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
Links
- 239000011521 glass Substances 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 2
- 238000007664 blowing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 1
Landscapes
- Dot-Matrix Printers And Others (AREA)
- Laser Beam Printer (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
Description
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)
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.
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)
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)
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 |
-
1990
- 1990-01-09 JP JP69490U patent/JPH0392651U/ja active Pending
Patent Citations (2)
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)
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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