IMAGE READING DEVICE AND IMAGE FORMING APPARATUS

To provide an image forming apparatus that, when documents are present on a platen glass and on a document tray at the same time, appropriately selects and reads any one of the documents.SOLUTION: In an image forming apparatus 10, when a control unit 29 determines the presence of a document on a sec...

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Hauptverfasser: RODNEY OMANGAYON, SEGALA NIXON JR, SHEILA MEI KIMBO, JOHN JAMES GUTIB, KARL CHRISTIAN LEY PAN TIN, ICEL ANN RODRIGUEZ, JESUS GIOVANNI JOHN BURGOS, DANIEL MOLINA, MATHEW GRAFIRO, JOHN MATHEW CABIDO, MELVIN GAVIOLA JR
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:To provide an image forming apparatus that, when documents are present on a platen glass and on a document tray at the same time, appropriately selects and reads any one of the documents.SOLUTION: In an image forming apparatus 10, when a control unit 29 determines the presence of a document on a second platen glass and the absence of a document on a document tray based on output from a CCD sensor and output from a document sensor 52, the control unit controls a reading unit to execute a first mode of reading an image of the document on the second platen glass, when determining the absence of a document on the platen glass and the presence of a document on the document tray, controls a document conveying unit and the reading unit to execute a second mode of reading an image of the document being conveyed by the document conveying unit, and when determining the presence of both documents, causes document reading to be performed in the first mode or the second mode that is performed in the immediately previous document reading.SELECTED DRAWING: Figure 4 【課題】プラテンガラス及び原稿トレイに原稿が同時に存在する場合に、いずれかの原稿を適切に選択して読み取る画像形成装置を提供する。【解決手段】画像形成装置10において、制御部29は、CCDセンサーの出力及び原稿センサー52の出力に基づき、第2プラテンガラスの原稿有及び原稿トレイの原稿無を判定した場合に、第2プラテンガラスの原稿の画像を読取る第1モードを実行させ、プラテンガラスの原稿無及び原稿トレイの原稿有を判定した場合に、原稿搬送部により搬送されている原稿の画像を読取る第2モードを実行させ、両方の原稿の有を判定した場合に、第1モード又は第2モードのうち、直前の原稿読取において行われたモードにより原稿読取を行わせる。【選択図】図4