CA2010623C - Toner image transferring device used in electrophotographic field - Google Patents

Toner image transferring device used in electrophotographic field

Info

Publication number
CA2010623C
CA2010623C CA002010623A CA2010623A CA2010623C CA 2010623 C CA2010623 C CA 2010623C CA 002010623 A CA002010623 A CA 002010623A CA 2010623 A CA2010623 A CA 2010623A CA 2010623 C CA2010623 C CA 2010623C
Authority
CA
Canada
Prior art keywords
paper
toner image
sheet
transfer charger
transfer
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
CA002010623A
Other languages
English (en)
French (fr)
Other versions
CA2010623A1 (en
Inventor
Masatoshi Kimura
Sachio Sasaki
Hideaki Iwasaki
Kunihiko Sato
Masao Konishi
Akiyoshi Iwamasa
Toshio Tooda
Hiroshi Nou
Shigenobu Utaka
Ryo Kitao
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.)
Fujifilm Business Innovation Corp
Original Assignee
Fujitsu 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
Priority claimed from JP1044368A external-priority patent/JPH02223980A/ja
Priority claimed from JP1044369A external-priority patent/JPH02223978A/ja
Priority claimed from JP1044367A external-priority patent/JPH0820815B2/ja
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of CA2010623A1 publication Critical patent/CA2010623A1/en
Application granted granted Critical
Publication of CA2010623C publication Critical patent/CA2010623C/en
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
    • G03G15/14—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
    • 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
    • G03G15/1645—Arrangements for controlling the amount of charge

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
CA002010623A 1989-02-25 1990-02-21 Toner image transferring device used in electrophotographic field Expired - Lifetime CA2010623C (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP1-44368 1989-02-25
JP1-44367 1989-02-25
JP1044368A JPH02223980A (ja) 1989-02-25 1989-02-25 トナー像転写装置
JP1-44369 1989-02-25
JP1044369A JPH02223978A (ja) 1989-02-25 1989-02-25 トナー像転写装置
JP1044367A JPH0820815B2 (ja) 1989-02-25 1989-02-25 トナー像転写装置

Publications (2)

Publication Number Publication Date
CA2010623A1 CA2010623A1 (en) 1990-08-25
CA2010623C true CA2010623C (en) 1995-01-24

Family

ID=27291867

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002010623A Expired - Lifetime CA2010623C (en) 1989-02-25 1990-02-21 Toner image transferring device used in electrophotographic field

Country Status (4)

Country Link
EP (1) EP0385674B1 (de)
KR (1) KR930010872B1 (de)
CA (1) CA2010623C (de)
DE (1) DE69021411T2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0436306A3 (en) * 1989-12-06 1992-03-18 Konica Corporation Image forming apparatus
US5276491A (en) * 1989-12-06 1994-01-04 Konica Corporation Image forming apparatus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5422837A (en) * 1977-07-21 1979-02-21 Ricoh Co Ltd Charge control of copying apparatus for zerography
JPS6114670A (ja) * 1984-06-30 1986-01-22 Ricoh Co Ltd 電子写真装置
US4728991A (en) * 1984-09-19 1988-03-01 Canon Kabushiki Kaisha Image forming apparatus
JPS61188570A (ja) * 1985-02-16 1986-08-22 Canon Inc 転写分離装置
JPH01201686A (ja) * 1988-02-08 1989-08-14 Ricoh Co Ltd 画像形成装置

Also Published As

Publication number Publication date
EP0385674A2 (de) 1990-09-05
DE69021411D1 (de) 1995-09-14
CA2010623A1 (en) 1990-08-25
EP0385674B1 (de) 1995-08-09
DE69021411T2 (de) 1996-02-15
KR930010872B1 (ko) 1993-11-15
KR910015895A (ko) 1991-09-30
EP0385674A3 (de) 1991-09-04

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Legal Events

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MKEX Expiry
MKEX Expiry

Effective date: 20100221