JPS535631A - Method and device for preventing toner from scattering to optical system of electrophotographic copier - Google Patents

Method and device for preventing toner from scattering to optical system of electrophotographic copier

Info

Publication number
JPS535631A
JPS535631A JP7950876A JP7950876A JPS535631A JP S535631 A JPS535631 A JP S535631A JP 7950876 A JP7950876 A JP 7950876A JP 7950876 A JP7950876 A JP 7950876A JP S535631 A JPS535631 A JP S535631A
Authority
JP
Japan
Prior art keywords
optical system
scattering
preventing toner
electrophotographic copier
copier
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
JP7950876A
Other languages
Japanese (ja)
Other versions
JPS5850346B2 (en
Inventor
Hajime Koyama
Hiroharu Suzuki
Manabu Mochizuki
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 JP7950876A priority Critical patent/JPS5850346B2/en
Publication of JPS535631A publication Critical patent/JPS535631A/en
Publication of JPS5850346B2 publication Critical patent/JPS5850346B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)

Abstract

PURPOSE:To prevent attachment of toner to the light transmission system of the copier using a convergent light transmitter as an optical system for exposure.
JP7950876A 1976-07-06 1976-07-06 Method and device for preventing toner scattering in the optical system of an electrophotographic copying machine Expired JPS5850346B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7950876A JPS5850346B2 (en) 1976-07-06 1976-07-06 Method and device for preventing toner scattering in the optical system of an electrophotographic copying machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7950876A JPS5850346B2 (en) 1976-07-06 1976-07-06 Method and device for preventing toner scattering in the optical system of an electrophotographic copying machine

Publications (2)

Publication Number Publication Date
JPS535631A true JPS535631A (en) 1978-01-19
JPS5850346B2 JPS5850346B2 (en) 1983-11-10

Family

ID=13691878

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7950876A Expired JPS5850346B2 (en) 1976-07-06 1976-07-06 Method and device for preventing toner scattering in the optical system of an electrophotographic copying machine

Country Status (1)

Country Link
JP (1) JPS5850346B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4970552A (en) * 1987-05-29 1990-11-13 Ricoh Company, Ltd. Toner contamination preventive means
US5390006A (en) * 1991-11-29 1995-02-14 Ricoh Company Ltd. Imaging forming apparatus with improved exhaust flow

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4970552A (en) * 1987-05-29 1990-11-13 Ricoh Company, Ltd. Toner contamination preventive means
US5390006A (en) * 1991-11-29 1995-02-14 Ricoh Company Ltd. Imaging forming apparatus with improved exhaust flow

Also Published As

Publication number Publication date
JPS5850346B2 (en) 1983-11-10

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