JPH03122462U - - Google Patents

Info

Publication number
JPH03122462U
JPH03122462U JP1990029646U JP2964690U JPH03122462U JP H03122462 U JPH03122462 U JP H03122462U JP 1990029646 U JP1990029646 U JP 1990029646U JP 2964690 U JP2964690 U JP 2964690U JP H03122462 U JPH03122462 U JP H03122462U
Authority
JP
Japan
Prior art keywords
photosensitive drum
charger
charges
medium
electrostatic latent
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.)
Pending
Application number
JP1990029646U
Other languages
English (en)
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 filed Critical
Priority to JP1990029646U priority Critical patent/JPH03122462U/ja
Priority to US07/665,965 priority patent/US5144383A/en
Priority to DE69103560T priority patent/DE69103560T2/de
Priority to EP91302290A priority patent/EP0449470B1/en
Publication of JPH03122462U publication Critical patent/JPH03122462U/ja
Pending 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)

Description

【図面の簡単な説明】
第１図は本考案の実施例を示す電子写真プリン
タの転写器の構成図、第２図は従来の電子写真プ
リンタの概略構成図、第３図は従来の電子写真プ
リンタの転写器を示す図、第４図は従来の電子写
真プリンタの転写動作を示す図である。 ２……媒体、５ａ……プレツシヤローラ、５ｂ
……フイードローラ、７……感光ドラム、１０…
…転写器、１２ａ……ヒートローラ、１２ｂ……
バツクアツプローラ、２１……導電性材料。

Claims (1)

  1. 【実用新案登録請求の範囲】 (a) 感光ドラムと、 (b) 上記感光ドラムに対向して設けられ感光ド
    ラムの表面を帯電する帯電器と、 (c) 帯電された感光体を露光して静電潜像を形
    成する露光装置と、 (d) 上記感光ドラムに対向して設けられ、上記
    静電潜像にトナーを付着させトナー像を形成する
    現像器と、 (e) 感光ドラムに対向して設けられ、トナー像
    を媒体に転写する転写器と、 (f) 転写されたトナー像を媒体に定着する手段
    を有しており、 (g) 上記転写器において、搬送される媒体に初
    めて接触する部分には、媒体が帯びている電荷を
    徐々に放電する導電性材料が配設されていること
    を特徴とする電子写真プリンタの転写器。
JP1990029646U 1990-03-26 1990-03-26 Pending JPH03122462U (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP1990029646U JPH03122462U (ja) 1990-03-26 1990-03-26
US07/665,965 US5144383A (en) 1990-03-26 1991-03-07 Transfer assembly of electrophotographic printer
DE69103560T DE69103560T2 (de) 1990-03-26 1991-03-18 Übertragungseinheit für einen elektrofotografischen Drucker.
EP91302290A EP0449470B1 (en) 1990-03-26 1991-03-18 Transfer assembly of electrophotographic printer

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
JPH03122462U true JPH03122462U (ja) 1991-12-13

Family

ID=12281867

Family Applications (1)

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

Country Status (4)

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

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
US7539447B2 (en) * 2005-01-28 2009-05-26 Brother Kogyo Kabushiki Kaisha Image-forming device for absorbing vibration of guide plate
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
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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58136070A (ja) * 1982-02-05 1983-08-12 Fuji Xerox Co Ltd 転写装置
JPS59177580A (ja) * 1983-03-28 1984-10-08 Fuji Xerox Co Ltd 転写コロトロン
JPS6133056B2 (ja) * 1981-11-09 1986-07-31 Mitsubishi Metal Corp

Family Cites Families (6)

* 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
JPS58172668A (ja) * 1982-04-02 1983-10-11 Ricoh Co Ltd 転写コロナ放電器
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6133056B2 (ja) * 1981-11-09 1986-07-31 Mitsubishi Metal Corp
JPS58136070A (ja) * 1982-02-05 1983-08-12 Fuji Xerox Co Ltd 転写装置
JPS59177580A (ja) * 1983-03-28 1984-10-08 Fuji Xerox Co Ltd 転写コロトロン

Also Published As

Publication number Publication date
EP0449470A3 (en) 1992-11-04
EP0449470A2 (en) 1991-10-02
DE69103560T2 (de) 1995-04-20
DE69103560D1 (de) 1994-09-29
US5144383A (en) 1992-09-01
EP0449470B1 (en) 1994-08-24

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