ES2144659T3 - Aparato de formacion de imagenes. - Google Patents

Aparato de formacion de imagenes.

Info

Publication number
ES2144659T3
ES2144659T3 ES96105080T ES96105080T ES2144659T3 ES 2144659 T3 ES2144659 T3 ES 2144659T3 ES 96105080 T ES96105080 T ES 96105080T ES 96105080 T ES96105080 T ES 96105080T ES 2144659 T3 ES2144659 T3 ES 2144659T3
Authority
ES
Spain
Prior art keywords
image
potential
cpu
detection result
result obtained
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
ES96105080T
Other languages
English (en)
Inventor
Sadao Takahashi
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
Application granted granted Critical
Publication of ES2144659T3 publication Critical patent/ES2144659T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G03G15/05—Apparatus for electrographic processes using a charge pattern for imagewise charging, e.g. photoconductive control screen, optically activated charging means
    • 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
    • G03G15/02—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
    • G03G15/0266—Arrangements for controlling the amount of charge
    • 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
    • G03G2215/02—Arrangements for laying down a uniform charge
    • G03G2215/021—Arrangements for laying down a uniform charge by contact, friction or induction

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
  • Control Or Security For Electrophotography (AREA)

Abstract

SE SUMINISTRA UN APARATO PARA LA FORMACION DE IMAGENES QUE COMPRENDE UN RODILLO CARGADOR (2) PARA CARGAR UN MEDIO DE SOPORTE DE UNA IMAGEN (1) PONIENDOSE EN CONTACTO CON EL MEDIO DE CARGA DE LA IMAGEN (1), UNA FUENTE DE ENERGIA (21) PARA APLICAR UNA TENSION DE REFERENCIA AL RODILLO CARGADOR (2), UN SENSOR DE POTENCIAL (10) PARAR DETECTAR UNA TENSION CARGADA DEL MEDIO DE SOPORTE DE LA IMAGEN (1), UN SENSOR DE TEMPERATURA (11) PARA DETECTAR LAS CONDICIONES MEDIO AMBIENTALES DEL RODILLO CARGADOR (2), Y UNA CPU (20) PARA CONTROLAR LA FUENTE DE ENERGIA (21) A PARTIR DE UN RESULTADO DE DETECCION OBTENIDO POR EL SENSOR DE POTENCIAL (10) Y UN RESULTADO DE DETECCION OBTENIDO POR EL SENSOR DE TEMPERATURA (11). LA CPU (20) EFECTUA ALTERACIONES EN LA TENSION DE REFERENCIA DE LA FUENTE DE ALIMENTACION (21) DE MANERA QUE EL POTENCIAL DE CARGA DEL MEDIO DE SOPORTE DE LA IMAGEN (1) PUEDA LLEVARSE A UN NIVEL DE POTENCIAL DESEADO Y AJUSTE UNA TEMPORIZACION DE EJECUCION PARA LAS ALTERACIONES.
ES96105080T 1995-03-30 1996-03-29 Aparato de formacion de imagenes. Expired - Lifetime ES2144659T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP7428295 1995-03-30
JP06458096A JP3408918B2 (ja) 1995-03-30 1996-03-21 画像形成装置

Publications (1)

Publication Number Publication Date
ES2144659T3 true ES2144659T3 (es) 2000-06-16

Family

ID=26405669

Family Applications (1)

Application Number Title Priority Date Filing Date
ES96105080T Expired - Lifetime ES2144659T3 (es) 1995-03-30 1996-03-29 Aparato de formacion de imagenes.

Country Status (7)

