ES2074097T3 - Aparato para la formacion de imagenes. - Google Patents
Aparato para la formacion de imagenes.Info
- Publication number
- ES2074097T3 ES2074097T3 ES90106276T ES90106276T ES2074097T3 ES 2074097 T3 ES2074097 T3 ES 2074097T3 ES 90106276 T ES90106276 T ES 90106276T ES 90106276 T ES90106276 T ES 90106276T ES 2074097 T3 ES2074097 T3 ES 2074097T3
- Authority
- ES
- Spain
- Prior art keywords
- image
- voltage
- transfer
- load
- image support
- 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
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
- G03G15/14—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base
- G03G15/18—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a charge pattern
-
- 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
- G03G15/14—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base
- G03G15/16—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer
- G03G15/1665—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer by introducing the second base in the nip formed by the recording member and at least one transfer member, e.g. in combination with bias or heat
- G03G15/167—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer by introducing the second base in the nip formed by the recording member and at least one transfer member, e.g. in combination with bias or heat at least one of the recording member or the transfer member being rotatable during the transfer
- G03G15/1675—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer by introducing the second base in the nip formed by the recording member and at least one transfer member, e.g. in combination with bias or heat at least one of the recording member or the transfer member being rotatable during the transfer with means for controlling the bias applied in the transfer nip
-
- 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
- G03G2215/16—Transferring device, details
- G03G2215/1647—Cleaning of transfer member
- G03G2215/1652—Cleaning of transfer member of transfer roll
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electrostatic Charge, Transfer And Separation In Electrography (AREA)
Abstract
UN APARATO DE FORMACION DE IMAGEN INCLUYE UNA PIEZA DE SOPORTE DE IMAGEN MOVIBLE; UN DISPOSITIVO DE FORMACION DE IMAGEN PARA FORMAR UNA IMAGEN DE PIGMENTO ORGANICO EN LA PIEZA DE SOPORTE DE LA IMAGEN; UN DISPOSITIVO DE TRANSFERENCIA DE IMAGEN PARA TRANSFERIR LA IMAGEN DE PIGMENTO ORGANICO DESDE LA PIEZA DE SOPORTE DE LA IMAGEN A UN MATERIAL DE TRANSFERENCIA EN UNA ESTACION DE TRANSFERENCIA, EN DONDE EL DISPOSITIVO DE TRANSFERENCIA INCLUYE UNA PIEZA DE CARGA CONTACTADA A PRESION O DE CARA A LA PIEZA DE SOPORTE DE LA IMAGEN Y UN DISPOSITIVO PARA APLICAR UN VOLTAJE A LA PIEZA DE CARGA, EN DONDE EL DISPOSITIVO DE APLICACION DE VOLTAJE APLICA UN VOLTAJE A LA PIEZA DE CARGA, DE MODO QUE EL VOLTAJE DE DICHA PIEZA ESTA CONSTANTEMENTE CONTROLADO CUANDO UNA REGION DE LA IMAGEN DE LA PIEZA DE SOPORTE DE LA IMAGEN ESTA EN LA ESTACION DE TRANSFERENCIA Y LA CORRIENTE DE LA PIEZA DE CARGA ESTA CONSTANTEMENTE CONTROLADA DURANTE, COMO MINIMO, UNA PARTE DEL PERIODO EN EL QUE NO SE ENCUENTRA EN LA ESTACION DE TRANSFERENCIA, EN DONDE UN VOLTAJE V2 APLICADO DURANTE EL CONTROL CONSTANTE DE VOLTAJE ES UN VOLTAJE V1 QUE APARECE EN EL DISPOSITIVO DE TRANSFERENCIA DURANTE EL CONTROL DE CORRIENTE CONSTANTE MULTIPLICADO POR UN COEFICIENTE R, EN EL QUE R ES MAYOR QUE 1.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1085189A JP2614309B2 (ja) | 1989-04-03 | 1989-04-03 | 画像形成装置 |
