JPH0392651U - - Google Patents

Info

Publication number
JPH0392651U
JPH0392651U JP69490U JP69490U JPH0392651U JP H0392651 U JPH0392651 U JP H0392651U JP 69490 U JP69490 U JP 69490U JP 69490 U JP69490 U JP 69490U JP H0392651 U JPH0392651 U JP H0392651U
Authority
JP
Japan
Prior art keywords
hood
duct
light beam
blower
window
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
JP69490U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP69490U priority Critical patent/JPH0392651U/ja
Publication of JPH0392651U publication Critical patent/JPH0392651U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Dot-Matrix Printers And Others (AREA)
  • Laser Beam Printer (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の一実施例になる電子写真プリ
ンタを示す図、第２図は浮遊トナーの防塵ガラス
への付着防止を説明する図、第３図は従来例を示
す図である。 図において、１……電子写真プリンタ本体、２
……感光ドラム、３……光学ユニツト、４……現
像ユニツト、９……ハウジング、１２……走査光
ビーム、１５……窓、１６……防塵ガラス、１８
……浮遊トナー、２０……フード、２０ａ……開
口、２１……ダクト、２２……開口窓、２３……
フイルタ、２４……送風機、２６……送風機より
送り出された空気流、２７……フードからの吹き
出し空気流、を示す。 FIG. 1 is a diagram showing an electrophotographic printer according to an embodiment of the present invention, FIG. 2 is a diagram illustrating prevention of adhesion of floating toner to dustproof glass, and FIG. 3 is a diagram showing a conventional example. In the figure, 1...electrophotographic printer main body, 2
...Photosensitive drum, 3...Optical unit, 4...Developing unit, 9...Housing, 12...Scanning light beam, 15...Window, 16...Dust-proof glass, 18
...Floating toner, 20...Hood, 20a...Opening, 21...Duct, 22...Opening window, 23...
A filter, 24...Blower, 26...Air flow sent out from the blower, and 27...Air flow blown out from the hood.

Claims (1)

【実用新案登録請求の範囲】 光ビーム１２が通過する窓１５に防塵ガラス１
６を設けてなる光学ユニツト３を、像担持体２に
対向配置してなる電子写真プリンタにおいて、 上記窓１５に、上記光ビーム１２を遮ぎらない
ようにフード２０を設け、 該フードに連通するダクト２１を設け、 該ダクト内に送風する送風機２４を設けてなり
、 該送風機２４により送り出された空気が上記ダ
クト２１を通して上記フード２０内に流れ込み、
該フード２０の開口２０ａより吹き出す構成の電
子写真プリンタ。[Claims for Utility Model Registration] Dust-proof glass 1 is provided in the window 15 through which the light beam 12 passes.
In an electrophotographic printer in which an optical unit 3 including a light beam 6 is disposed facing the image carrier 2, a hood 20 is provided on the window 15 so as not to block the light beam 12, and the hood 20 communicates with the hood. A duct 21 is provided, and a blower 24 for blowing air is provided in the duct, and the air sent out by the blower 24 flows into the hood 20 through the duct 21.
An electrophotographic printer configured to emit air from an opening 20a of the hood 20.
JP69490U 1990-01-09 1990-01-09 Pending JPH0392651U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP69490U JPH0392651U (en) 1990-01-09 1990-01-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP69490U JPH0392651U (en) 1990-01-09 1990-01-09

Publications (1)

Publication Number Publication Date
JPH0392651U true JPH0392651U (en) 1991-09-20

Family

ID=31504633

Family Applications (1)

Application Number Title Priority Date Filing Date
JP69490U Pending JPH0392651U (en) 1990-01-09 1990-01-09

Country Status (1)

Country Link
JP (1) JPH0392651U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6308024B1 (en) 1999-08-30 2001-10-23 Fuji Xerox Co., Ltd. Dust protector for image exposure device and image forming apparatus utilizing the same
JP2005157049A (en) * 2003-11-27 2005-06-16 Noritsu Koki Co Ltd Scanning optical device and photographic processing apparatus equipped with same

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61201231A (en) * 1985-03-04 1986-09-05 Fuji Xerox Co Ltd Dirt preventing device of copying machine optical system
JPH03142486A (en) * 1989-10-30 1991-06-18 Mita Ind Co Ltd Cooler for optical system of image forming device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61201231A (en) * 1985-03-04 1986-09-05 Fuji Xerox Co Ltd Dirt preventing device of copying machine optical system
JPH03142486A (en) * 1989-10-30 1991-06-18 Mita Ind Co Ltd Cooler for optical system of image forming device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6308024B1 (en) 1999-08-30 2001-10-23 Fuji Xerox Co., Ltd. Dust protector for image exposure device and image forming apparatus utilizing the same
JP2005157049A (en) * 2003-11-27 2005-06-16 Noritsu Koki Co Ltd Scanning optical device and photographic processing apparatus equipped with same

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