PAPER FEEDING DEVICE AND IMAGE FORMING DEVICE

PROBLEM TO BE SOLVED: To quickly solve miss loading by informing miss loading in the state of drawing a sheet tray out of an image forming device body when recording sheets or the like are miss-loaded in the sheet tray. SOLUTION: Housed material sensors 61, 62, 63 and 64 are provided on a bottom pla...

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Bibliographische Detailangaben
Hauptverfasser:	SUEYOSHI KAZUO, YAHATA JUN
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CINEMATOGRAPHY CONVEYING ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY ELECTROGRAPHY ELECTROPHOTOGRAPHY HANDLING THIN OR FILAMENTARY MATERIAL HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES HOLOGRAPHY MAGNETOGRAPHY PACKING PERFORMING OPERATIONS PHOTOGRAPHY PHYSICS SEMICONDUCTOR DEVICES STORING TRANSPORTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To quickly solve miss loading by informing miss loading in the state of drawing a sheet tray out of an image forming device body when recording sheets or the like are miss-loaded in the sheet tray. SOLUTION: Housed material sensors 61, 62, 63 and 64 are provided on a bottom plate 31f of the sheet tray 31, and a housed material sensor 65 is fitted to a movably supported sheet guide 32. A position sensor is also provided to detect the position of the sheet guide, and size of the sheet can be detected by detecting the position of the sheet guide. Based on a result of the detection by the position sensor and results of the detection by the plurality of housed material sensors, a miss-loading determining means determines existence of miss-loading in the state of drawing the sheet tray, In the case wherein miss-loading is determined, a miss-loading informing device 66 informs the miss-loading, and restricts insertion of the sheet tray into the image forming device. COPYRIGHT: (C)2010,JPO&INPIT