JP8630189A JP2614311B2 (ja) | 1989-04-04 | 1989-04-04 | 画像形成装置 |
JP12286889A JP2780043B2 (ja) | 1989-05-18 | 1989-05-18 | 画像形成装置 |
JP1198265A JPH0362075A (ja) | 1989-07-31 | 1989-07-31 | 画像形成装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2074097T3 true ES2074097T3 (es) | 1995-09-01 |
Family
ID=27467066
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES90106276T Expired - Lifetime ES2074097T3 (es) | 1989-04-03 | 1990-04-02 | Aparato para la formacion de imagenes. |
Country Status (5)
Country | Link |
---|---|
US (1) | US5179397A (es) |
EP (1) | EP0391306B1 (es) |
KR (1) | KR930010873B1 (es) |
DE (1) | DE69020770T2 (es) |
ES (1) | ES2074097T3 (es) |
Families Citing this family (51)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69026199T2 (de) * | 1989-11-16 | 1996-09-05 | Canon Kk | Bilderzeugungsgerät |
WO1992018912A1 (en) * | 1991-04-12 | 1992-10-29 | Hitachi, Ltd. | Electrophotographic recording device |
EP0520819B1 (en) * | 1991-06-28 | 1998-08-19 | Canon Kabushiki Kaisha | Image forming apparatus having charging member |
DE69216923T2 (de) * | 1991-07-06 | 1997-05-15 | Fujitsu Ltd | Bildübertragungsvorrichtung |
US5592274A (en) * | 1992-01-31 | 1997-01-07 | Fuji Xerox Co., Ltd. | Electrophotographic apparatus and process for simultaneously transferring and fixing toner image onto transfer paper |
JPH05323765A (ja) * | 1992-05-15 | 1993-12-07 | Minolta Camera Co Ltd | 帯電装置 |
US5438398A (en) * | 1992-05-29 | 1995-08-01 | Canon Kabushiki Kaisha | Image forming apparatus with intermediate transfer member |
US5752075A (en) * | 1993-02-10 | 1998-05-12 | Elonex Plc, Ltd. | Integrated computer Scanner printer in a single system enclosure sharing control circuitry and light source wherein a single CPU performing all of the control tasks |
JP3278314B2 (ja) * | 1994-02-14 | 2002-04-30 | キヤノン株式会社 | 画像形成装置 |
JP3082566B2 (ja) * | 1994-03-26 | 2000-08-28 | キヤノン株式会社 | 画像形成装置 |
US5684685A (en) * | 1994-05-06 | 1997-11-04 | Canon Kabushiki Kaisha | High voltage power supply for image transfer and image forming apparatus using the same |
JP3411434B2 (ja) * | 1994-12-27 | 2003-06-03 | シャープ株式会社 | 画像形成装置 |
US5732310A (en) * | 1995-04-21 | 1998-03-24 | Canon Kabushiki Kaisha | Image forming apparatus having cleaning device for cleaning intermediate transfer member |
US5809373A (en) * | 1995-05-23 | 1998-09-15 | Canon Kabushiki Kaisha | Image forming apparatus which back-transfers residual toner from an intermediate transfer member to a photosensitive drum |
JP3510008B2 (ja) * | 1995-07-07 | 2004-03-22 | 株式会社沖データ | 印刷装置 |
EP0784246B1 (en) * | 1996-01-10 | 2006-04-19 | Canon Kabushiki Kaisha | Image forming apparatus employing intermediary transfer member |
JP3737559B2 (ja) * | 1996-03-21 | 2006-01-18 | 株式会社沖データ | プリンタ装置及びその電源回路 |
US5697015A (en) * | 1996-05-29 | 1997-12-09 | Lexmark International, Inc. | Electrophotographic apparatus and method for inhibiting charge over-transfer |
