JPS6337377B2 - - Google Patents

Info

Publication number
JPS6337377B2
JPS6337377B2 JP54099216A JP9921679A JPS6337377B2 JP S6337377 B2 JPS6337377 B2 JP S6337377B2 JP 54099216 A JP54099216 A JP 54099216A JP 9921679 A JP9921679 A JP 9921679A JP S6337377 B2 JPS6337377 B2 JP S6337377B2
Authority
JP
Japan
Prior art keywords
toner
developer
black
carrier
polarity
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
Application number
JP54099216A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5624359A (en
Inventor
Shuichi Tsushima
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
Priority to JP9921679A priority Critical patent/JPS5624359A/ja
Priority to DE3029344A priority patent/DE3029344C2/de
Publication of JPS5624359A publication Critical patent/JPS5624359A/ja
Priority to US06/393,235 priority patent/US4430402A/en
Publication of JPS6337377B2 publication Critical patent/JPS6337377B2/ja
Granted 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
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/09—Colouring agents for toner particles
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G13/00—Electrographic processes using a charge pattern
    • G03G13/01—Electrographic processes using a charge pattern for multicoloured copies
    • G03G13/013—Electrographic processes using a charge pattern for multicoloured copies characterised by the developing step, e.g. the properties of the colour developers
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/09—Colouring agents for toner particles
    • G03G9/0906—Organic dyes
    • G03G9/0912—Indigoid; Diaryl and Triaryl methane; Oxyketone dyes
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/10—Developers with toner particles characterised by carrier particles
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/10—Developers with toner particles characterised by carrier particles
    • G03G9/113—Developers with toner particles characterised by carrier particles having coatings applied thereto

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Developing Agents For Electrophotography (AREA)
JP9921679A 1979-08-02 1979-08-02 Dry type binary developer for two-color electrophotography Granted JPS5624359A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP9921679A JPS5624359A (en) 1979-08-02 1979-08-02 Dry type binary developer for two-color electrophotography
DE3029344A DE3029344C2 (de) 1979-08-02 1980-08-01 Trockenentwicklerpaar für ein elektrophotographisches Zweifarben-Aufzeichnungsverfahren und dessen Verwendung
US06/393,235 US4430402A (en) 1979-08-02 1982-06-29 Dichromatic electrophotography using two developer compositions applied sequentially

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9921679A JPS5624359A (en) 1979-08-02 1979-08-02 Dry type binary developer for two-color electrophotography

Publications (2)

Publication Number Publication Date
JPS5624359A JPS5624359A (en) 1981-03-07
JPS6337377B2 true JPS6337377B2 (en]) 1988-07-25

Family

ID=14241454

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9921679A Granted JPS5624359A (en) 1979-08-02 1979-08-02 Dry type binary developer for two-color electrophotography

Country Status (3)

Country Link
US (1) US4430402A (en])
JP (1) JPS5624359A (en])
DE (1) DE3029344C2 (en])

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58105173A (ja) * 1981-12-17 1983-06-22 Fujitsu Ltd 多色記録装置
US4562129A (en) * 1982-09-28 1985-12-31 Minolta Camera Kabushiki Kaisha Method of forming monochromatic or dichromatic copy images
JPS61174556A (ja) * 1985-01-29 1986-08-06 Konishiroku Photo Ind Co Ltd 画像形成方法
JPS61174566A (ja) * 1985-01-29 1986-08-06 Fujitsu Ltd 多色記録装置
JPH0193759A (ja) * 1987-10-05 1989-04-12 Canon Inc カラー画像形成方法及びその装置
US4868608A (en) * 1988-01-04 1989-09-19 Xerox Corporation Highlight color imaging apparatus
JP2822397B2 (ja) * 1988-10-19 1998-11-11 富士ゼロックス株式会社 画像形成方法
US4948686A (en) * 1989-04-24 1990-08-14 Xerox Corporation Process for forming two-color images
US5021838A (en) * 1989-08-03 1991-06-04 Xerox Corporation Preferred toner/carrier properties
US5281502A (en) * 1992-06-08 1994-01-25 Xerox Corporation Tri-level imaging processes with adjustable color
JP4065513B2 (ja) * 2001-10-22 2008-03-26 キヤノン株式会社 フルカラー画像形成方法及び二成分系現像剤キット

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE576841A (en]) 1958-03-20
US3901698A (en) 1971-12-10 1975-08-26 Rank Xerox Ltd Method of reversal development using two electrostatic developers
BE793098A (fr) 1971-12-30 1973-06-20 Xerox Corp Developpateur electrostatographique
US3804619A (en) * 1972-12-18 1974-04-16 Xerox Corp Color electrophotographic imaging process
US4250239A (en) 1977-06-09 1981-02-10 Ricoh Company, Ltd. Color electrostatographic process and material
US4335194A (en) * 1978-02-20 1982-06-15 Ricoh Company, Ltd. Two color electrophotographic process and material

Also Published As

Publication number Publication date
DE3029344C2 (de) 1983-03-31
DE3029344A1 (de) 1981-02-05
JPS5624359A (en) 1981-03-07
US4430402A (en) 1984-02-07

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