We checked the returned unit and confirmed that the ccd driver pcb as defective.Based on the result, we concluded that it was caused due to the excessive force applied on the ccd driver pcb.In addition, we confirmed that the insertion flexible tube (ift) coating damage, the distal body leak, and the light guide cable cut; 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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