DE69122431T2 - Bilderzeugungsgerät - Google Patents

Bilderzeugungsgerät

Info

Publication number
DE69122431T2
DE69122431T2 DE69122431T DE69122431T DE69122431T2 DE 69122431 T2 DE69122431 T2 DE 69122431T2 DE 69122431 T DE69122431 T DE 69122431T DE 69122431 T DE69122431 T DE 69122431T DE 69122431 T2 DE69122431 T2 DE 69122431T2
Authority
DE
Germany
Prior art keywords
imaging device
imaging
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
DE69122431T
Other languages
English (en)
Other versions
DE69122431D1 (de
Inventor
Tadashi Tonegawa
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.)
Sharp Corp
Original Assignee
Sharp Corp
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 Sharp Corp filed Critical Sharp Corp
Publication of DE69122431D1 publication Critical patent/DE69122431D1/de
Application granted granted Critical
Publication of DE69122431T2 publication Critical patent/DE69122431T2/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
    • G03G15/75—Details relating to xerographic drum, band or plate, e.g. replacing, testing
    • 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
    • G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
    • G03G15/043—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material with means for controlling illumination or exposure
DE69122431T 1990-06-14 1991-06-13 Bilderzeugungsgerät Expired - Fee Related DE69122431T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP15627990 1990-06-14
JP3052591A JPH04212181A (ja) 1990-06-14 1991-03-18 感光体膜減り検出装置を備える画像形成装置

Publications (2)

Publication Number Publication Date
DE69122431D1 DE69122431D1 (de) 1996-11-07
DE69122431T2 true DE69122431T2 (de) 1997-04-17

Family

ID=26393212

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69122431T Expired - Fee Related DE69122431T2 (de) 1990-06-14 1991-06-13 Bilderzeugungsgerät

Country Status (4)

Country Link
US (1) US5160967A (de)
EP (1) EP0461656B1 (de)
JP (1) JPH04212181A (de)
DE (1) DE69122431T2 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2753406B2 (ja) * 1991-08-28 1998-05-20 シャープ株式会社 感光体寿命判定装置
DE69325113T2 (de) * 1992-02-07 1999-11-04 Canon Kk Bilderzeugungsgerät mit einem Auflade-Element in Kontakt mit dem Bildträgerelement
EP0568352B1 (de) * 1992-04-28 1998-10-28 Canon Kabushiki Kaisha Bilderzeugungsgerät mit einem Aufladeelement
JPH05346715A (ja) * 1992-06-16 1993-12-27 Sanyo Electric Co Ltd 電子写真装置
JPH0635302A (ja) * 1992-07-16 1994-02-10 Canon Inc 画像形成装置
JP3131353B2 (ja) * 1995-01-23 2001-01-31 キヤノン株式会社 感光体寿命検知装置およびこれを備えた画像形成装置
JP3228056B2 (ja) * 1995-03-02 2001-11-12 キヤノン株式会社 画像形成装置
US5678125A (en) * 1995-05-17 1997-10-14 Ricoh Company, Ltd. Image forming apparatus
JP3109981B2 (ja) * 1995-06-30 2000-11-20 キヤノン株式会社 画像形成装置
JPH0934319A (ja) * 1995-07-24 1997-02-07 Canon Inc 画像形成装置
US5726759A (en) * 1995-10-27 1998-03-10 Canon Kabushiki Kaisha Image forming apparatus
DE69627803T2 (de) * 1995-12-26 2004-04-01 Canon K.K. Lebensdaueranzeigegerät eines aufgeladenen Bildträgerteiles, Anzeigeverfahren dafür, und Bilderzeugungsgerät
DE69725364T2 (de) * 1996-03-04 2004-06-24 Canon K.K. Bilderzeugungsgerät
JP3416383B2 (ja) * 1996-03-05 2003-06-16 キヤノン株式会社 画像形成装置
JPH10161402A (ja) * 1996-11-27 1998-06-19 Minolta Co Ltd 画像形成装置
US6421508B2 (en) * 1998-08-31 2002-07-16 Canon Kabushiki Kaisha System for preventing retransfer of a toner image between an intermediate transfer member and an image bearing member
JP4323068B2 (ja) * 2000-08-28 2009-09-02 東芝テック株式会社 画像形成装置
JP4497682B2 (ja) * 2000-09-01 2010-07-07 キヤノン株式会社 画像形成装置
US6738586B2 (en) * 2001-03-09 2004-05-18 Hitachi Printing Solutions, Ltd. Print control method of electrophotograph and image formation apparatus with potential sensor using the method
KR100433539B1 (ko) * 2002-02-06 2004-05-31 삼성전자주식회사 감광체의 막두께 변화를 보상하는 화상형성장치 및 현상량보상방법
US7319829B2 (en) * 2005-08-26 2008-01-15 Lexmark International, Inc. Transfer bias adjustment based on component life
JP4876573B2 (ja) * 2005-12-26 2012-02-15 富士ゼロックス株式会社 画像形成装置及び層厚算出方法
US8559832B2 (en) * 2010-03-30 2013-10-15 Xerox Corporation Imaging apparatus and method of predicting the photoreceptor replacement interval

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3749488A (en) * 1972-05-15 1973-07-31 Dick Co Ab Exposure control in electrostatic photocopying processes
CA1091756A (en) * 1975-10-14 1980-12-16 Eastman Kodak Company Electrophotographic apparatus having compensation for changes in sensitometric properties of photoconductors
JPS57163276A (en) * 1981-04-01 1982-10-07 Canon Inc Picture forming device
JPS5848068A (ja) * 1981-09-17 1983-03-19 Fuji Electric Co Ltd 感光層の非接触誘電率測定方法
JPS58136057A (ja) * 1982-02-08 1983-08-12 Canon Inc 高圧発生装置
JPS5969774A (ja) * 1982-10-14 1984-04-20 Fuji Electric Co Ltd 電子写真用感光体の感光層膜厚測定方法
JPS59176059U (ja) * 1983-05-12 1984-11-24 株式会社リコー 複写機等の像担持体の寿命測定装置
JPS59223462A (ja) * 1983-06-03 1984-12-15 Ricoh Co Ltd 記録体電流測定システム
JPS60218671A (ja) * 1984-04-16 1985-11-01 Matsushita Electric Ind Co Ltd 電子写真複写装置
JPS6295552A (ja) * 1985-10-22 1987-05-02 Toshiba Corp 画像形成装置
US4879576A (en) * 1987-03-13 1989-11-07 Minolta Camera Kabushiki Kaisha Exposure control device and method
US4935777A (en) * 1987-07-21 1990-06-19 Sharp Kabushiki Kaisha Method of stabilizing surface potential of photoreceptor for electrophotography
JP2780775B2 (ja) * 1988-01-12 1998-07-30 株式会社リコー 感光体疲労検出装置を具備する画像形成装置
JPH02195366A (ja) * 1989-01-25 1990-08-01 Sharp Corp 画像形成装置の帯電装置

Also Published As

Publication number Publication date
EP0461656B1 (de) 1996-10-02
DE69122431D1 (de) 1996-11-07
EP0461656A2 (de) 1991-12-18
US5160967A (en) 1992-11-03
JPH04212181A (ja) 1992-08-03
EP0461656A3 (en) 1993-03-10

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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