JPH036645U

JPH036645U -

Info

Publication number: JPH036645U
Application number: JP6713189U
Authority: JP
Priority date: 1989-06-08
Filing date: 1989-06-08
Publication date: 1991-01-23

Description

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

第１図は本実施例の側面図。第２図は本実施例
第２図の斜視図。第３図ａ，ｂ，ｃは本実施例切
り換え装置の動作を示した図。第４図は排ダクト
と排出フアンの接続状態タイミングを示した図。
第５図は従来例の側面図。０：印刷用紙、１：感光体、９：エントリーセ
ンサー、１０：ゲートローラ、１１：転写紙ガイ
ド、１２：印刷用紙吸引ダクト、１３：定着器、
１５：定着紙ガイド、１７：本体装置、１８：排
出フアン、１９：熱風排出ダクト、２０：ロータ
リーソレノイド、２１：切り換え装置、２２：切
り換え弁。 FIG. 1 is a side view of this embodiment. FIG. 2 is a perspective view of FIG. 2 of this embodiment. FIGS. 3a, 3b, and 3c are diagrams showing the operation of the switching device of this embodiment. FIG. 4 is a diagram showing the timing of connection between the exhaust duct and the exhaust fan.
FIG. 5 is a side view of the conventional example. 0: Printing paper, 1: Photoconductor, 9: Entry sensor, 10: Gate roller, 11: Transfer paper guide, 12: Printing paper suction duct, 13: Fixing device,
15: fixing paper guide, 17: main unit, 18: discharge fan, 19: hot air discharge duct, 20: rotary solenoid, 21: switching device, 22: switching valve.

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

印刷用紙搬送経路に沿つて印刷用紙を搬送しつ
つ該印刷用紙面に入力情報に応じたトナー像を転
写、定着するように構成された電子写真記録装置
において、上記記録装置に配設した熱風排出手段
と、該熱風排出手段に接続される一方の排出ダク
トを転写部から定着器に至る前記印刷用紙搬送経
路に開口させ、他方の排出ダクトを前記印刷用紙
搬送経路上非転写面側に配設した印刷用紙ガイド
部材の裏面に開口させるとともに、少なくとも片
方の前記排出ダクトの内部に、転写処理動作に関
連して出力される出力により上記排出ダクトの少
なくとも片方を閉止するように作動する切り換え
装置を配設したことを特徴とする電子写真記録装
置における熱風排出装置。 In an electrophotographic recording device configured to transfer and fix a toner image according to input information to the surface of the printing paper while conveying the printing paper along a printing paper conveyance path, a hot air discharge disposed in the recording device is provided. and one discharge duct connected to the hot air discharge means is opened to the printing paper conveyance path from the transfer unit to the fixing device, and the other discharge duct is disposed on the non-transfer surface side of the printing paper conveyance path. A switching device is provided in the inside of at least one of the discharge ducts and operates to close at least one of the discharge ducts by an output output in connection with the transfer processing operation. A hot air discharge device in an electrophotographic recording device, characterized in that: