Xerox Corporation Hybrid control system for a copier
US4908666A (en) * 1988-08-25 1990-03-13 Eastman Kodak Company Apparatus for controlling toner replenishment in electrostatographic printer
US5040023A (en) * 1988-09-14 1991-08-13 Minolta Camera Kabushiki Kaisha Method and apparatus for supplying toner to a developing device in an image forming apparatus
JP2981900B2 (ja) * 1989-10-06 1999-11-22 コニカ株式会社 トナー濃度制御方法
JP3018395B2 (ja) * 1990-05-15 2000-03-13 ミノルタ株式会社 画像形成装置のトナー濃度制御装置
US5189475A (en) * 1991-08-26 1993-02-23 Xerox Corporation Developer mechanism with sensor and notched auger
US5365319A (en) * 1992-03-05 1994-11-15 Canon Kabushiki Kaisha Image forming apparatus replenishing toner by detecting the ratio of toner and carrier and the density of the developer
JP3392253B2 (ja) * 1995-03-07 2003-03-31 京セラミタ株式会社 トナー濃度制御装置
JPH0934331A (ja) * 1995-07-18 1997-02-07 Canon Inc 画像形成装置
JP3720720B2 (ja) * 2000-03-01 2005-11-30 キヤノン株式会社 画像形成装置
JP2010185913A (ja) * 2009-02-10 2010-08-26 Konica Minolta Business Technologies Inc 現像剤の補給方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3409901A (en) * 1967-07-12 1968-11-05 Ibm Automatic toner concentration control for use with crt input
US3529546A (en) * 1967-07-12 1970-09-22 Ibm Printing substance control
GB1270965A (en) * 1968-07-22 1972-04-19 Eastman Kodak Co Toner replenishment device for electrographic developing apparatus
US4032227A (en) * 1976-01-15 1977-06-28 International Business Machines Corporation Toner concentration control apparatus
JPS609269B2 (ja) * 1977-04-19 1985-03-08 株式会社リコー ２成分系現像剤におけるトナ−濃度検知方法
US4141645A (en) * 1977-07-29 1979-02-27 Eastman Kodak Company Toner concentration monitor
US4260073A (en) * 1978-08-23 1981-04-07 International Business Machines Corporation Virgin toner and used toner supply apparatus and method
US4190018A (en) * 1979-02-02 1980-02-26 Pitney-Bowes, Inc. Powder density control circuit for a photocopier
JPS6036585B2 (ja) * 1979-11-24 1985-08-21 株式会社日立製作所 現像装置
US4468112A (en) * 1981-02-18 1984-08-28 Canon Kabushiki Kaisha Developer concentration controlling device
JPS57146263A (en) * 1981-03-05 1982-09-09 Fujitsu Ltd Control method for toner density
US4413264A (en) * 1981-12-28 1983-11-01 Pitney Bowes Inc. Print material supply control apparatus and method
EP0086516B1 (de) * 1982-02-11 1986-05-28 Agfa-Gevaert N.V. Xerografisches Kopiergerät

Also Published As

Publication number Publication date
EP0128606A1 (de) 1984-12-19
US4589762A (en) 1986-05-20
CA1230158A (en) 1987-12-08
EP0128606B1 (de) 1988-02-17
JPS607449A (ja) 1985-01-16

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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