JPH0475655U - - Google Patents

Info

Publication number
JPH0475655U
JPH0475655U JP11831190U JP11831190U JPH0475655U JP H0475655 U JPH0475655 U JP H0475655U JP 11831190 U JP11831190 U JP 11831190U JP 11831190 U JP11831190 U JP 11831190U JP H0475655 U JPH0475655 U JP H0475655U
Authority
JP
Japan
Prior art keywords
image forming
period
case
forming apparatus
image
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
JP11831190U
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 JP11831190U priority Critical patent/JPH0475655U/ja
Publication of JPH0475655U publication Critical patent/JPH0475655U/ja
Pending legal-status Critical Current

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  • Control Or Security For Electrophotography (AREA)

Description

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

第1図はこの考案を適用した電子写真複写機の
構成説明図、第2図は第1図の制御部の要部を示
す電気回路図、第3図は第2図の動作を説明する
タイムチヤートである。 1……本体ケース、14……感光体ドラム、1
9……転写チヤージヤ、20……分離チヤージヤ
、24……搬送ベルト、27……冷却フアン、2
9……排気フアン、30……ダクト、31……オ
ゾン除去フイルター、M1,M2……モータ、T
1,T2……トライアツク、R1〜R4……抵抗
、S……電源スイツチ、e……電源。
Fig. 1 is an explanatory diagram of the configuration of an electrophotographic copying machine to which this invention is applied, Fig. 2 is an electric circuit diagram showing the main parts of the control section of Fig. 1, and Fig. 3 is a time diagram explaining the operation of Fig. 2. It's a chat. 1... Main body case, 14... Photosensitive drum, 1
9...Transfer charger, 20...Separation charger, 24...Transport belt, 27...Cooling fan, 2
9...Exhaust fan, 30...Duct, 31...Ozone removal filter, M1, M2...Motor, T
1, T2...Triack, R1-R4...Resistor, S...Power switch, e...Power supply.

Claims (1)

【実用新案登録請求の範囲】 感光体上に原稿画像を結像し、形成された静電
潜像を現像し、現像された画像を転写チヤージヤ
によつて転写紙に転写し、その転写紙を分離チヤ
ージヤによつて感光体から分離した後、定着する
よう構成した画像形成装置において、 画像形成装置を収容するケースと、ケース内の
空気を排出する冷却フアンと、分離チヤージヤお
よび転写チヤージヤの発生するオゾンをケース外
へ排気する排気フアンとを備え、さらに、 冷却フアンを、最初の所定期間をのぞく画像形
成期間中に中速で駆動するとともにこの中速駆動
期間以外では低速で駆動し、 排気フアンを、画像形成期間とその終了後の所
定期間には高速で駆動するとともにこの高速駆動
期間以外では中速で駆動する制御手段を備えたこ
とを特徴とする画像形成装置のオゾン除去装置。
[Scope of Claim for Utility Model Registration] A document image is formed on a photoreceptor, the formed electrostatic latent image is developed, the developed image is transferred to transfer paper by a transfer charger, and the transfer paper is An image forming apparatus configured to be separated from a photoreceptor by a separation charger and then fixed, includes a case that houses the image forming apparatus, a cooling fan that discharges air from the case, and a case that generates a separation charge and a transfer charge. The cooling fan is provided with an exhaust fan that exhausts ozone out of the case, and further includes a cooling fan that is driven at a medium speed during the image forming period except for the first predetermined period and at a low speed outside the medium speed driving period. 1. An ozone removal device for an image forming apparatus, characterized in that the ozone removal device for an image forming apparatus is provided with a control means for driving the following at high speed during an image forming period and a predetermined period after the end of the image forming period, and driving at a medium speed outside the high speed driving period.
JP11831190U 1990-11-09 1990-11-09 Pending JPH0475655U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11831190U JPH0475655U (en) 1990-11-09 1990-11-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11831190U JPH0475655U (en) 1990-11-09 1990-11-09

Publications (1)

Publication Number Publication Date
JPH0475655U true JPH0475655U (en) 1992-07-02

Family

ID=31866230

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11831190U Pending JPH0475655U (en) 1990-11-09 1990-11-09

Country Status (1)

Country Link
JP (1) JPH0475655U (en)

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