SHEET CONVEYANCE DEVICE AND IMAGE FORMING SYSTEM

A sheet conveyance device includes a cover member, a sheet stacking tray, a control portion, and an optical sensor. The cover member has a stationary rib that enters and retreats from an optical path along with opening and closing of the cover member, and a swingable rib that enters and retreats fro...

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Bibliographische Detailangaben
1. Verfasser:	ANDO, Yoshihiro
Format:	Patent
Sprache:	eng
Schlagworte:	CONVEYING HANDLING THIN OR FILAMENTARY MATERIAL HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES PACKING PERFORMING OPERATIONS STORING TRANSPORTING
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Beschreibung
Zusammenfassung:	A sheet conveyance device includes a cover member, a sheet stacking tray, a control portion, and an optical sensor. The cover member has a stationary rib that enters and retreats from an optical path along with opening and closing of the cover member, and a swingable rib that enters and retreats from the optical path along with up-down movement of the sheet on the sheet stacking tray. The control portion, based on an amount of received light incident on the optical sensor, detects an opened state and a closed state of the cover member and an up-down position of the sheet stacked on the sheet stacking tray.