Country Link
US (1) US5805954A (es)
EP (1) EP0735434B1 (es)
JP (1) JP3408918B2 (es)
KR (1) KR100197473B1 (es)
CN (1) CN1087844C (es)
DE (1) DE69606661T2 (es)
ES (1) ES2144659T3 (es)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100228804B1 (ko) * 1997-08-16 1999-11-01 윤종용 전자사진 현상방식을 채용한 화상형성장치에서 접촉대전방식의대전장치
US6198491B1 (en) * 1998-12-03 2001-03-06 Canon Kabushiki Kaisha Electrophotographic image forming apparatus
JP4105830B2 (ja) * 1999-07-19 2008-06-25 株式会社リコー 帯電装置における帯電ローラの各層の抵抗率決定方法
US6122460A (en) * 1999-12-02 2000-09-19 Lexmark International, Inc. Method and apparatus for automatically compensating a degradation of the charge roller voltage in a laser printer
JP2001312124A (ja) * 2000-05-02 2001-11-09 Ricoh Co Ltd 画像形成装置
JP2002278176A (ja) * 2001-03-14 2002-09-27 Canon Inc 画像形成装置
US7173719B2 (en) * 2001-09-04 2007-02-06 Texas Instruments Incorporated Integrated raster image processor and electro-photographic engine controller
JP2004086156A (ja) * 2002-07-02 2004-03-18 Ricoh Co Ltd 画像形成装置、帯電装置、および帯電装置の電源制御方法
JP4152853B2 (ja) * 2003-09-30 2008-09-17 株式会社 日立ディスプレイズ 表面処理装置、および、液晶表示装置の製造方法
JP4617859B2 (ja) * 2004-12-07 2011-01-26 富士ゼロックス株式会社 画像形成装置
KR100582942B1 (ko) * 2005-04-12 2006-05-25 삼성전자주식회사 온도 가변형 슬릿을 구비한 레이저 스캔 유닛
JP4778789B2 (ja) * 2005-12-28 2011-09-21 株式会社リコー 画像形成装置
JP4993060B2 (ja) * 2006-01-18 2012-08-08 富士ゼロックス株式会社 画像形成装置
JP5017880B2 (ja) * 2006-02-15 2012-09-05 コニカミノルタビジネステクノロジーズ株式会社 画像形成装置及び画像形成方法
JP4992315B2 (ja) * 2006-06-23 2012-08-08 富士ゼロックス株式会社 帯電装置及びこれを用いた画像形成装置
JP4515421B2 (ja) * 2006-08-15 2010-07-28 京セラミタ株式会社 画像形成装置
JP4330082B2 (ja) 2007-03-06 2009-09-09 京セラミタ株式会社 画像形成装置
US7949268B2 (en) * 2008-10-02 2011-05-24 Xerox Corporation Dynamic photo receptor wear rate adjustment based on environmental sensor feedback
JP6354300B2 (ja) * 2014-05-01 2018-07-11 ブラザー工業株式会社 画像形成装置
JP6421922B2 (ja) * 2014-10-02 2018-11-14 株式会社リコー 画像形成装置
JP6341452B2 (ja) * 2014-10-09 2018-06-13 株式会社リコー 画像形成装置
JP7347036B2 (ja) * 2019-09-06 2023-09-20 富士フイルムビジネスイノベーション株式会社 帯電装置及びこれを用いた画像形成装置
CN113671807A (zh) * 2021-08-13 2021-11-19 北京辰光融信技术有限公司 用于打印机的usb耗材识别方法及耗材设备和打印机

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01164972A (ja) * 1987-12-21 1989-06-29 Ricoh Co Ltd 表面電位制御装置
JPH0394282A (ja) * 1989-09-07 1991-04-19 Canon Inc 画像形成装置
JPH04186381A (ja) * 1990-11-21 1992-07-03 Ricoh Co Ltd 接触帯電装置
JPH0580637A (ja) * 1991-09-24 1993-04-02 Ricoh Co Ltd 接触式帯電装置
JP2574107B2 (ja) * 1991-12-02 1997-01-22 株式会社リコー 帯電ローラ及びその製造方法，及び帯電ローラを用いた画像形成装置及びその帯電装置
JPH05181350A (ja) * 1991-12-28 1993-07-23 Kyocera Corp 帯電装置
ES2113034T3 (es) * 1993-11-09 1998-04-16 Ricoh Kk Aparato de formacion de imagenes con un elemento de contacto en contacto con un soporte de imagen.
US5606399A (en) * 1994-09-28 1997-02-25 Ricoh Company, Ltd. Device for correcting an applied voltage in an image forming apparatus
US5649265A (en) * 1994-09-30 1997-07-15 Ricoh Company, Ltd. Image forming apparatus and method having a temperature sensor which is used in both contact and separation positions

Also Published As

Publication number Publication date
EP0735434A3 (en) 1997-07-16
EP0735434A2 (en) 1996-10-02
KR960035176A (ko) 1996-10-24
KR100197473B1 (ko) 1999-06-15
DE69606661D1 (de) 2000-03-23
CN1164051A (zh) 1997-11-05
JPH08328362A (ja) 1996-12-13
CN1087844C (zh) 2002-07-17
JP3408918B2 (ja) 2003-05-19
DE69606661T2 (de) 2000-12-07
US5805954A (en) 1998-09-08
EP0735434B1 (en) 2000-02-16

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