US5915145A (en) * | 1996-07-19 | 1999-06-22 | Canon Kabushiki Kaisha | Image forming apparatus |
US6033057A (en) * | 1997-02-24 | 2000-03-07 | Brother Kogyo Kabushiki Kaisha | Image forming device including toner supply unit for supplying toner particles to electrode array |
JPH10333397A (ja) | 1997-04-04 | 1998-12-18 | Canon Inc | カラー画像形成装置 |
JPH11109767A (ja) * | 1997-08-04 | 1999-04-23 | Canon Inc | 画像形成装置 |
JP3839933B2 (ja) * | 1997-09-22 | 2006-11-01 | キヤノン株式会社 | 画像形成装置 |
JPH11161057A (ja) * | 1997-11-28 | 1999-06-18 | Oki Data Corp | 電子写真記録装置 |
JP3268751B2 (ja) * | 1998-03-13 | 2002-03-25 | キヤノン株式会社 | 画像形成装置 |
KR100285748B1 (ko) * | 1998-04-28 | 2001-04-02 | 윤종용 | 전사전압제어장치및방법 |
JP3890141B2 (ja) * | 1998-04-28 | 2007-03-07 | キヤノン株式会社 | 画像形成装置 |
JP3368220B2 (ja) | 1998-12-03 | 2003-01-20 | キヤノン株式会社 | 画像形成装置 |
JP3976990B2 (ja) | 1999-09-07 | 2007-09-19 | キヤノン株式会社 | 画像形成装置 |
JP2001209233A (ja) * | 1999-11-19 | 2001-08-03 | Canon Inc | 画像形成装置 |
JP3862543B2 (ja) | 2000-10-30 | 2006-12-27 | キヤノン株式会社 | 画像形成装置 |
JP3913069B2 (ja) | 2002-01-31 | 2007-05-09 | キヤノン株式会社 | 加熱装置 |
US6952548B2 (en) * | 2002-05-31 | 2005-10-04 | Canon Kabushiki Kaisha | Charging apparatus with auxiliary member and image forming apparatus having the charging apparatus |
CN100338536C (zh) * | 2002-10-21 | 2007-09-19 | 佳能株式会社 | 图像形成装置 |
JP4227446B2 (ja) * | 2003-03-27 | 2009-02-18 | キヤノン株式会社 | 画像形成装置 |
JP4386262B2 (ja) * | 2004-02-04 | 2009-12-16 | キヤノン株式会社 | 画像形成装置 |
JP4418689B2 (ja) * | 2004-02-04 | 2010-02-17 | キヤノン株式会社 | 画像形成装置 |
JP2005221677A (ja) * | 2004-02-04 | 2005-08-18 | Canon Inc | 画像形成装置 |
JP2005221676A (ja) | 2004-02-04 | 2005-08-18 | Canon Inc | 画像形成装置およびその制御方法 |
JP2005300686A (ja) * | 2004-04-07 | 2005-10-27 | Murata Mach Ltd | 画像形成装置 |
US20070025749A1 (en) * | 2005-05-19 | 2007-02-01 | Masato Kubota | Transfer control unit of an image forming apparatus |
JP2007011076A (ja) * | 2005-06-30 | 2007-01-18 | Toshiba Corp | 画像形成装置、画像形成方法 |
JP5080897B2 (ja) * | 2007-08-07 | 2012-11-21 | キヤノン株式会社 | 画像形成装置 |
JP5388513B2 (ja) * | 2008-09-08 | 2014-01-15 | キヤノン株式会社 | 画像形成装置 |
US20100074641A1 (en) * | 2008-09-24 | 2010-03-25 | Kabushiki Kaisha Toshiba | Image forming apparatus and transfer bias compensation method of the same |
JP6003205B2 (ja) * | 2011-06-24 | 2016-10-05 | 株式会社リコー | 画像形成装置、電源制御装置、画像形成システム、転写方法及び転写プログラム |
JP6451236B2 (ja) * | 2014-08-06 | 2019-01-16 | 株式会社リコー | 画像形成装置 |
JP2016173520A (ja) * | 2015-03-18 | 2016-09-29 | 株式会社沖データ | 画像形成装置および画像形成方法 |
JP6958298B2 (ja) * | 2017-11-29 | 2021-11-02 | 京セラドキュメントソリューションズ株式会社 | 画像形成装置 |
WO2019117910A1 (en) * | 2017-12-14 | 2019-06-20 | Hewlett-Packard Development Company, L.P. | Voltage control in a liquid electrophotographic printer |
JP7237580B2 (ja) | 2018-12-28 | 2023-03-13 | キヤノン株式会社 | 画像形成装置 |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US428932A (en) | 1890-05-27 | Regulating-valve | ||
BE758058A (fr) * | 1969-10-29 | 1971-04-27 | Xerox Corp | Appareil de transfert |
US3937572A (en) * | 1972-01-06 | 1976-02-10 | Bell & Howell Company | Apparatus for inductive electrophotography |
US3781105A (en) * | 1972-11-24 | 1973-12-25 | Xerox Corp | Constant current biasing transfer system |
