DE69103560T2 - Übertragungseinheit für einen elektrofotografischen Drucker. - Google Patents

Übertragungseinheit für einen elektrofotografischen Drucker.

Info

Publication number
DE69103560T2
DE69103560T2 DE69103560T DE69103560T DE69103560T2 DE 69103560 T2 DE69103560 T2 DE 69103560T2 DE 69103560 T DE69103560 T DE 69103560T DE 69103560 T DE69103560 T DE 69103560T DE 69103560 T2 DE69103560 T2 DE 69103560T2
Authority
DE
Germany
Prior art keywords
recording medium
transfer
photoconductor drum
conductive material
transfer unit
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
DE69103560T
Other languages
German (de)
English (en)
Other versions
DE69103560D1 (de
Inventor
Toshiro Murano
Masato Sakai
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.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry 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 Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Publication of DE69103560D1 publication Critical patent/DE69103560D1/de
Application granted granted Critical
Publication of DE69103560T2 publication Critical patent/DE69103560T2/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
    • G03G15/14—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
    • G03G15/163—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 using the force produced by an electrostatic transfer field formed between the second base and the electrographic recording member, e.g. transfer through an air gap
    • G03G15/1635—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 using the force produced by an electrostatic transfer field formed between the second base and the electrographic recording member, e.g. transfer through an air gap the field being produced by laying down an electrostatic charge behind the base or the recording member, e.g. by a corona device

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
DE69103560T 1990-03-26 1991-03-18 Übertragungseinheit für einen elektrofotografischen Drucker. Expired - Fee Related DE69103560T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990029646U JPH03122462U (enExample) 1990-03-26 1990-03-26

Publications (2)

Publication Number Publication Date
DE69103560D1 DE69103560D1 (de) 1994-09-29
DE69103560T2 true DE69103560T2 (de) 1995-04-20

Family

ID=12281867

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69103560T Expired - Fee Related DE69103560T2 (de) 1990-03-26 1991-03-18 Übertragungseinheit für einen elektrofotografischen Drucker.

Country Status (4)

Country Link
US (1) US5144383A (enExample)
EP (1) EP0449470B1 (enExample)
JP (1) JPH03122462U (enExample)
DE (1) DE69103560T2 (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4305686C2 (de) * 1992-02-24 1999-07-15 Fujitsu Ltd Tonerbild-Übertragungsvorrichtung einschließlich einer Übertragungsladevorrichtung und einer Wechselspannungs-Ladungslöschvorrichtung
US5499086A (en) * 1992-07-17 1996-03-12 Hitachi, Ltd. Belt type transfer device for electrophotographic apparatus
JP3223004B2 (ja) * 1993-09-21 2001-10-29 株式会社東芝 画像形成装置
US5713063A (en) * 1994-08-03 1998-01-27 Kabushiki Kaisha Toshiba Electrostatic image transfer device having a two level transfer voltage for improving image quality at leading and trailing edge regions
JP3398007B2 (ja) * 1997-04-08 2003-04-21 シャープ株式会社 転写装置
JP3839969B2 (ja) * 1998-07-21 2006-11-01 キヤノン株式会社 画像形成装置
JP4217676B2 (ja) * 2004-09-06 2009-02-04 キヤノン株式会社 画像形成装置
EP1686429B1 (en) * 2005-01-28 2016-08-03 Brother Kogyo Kabushiki Kaisha Process cartridge and image forming apparatus with guide members for guiding a recording medium towards the image carrying member
US7542709B2 (en) * 2005-01-28 2009-06-02 Brother Kogyo Kabushiki Kaisha Image-forming device for suppressing recording sheet from flapping when transferring toner images thereon
US7539448B2 (en) * 2005-01-28 2009-05-26 Brother Kogyo Kabushiki Kaisha Image-forming device for suppressing vibration of guide plate and jams of recording sheet
US7539447B2 (en) * 2005-01-28 2009-05-26 Brother Kogyo Kabushiki Kaisha Image-forming device for absorbing vibration of guide plate

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3924943A (en) * 1974-06-11 1975-12-09 Xerox Corp Segmented biased transfer member
US4055380A (en) * 1975-10-29 1977-10-25 Xerox Corporation Transfer charge maintaining system
JPS5881954A (ja) * 1981-11-09 1983-05-17 Mitsubishi Metal Corp 耐摩耗性および自己潤滑性にすぐれた高強度鉄基焼結合金
JPS58136070A (ja) * 1982-02-05 1983-08-12 Fuji Xerox Co Ltd 転写装置
JPS58172668A (ja) * 1982-04-02 1983-10-11 Ricoh Co Ltd 転写コロナ放電器
JPS59177580A (ja) * 1983-03-28 1984-10-08 Fuji Xerox Co Ltd 転写コロトロン
JPH073615B2 (ja) * 1985-11-26 1995-01-18 松下電器産業株式会社 コロナ転写装置
JPS6383741A (ja) * 1986-09-29 1988-04-14 Fuji Xerox Co Ltd 静電転写装置
US4823158A (en) * 1987-06-22 1989-04-18 Xerox Corporation Biased pretransfer baffle

Also Published As

Publication number Publication date
DE69103560D1 (de) 1994-09-29
EP0449470A3 (en) 1992-11-04
JPH03122462U (enExample) 1991-12-13
EP0449470A2 (en) 1991-10-02
EP0449470B1 (en) 1994-08-24
US5144383A (en) 1992-09-01

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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