JPS55159464A - Copying machine - Google Patents

Copying machine

Info

Publication number
JPS55159464A
JPS55159464A JP6607179A JP6607179A JPS55159464A JP S55159464 A JPS55159464 A JP S55159464A JP 6607179 A JP6607179 A JP 6607179A JP 6607179 A JP6607179 A JP 6607179A JP S55159464 A JPS55159464 A JP S55159464A
Authority
JP
Japan
Prior art keywords
original
portions
exposure lamp
photosensitive drum
those
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
JP6607179A
Other languages
Japanese (ja)
Inventor
Masao Hosaka
Koji Sakamoto
Tsutomu Watanabe
Tadashi Yamashita
Isao Nakamura
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 JP6607179A priority Critical patent/JPS55159464A/en
Publication of JPS55159464A publication Critical patent/JPS55159464A/en
Pending legal-status Critical Current

Links

Landscapes

  • Exposure Or Original Feeding In Electrophotography (AREA)

Abstract

PURPOSE:To eliminate so-called ''solid images'' other than those of the original wihtout using pressure plate by providing a means of letting the radiation light to the portions other than the original reflect to the portions of a photosensitive drum opposing to the portions other than the original. CONSTITUTION:A reflecting device 15 which is capable of moving its notch part according to the sizes of the originals is provided between an exposure lamp 3 and contact lens 2. The said reflecting device 15 is installed behind the scanning direction so that at the time when the exposure lamp 3 radiates onto the original 1, the radiation light is not shielded by the notched part 27 of the reflecting plate 38. At the time of copying, the exposure device performs scanning and the reflecting device 15 also moves together with the exposure lamp 3 so that the radiation light from the exposure lamp 3 to the portions other than the original 1 is reflected by the reflecting plate 15, thus the surface potential of the portion corresponding to those other than the original of the photosensitive drum 9 lowers and is not developed and the ''solid images'' of the portions other than the original on the copy are reduced. Further, a destaticizer 59 is provided to the portion corresponding to those other than the original of the photosensitive drum 9.
JP6607179A 1979-05-30 1979-05-30 Copying machine Pending JPS55159464A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6607179A JPS55159464A (en) 1979-05-30 1979-05-30 Copying machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6607179A JPS55159464A (en) 1979-05-30 1979-05-30 Copying machine

Publications (1)

Publication Number Publication Date
JPS55159464A true JPS55159464A (en) 1980-12-11

Family

ID=13305236

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6607179A Pending JPS55159464A (en) 1979-05-30 1979-05-30 Copying machine

Country Status (1)

Country Link
JP (1) JPS55159464A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6016153U (en) * 1983-07-11 1985-02-02 コニカ株式会社 Copy machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6016153U (en) * 1983-07-11 1985-02-02 コニカ株式会社 Copy machine

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