JPS543537A - Dichromatic electrophotographic copying method - Google Patents

Dichromatic electrophotographic copying method

Info

Publication number
JPS543537A
JPS543537A JP6834377A JP6834377A JPS543537A JP S543537 A JPS543537 A JP S543537A JP 6834377 A JP6834377 A JP 6834377A JP 6834377 A JP6834377 A JP 6834377A JP S543537 A JPS543537 A JP S543537A
Authority
JP
Japan
Prior art keywords
dichromatic
electrophotographic copying
copying method
toners
exposure
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.)
Granted
Application number
JP6834377A
Other languages
Japanese (ja)
Other versions
JPS6023347B2 (en
Inventor
Toshio 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.)
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 JP52068343A priority Critical patent/JPS6023347B2/en
Priority to US05/912,273 priority patent/US4250239A/en
Priority to DE2825385A priority patent/DE2825385C3/en
Publication of JPS543537A publication Critical patent/JPS543537A/en
Priority to DE19822857807 priority patent/DE2857807C2/en
Publication of JPS6023347B2 publication Critical patent/JPS6023347B2/en
Expired legal-status Critical Current

Links

Abstract

PURPOSE: To make process and apparatus construction relatively simple by combining respectively two kinds of specific photoconductive layers, charging, exposure and toners.
COPYRIGHT: (C)1979,JPO&Japio
JP52068343A 1977-06-09 1977-06-09 Two-color electrophotographic copying method Expired JPS6023347B2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP52068343A JPS6023347B2 (en) 1977-06-09 1977-06-09 Two-color electrophotographic copying method
US05/912,273 US4250239A (en) 1977-06-09 1978-06-05 Color electrostatographic process and material
DE2825385A DE2825385C3 (en) 1977-06-09 1978-06-09 Electrophotographic process for making two-color records
DE19822857807 DE2857807C2 (en) 1977-06-09 1982-07-08 Electrophotographic process for making two-color records

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52068343A JPS6023347B2 (en) 1977-06-09 1977-06-09 Two-color electrophotographic copying method

Publications (2)

Publication Number Publication Date
JPS543537A true JPS543537A (en) 1979-01-11
JPS6023347B2 JPS6023347B2 (en) 1985-06-07

Family

ID=13371088

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52068343A Expired JPS6023347B2 (en) 1977-06-09 1977-06-09 Two-color electrophotographic copying method

Country Status (1)

Country Link
JP (1) JPS6023347B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55100570A (en) * 1979-01-24 1980-07-31 Ricoh Co Ltd Multicolor electrophotographic copying method
JPS5622443A (en) * 1979-07-31 1981-03-03 Ricoh Co Ltd Latent image forming method
JPS56106251A (en) * 1980-01-30 1981-08-24 Ricoh Co Ltd Copying method

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61211563A (en) * 1985-03-15 1986-09-19 Fuji Tekkosho:Kk Speed change mechanism for transmission

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55100570A (en) * 1979-01-24 1980-07-31 Ricoh Co Ltd Multicolor electrophotographic copying method
JPS5622443A (en) * 1979-07-31 1981-03-03 Ricoh Co Ltd Latent image forming method
JPS56106251A (en) * 1980-01-30 1981-08-24 Ricoh Co Ltd Copying method

Also Published As

Publication number Publication date
JPS6023347B2 (en) 1985-06-07

Similar Documents

Publication Publication Date Title
JPS53116844A (en) Magnetic brush type developing apparatus for zerographic copying machine
JPS5345245A (en) Electrostatic latent image developing apparatus
JPS5393842A (en) Method and apparatus for developing electrostatic latent image
JPS5430043A (en) Copier acting as facsimile
JPS545730A (en) Developing method of electrostatic latent image
JPS5425830A (en) Image forming method in electrophotographic copiers and others
JPS543537A (en) Dichromatic electrophotographic copying method
JPS53133444A (en) Electrophotographic photoreceptor
JPS5422828A (en) Development for electrostatic photography
JPS5417846A (en) Dichromatic electrophotographic copying method
JPS53121623A (en) Dichromatic electrophotographic copying method
JPS51133028A (en) Electrophotographic development method
JPS5427433A (en) Transfer method
JPS522533A (en) Electrophotographic copying method and apparatus
JPS5437745A (en) Method and apparatus for electrophotographic dichromatic copying
JPS53102037A (en) Sustained electrical insulating electrophotography
JPS52123622A (en) Developing agent mixture
JPS5223348A (en) Method for cleaning photosensitive material
JPS5437746A (en) Method and apparatus for electrophotographic dichromatic copying
JPS5434841A (en) Dichromatic electrophotographic copying method
JPS5233731A (en) Method for earthing electrophotographic film
JPS53106048A (en) Developing and cleaning device in electrophotography
JPS522534A (en) Electrophtographic copying method and apparatus
JPS53130036A (en) Toner for electrical latent image
JPS53133442A (en) Electrophotographic method and apparatus