JPS5596971A - High speed electrophotographic copying method - Google Patents

High speed electrophotographic copying method

Info

Publication number
JPS5596971A
JPS5596971A JP469079A JP469079A JPS5596971A JP S5596971 A JPS5596971 A JP S5596971A JP 469079 A JP469079 A JP 469079A JP 469079 A JP469079 A JP 469079A JP S5596971 A JPS5596971 A JP S5596971A
Authority
JP
Japan
Prior art keywords
drum
photoreceptor
images
exposure
exposure device
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
JP469079A
Other languages
Japanese (ja)
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 JP469079A priority Critical patent/JPS5596971A/en
Publication of JPS5596971A publication Critical patent/JPS5596971A/en
Pending legal-status Critical Current

Links

Landscapes

  • Combination Of More Than One Step In Electrophotography (AREA)
  • Projection-Type Copiers In General (AREA)

Abstract

PURPOSE: To make possible the use of photoreceptor of low sensitivity by using transmitted light to the exposure of the toner images to a photoreceptor.
CONSTITUTION: The exposure device 10 consisting of a white fluoeescent lamp 6, collimate lens 7, red filter 8 and shield plate 9 is disposed within the 1st drum 1 as the latent image carrier comprising subsequently evaporating and laminating an electrode, charge-generating layer and charge-transfer layer on the surface of a transparent glass cylinder. After the toner images are formed on the surface of the 1st drum 1, the 1st and 2nd drums 1, 5 are revolved at the same speed and at the same time the exposure device 10 is operated to project the toner images on the 1st drum 1 surface to the 2nd drum 5 surface as a photoreceptor by the exposure device 10 and form the 2nd latent images, after which the images are developed by the 2nd developing device 12. Thereby, the toner image exposure is accomplished with transmitted light, high illuminance obtained and the use of the 2nd drum 5 of low sensitivity made possible.
COPYRIGHT: (C)1980,JPO&Japio
JP469079A 1979-01-17 1979-01-17 High speed electrophotographic copying method Pending JPS5596971A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP469079A JPS5596971A (en) 1979-01-17 1979-01-17 High speed electrophotographic copying method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP469079A JPS5596971A (en) 1979-01-17 1979-01-17 High speed electrophotographic copying method

Publications (1)

Publication Number Publication Date
JPS5596971A true JPS5596971A (en) 1980-07-23

Family

ID=11590876

Family Applications (1)

Application Number Title Priority Date Filing Date
JP469079A Pending JPS5596971A (en) 1979-01-17 1979-01-17 High speed electrophotographic copying method

Country Status (1)

Country Link
JP (1) JPS5596971A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4352549A (en) * 1979-07-27 1982-10-05 Rank Xerox Limited Electrophotographic copying method and apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4352549A (en) * 1979-07-27 1982-10-05 Rank Xerox Limited Electrophotographic copying method and apparatus

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