DE3940517A1 - Verfahren zum ruecksetzen eines tonermangels eines bilderzeugungsgeraets - Google Patents

Verfahren zum ruecksetzen eines tonermangels eines bilderzeugungsgeraets

Info

Publication number
DE3940517A1
DE3940517A1 DE3940517A DE3940517A DE3940517A1 DE 3940517 A1 DE3940517 A1 DE 3940517A1 DE 3940517 A DE3940517 A DE 3940517A DE 3940517 A DE3940517 A DE 3940517A DE 3940517 A1 DE3940517 A1 DE 3940517A1
Authority
DE
Germany
Prior art keywords
toner
indicator
signal
cartridge
fresh
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.)
Granted
Application number
DE3940517A
Other languages
German (de)
English (en)
Inventor
Takashi Ikeda
Moriyuki Koike
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of DE3940517A1 publication Critical patent/DE3940517A1/de
Granted 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)
DE3940517A 1988-12-07 1989-12-07 Verfahren zum ruecksetzen eines tonermangels eines bilderzeugungsgeraets Granted DE3940517A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988158543U JPH0278963U (US08088918-20120103-C00476.png) 1988-12-07 1988-12-07

Publications (1)

Publication Number Publication Date
DE3940517A1 true DE3940517A1 (de) 1990-06-13

Family

ID=15674007

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3940517A Granted DE3940517A1 (de) 1988-12-07 1989-12-07 Verfahren zum ruecksetzen eines tonermangels eines bilderzeugungsgeraets

Country Status (3)

Country Link
US (1) US5105218A (US08088918-20120103-C00476.png)
JP (1) JPH0278963U (US08088918-20120103-C00476.png)
DE (1) DE3940517A1 (US08088918-20120103-C00476.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0506423A2 (en) * 1991-03-29 1992-09-30 Fujitsu Limited Toner quantity detecting system for an image recording apparatus, a method of detecting the quantity of toner and a developing device for the image recording apparatus

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3133314B2 (ja) * 1990-08-29 2001-02-05 株式会社リコー 画像形成装置
KR0164383B1 (ko) * 1995-10-20 1999-03-20 김광호 화상형성장치의 웜업 제어방법
US6963712B2 (en) * 2004-02-27 2005-11-08 Heidi Wachter Hopper key for image forming apparatus and toner refilling kit including the same
WO2005093524A1 (en) * 2004-02-27 2005-10-06 Heidi Wachter Hopper key for image forming apparatus and toner refilling kit including the same
JP4737565B2 (ja) * 2008-07-25 2011-08-03 ブラザー工業株式会社 画像形成装置、及び画像形成装置の初期化方法
JP7006094B2 (ja) * 2017-09-28 2022-01-24 ブラザー工業株式会社 画像形成装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2542231A1 (de) * 1975-09-17 1977-03-31 Canon Kk Fluessigkeitsmengendetektor
EP0112450B1 (en) * 1982-12-27 1987-02-04 International Business Machines Corporation System for monitoring and controlling electrophotographic toner operation
JPS63210975A (ja) * 1987-02-27 1988-09-01 Canon Inc 記録装置
US4786942A (en) * 1986-08-09 1988-11-22 Minolta Camera Kabushiki Kaisha Image forming apparatus

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5845543B2 (ja) * 1978-08-01 1983-10-11 松下電器産業株式会社 凍結防止弁
JPH0723978B2 (ja) * 1984-06-13 1995-03-15 株式会社日立製作所 トナー供給制御装置
US4669856A (en) * 1984-09-10 1987-06-02 Sharp Kabushiki Kaisha Warning device for developer control
US4916490A (en) * 1984-12-01 1990-04-10 Canon Kabushiki Kaisha Image forming apparatus comprising a plurality of developing devices
JPS61175654A (ja) * 1985-01-30 1986-08-07 Sharp Corp 複写機の制御装置
JPS61246766A (ja) * 1985-04-24 1986-11-04 Minolta Camera Co Ltd 複写機
JPS6150162A (ja) * 1985-08-01 1986-03-12 Minolta Camera Co Ltd 複写機
JPS6280670A (ja) * 1985-10-04 1987-04-14 Olympus Optical Co Ltd 画像形成装置の現像剤検出方法
JPS6298374A (ja) * 1985-10-24 1987-05-07 Ricoh Co Ltd 現像装置
US4739367A (en) * 1985-11-07 1988-04-19 Casio Computer Co., Ltd. Image forming apparatus having a control means for effecting control of a preliminary processing of image formation
US4777512A (en) * 1985-12-11 1988-10-11 Canon Kabushiki Kaisha Image forming apparatus with delay during toner replenishment
DE3704993A1 (de) * 1986-03-31 1987-10-08 Toshiba Kk Bilderzeugungsgeraet
JPS6378185A (ja) * 1986-09-20 1988-04-08 Ricoh Co Ltd 現像装置におけるトナ−供給装置のトナ−エンド検知表示方法
JPS63118778A (ja) * 1986-11-07 1988-05-23 Ricoh Co Ltd 複写機
US4873549A (en) * 1987-03-03 1989-10-10 Mita Industrial Co., Ltd. Device for detecting the life of an image forming process unit, opening of a seal of the unit and attachment of the unit to an image forming apparatus
JP2670050B2 (ja) * 1987-07-21 1997-10-29 株式会社リコー 複写機の制御方法
JPS6440176A (en) * 1987-08-06 1989-02-10 Nippon Kokan Kk Measuring instrument for molten pool

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2542231A1 (de) * 1975-09-17 1977-03-31 Canon Kk Fluessigkeitsmengendetektor
EP0112450B1 (en) * 1982-12-27 1987-02-04 International Business Machines Corporation System for monitoring and controlling electrophotographic toner operation
US4786942A (en) * 1986-08-09 1988-11-22 Minolta Camera Kabushiki Kaisha Image forming apparatus
JPS63210975A (ja) * 1987-02-27 1988-09-01 Canon Inc 記録装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0506423A2 (en) * 1991-03-29 1992-09-30 Fujitsu Limited Toner quantity detecting system for an image recording apparatus, a method of detecting the quantity of toner and a developing device for the image recording apparatus
EP0506423A3 (en) * 1991-03-29 1994-09-14 Fujitsu Ltd Toner quantity detecting system for an image recording apparatus, a method of detecting the quantity of toner and a developing device for the image recording apparatus

Also Published As

Publication number Publication date
US5105218A (en) 1992-04-14
JPH0278963U (US08088918-20120103-C00476.png) 1990-06-18

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee