JPH0427464U - - Google Patents
Info
- Publication number
- JPH0427464U JPH0427464U JP6890590U JP6890590U JPH0427464U JP H0427464 U JPH0427464 U JP H0427464U JP 6890590 U JP6890590 U JP 6890590U JP 6890590 U JP6890590 U JP 6890590U JP H0427464 U JPH0427464 U JP H0427464U
- Authority
- JP
- Japan
- Prior art keywords
- photoreceptor
- image forming
- forming apparatus
- ventilation
- exhaust duct
- 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
- 108091008695 photoreceptors Proteins 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims 3
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Cleaning In Electrography (AREA)
- Treating Waste Gases (AREA)
Description
第１図はこの考案の実施例の正面図、第２図は
同上の通気路及び感光体ドラムの配置を示す側板
の正面図、第３図は排気ダクトの縦断正面図、第
４図は排気ダクトと遮蔽板との位置的関係を示す
説明図、第５図はタイムチヤート及び各部の風量
を示す説明図である。
１……感光体ドラム、２……帯電チヤージヤ、
７……転写前チヤージヤ、１０……転写チヤージ
ヤ、１１……分離チヤージヤ、１４……クエンチ
ングチヤージヤ、２１……側板、２２〜２６……
孔、２２′〜２５′……吸気パイプ、３０……吸
気ダクト、３１……排気パイプ、３２……第１フ
イルタ、３３……第２フイルタ、３４……排気フ
アン、３５……外装カバー、３６……遮蔽板、３
７……基板、３９……中心軸、４１……レバー、
４２……ソレノイド。
Fig. 1 is a front view of an embodiment of this invention, Fig. 2 is a front view of the side plate showing the arrangement of the air passage and photoreceptor drum, Fig. 3 is a longitudinal sectional front view of the exhaust duct, and Fig. 4 is the exhaust FIG. 5 is an explanatory diagram showing the positional relationship between the duct and the shielding plate, and FIG. 5 is an explanatory diagram showing the time chart and the air volume of each part. 1...Photosensitive drum, 2...Electrostatic charger,
7... Pre-transfer charger, 10... Transfer charger, 11... Separation charger, 14... Quenching charger, 21... Side plate, 22-26...
Hole, 22' to 25'...Intake pipe, 30...Intake duct, 31...Exhaust pipe, 32...First filter, 33...Second filter, 34...Exhaust fan, 35...Exterior cover, 36...shielding plate, 3
7... Board, 39... Center shaft, 41... Lever,
42... Solenoid.
Claims (1)
のコロナ放電器と、現像器と、内部に排気フアン
及びフイルタが設けられている排気ダクトとを有
し、該排気ダクトは前記コロナ放電器の近くと通
気路を介して連通している画像形成装置において
、前記通気路の少くとも１つを遮蔽する遮蔽手段
と、前記コロナ放電器の放電が終了したあと前記
遮蔽手段を作動して前記通気路を遮蔽する作動手
段とを具えていることを特徴とする画像形成装置
。 It has a photoreceptor, a plurality of corona dischargers for removing charge from the photoreceptor, a developing device, and an exhaust duct in which an exhaust fan and a filter are provided, and the exhaust duct is connected to the corona discharger. an image forming apparatus that communicates with the vicinity of the corona discharger via a ventilation passage, the shielding means for shielding at least one of the ventilation passages; 1. An image forming apparatus comprising: an actuating means for blocking a ventilation path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6890590U JPH0427464U (en) | 1990-06-28 | 1990-06-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6890590U JPH0427464U (en) | 1990-06-28 | 1990-06-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0427464U true JPH0427464U (en) | 1992-03-04 |
Family
ID=31603752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6890590U Pending JPH0427464U (en) | 1990-06-28 | 1990-06-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0427464U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0631623U (en) * | 1992-10-05 | 1994-04-26 | 有限会社竹井器物製作所 | Water heater equipped with a blowing device |
-
1990
- 1990-06-28 JP JP6890590U patent/JPH0427464U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0631623U (en) * | 1992-10-05 | 1994-04-26 | 有限会社竹井器物製作所 | Water heater equipped with a blowing device |
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