This device is classified as import for export, therefore 510k is not applicable.Model eb-1575k is available in the usa with a 510k number k131028.We checked the returned unit and confirmed that the image cloudy (not clear view).Based on the result, we concluded that it was caused due to the moisture condensation in the ccd module.In addition, we confirmed that the u/d knob broken, the insertion flexible tube attaching nut cracked, the control body corroded, the ccd driver pcb corroded, the electrical connector corroded, the lg cable connector corroded, the insertion flexible tube (ift) leak, the light guide cable bump, the operation channel resistance, the angulation-down angulation decrease, and the angulation-up angulation decrease; however, they are not the main cause, and/or irrelevant to the alleged complaint.Based on the technical report "hr-rpt-0586(image failure)" and/or the risk analysis results, it was evaluated to submit mdr.
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