SHEET CARRYING DEVICE AND IMAGE FORMING DEVICE

To provide a sheet carrying device, an image forming device, and a sheet characteristic detecting method capable of detecting the characteristics of a sheet without affecting a peripheral structure of a carrying path of the sheet.SOLUTION: A sheet carrying device is equipped with a drive portion (15...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KYOGOKU MASANORI, YAMAOKA EMI
Format: Patent
Sprache:eng ; jpn
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Beschreibung
Zusammenfassung:To provide a sheet carrying device, an image forming device, and a sheet characteristic detecting method capable of detecting the characteristics of a sheet without affecting a peripheral structure of a carrying path of the sheet.SOLUTION: A sheet carrying device is equipped with a drive portion (154), a detecting portion (158), a detection processing portion (164), and a posture change portion (230). The drive portion (154) can change an inclination angle of a sheet placing portion (221) on which a sheet is placed. The detecting portion (158) includes an irradiating portion that irradiates the sheet placed on the sheet placing portion (221) with light, and a light-receiving portion that receives reflection light from the sheet. The detection processing portion (164) detects the characteristics of the sheet on the basis of the reflection light received by the light-receiving portion. The posture change portion (230) changes a posture of the detecting portion (158) in conjunction with changes of the inclination angle of the sheet placing portion (221) by the drive portion (154).SELECTED DRAWING: Figure 5 【課題】シートの搬送路の周辺の構成に影響を与えることなくシートの特性を検出可能なシート搬送装置、画像形成装置、及びシート特性検出方法を提供すること。【解決手段】シート搬送装置は、駆動部(154)と、検出部(158)と、検出処理部(164)と、姿勢変更部(230)とを備える。前記駆動部(154)は、シートが載置されるシート載置部(221)の傾斜角度を変更可能である。前記検出部(158)は、前記シート載置部(221)に載置されるシートに向けて光を照射する照射部及び当該シートからの反射光を受光する受光部を含む。前記検出処理部(164)は、前記受光部により受光される前記反射光に基づいて前記シートの特性を検出する。前記姿勢変更部(230)は、前記駆動部(154)による前記シート載置部(221)の傾斜角度の変更に連動して前記検出部(158)の姿勢を変更する。【選択図】図5