US3860436A (en) * | 1972-11-24 | 1975-01-14 | Thomas Meagher | Constant current biasing transfer system |
US3837741A (en) * | 1973-12-28 | 1974-09-24 | Xerox Corp | Control arrangement for transfer roll power supply |
US3924943A (en) * | 1974-06-11 | 1975-12-09 | Xerox Corp | Segmented biased transfer member |
US3954333A (en) * | 1975-01-10 | 1976-05-04 | Xerox Corporation | Transfer roll having means for monitoring and controlling the resistivity thereof |
US3936175A (en) * | 1975-01-29 | 1976-02-03 | Xerox Corporation | Internally shielded transfer roller |
JPS5264936A (en) * | 1975-11-25 | 1977-05-28 | Canon Inc | Apparatus for electronic photography |
US4190348A (en) * | 1978-10-02 | 1980-02-26 | Xerox Corporation | Lead edge transfer switching |
US4326795A (en) * | 1978-10-14 | 1982-04-27 | Canon Kabushiki Kaisha | Image forming process and apparatus therefor |
JPS5635159A (en) * | 1979-08-30 | 1981-04-07 | Olympus Optical Co Ltd | Bias roller transfer device |
US4341457A (en) * | 1979-09-13 | 1982-07-27 | Canon Kabushiki Kaisha | Electrophotographic apparatus including an electrostatic separation device |
US4402591A (en) * | 1979-09-29 | 1983-09-06 | Canon Kabushiki Kaisha | Electrophotographic apparatus |
JPS56110968A (en) * | 1980-02-07 | 1981-09-02 | Olympus Optical Co Ltd | Electrophotographic device |
US4379630A (en) * | 1980-04-01 | 1983-04-12 | Olympus Optical Company Limited | Transfer roller for electrophotographic apparatus |
JPS5767969A (en) * | 1980-10-16 | 1982-04-24 | Olympus Optical Co Ltd | Transcription device for electrophotographic copier for copying plural sheets |
JPS60256173A (ja) * | 1984-06-01 | 1985-12-17 | Canon Inc | 画像形成方法 |
JPS61151553A (ja) * | 1984-12-26 | 1986-07-10 | Casio Comput Co Ltd | 画像形成装置 |
US4851960A (en) * | 1986-12-15 | 1989-07-25 | Canon Kabushiki Kaisha | Charging device |
JPS63296063A (ja) * | 1987-05-28 | 1988-12-02 | Canon Inc | 画像形成装置 |
JPH07113802B2 (ja) * | 1987-06-30 | 1995-12-06 | キヤノン株式会社 | 画像形成装置 |
US5168313A (en) * | 1988-04-28 | 1992-12-01 | Kabushiki Kaisha Toshiba | Toner image transfer method and device for electrophotographic printing apparatus |
US4977430A (en) * | 1988-06-24 | 1990-12-11 | Eastman Kodak Company | Transfer roller power supply |
EP0367245B1 (en) * | 1988-11-02 | 1996-01-03 | Canon Kabushiki Kaisha | An image forming apparatus |
JP2614317B2 (ja) * | 1989-06-20 | 1997-05-28 | キヤノン株式会社 | 画像形成装置 |
-
1990
- 1990-03-28 US US07/500,795 patent/US5179397A/en not_active Expired - Lifetime
- 1990-04-02 DE DE69020770T patent/DE69020770T2/de not_active Expired - Fee Related
- 1990-04-02 EP EP90106276A patent/EP0391306B1/en not_active Expired - Lifetime
- 1990-04-02 ES ES90106276T patent/ES2074097T3/es not_active Expired - Lifetime
- 1990-04-03 KR KR1019900004592A patent/KR930010873B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0391306B1 (en) | 1995-07-12 |
EP0391306A3 (en) | 1991-09-11 |
EP0391306A2 (en) | 1990-10-10 |
DE69020770T2 (de) | 1995-12-07 |
KR930010873B1 (ko) | 1993-11-15 |
KR900016826A (ko) | 1990-11-14 |
US5179397A (en) | 1993-01-12 |
DE69020770D1 (de) | 1995-08-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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