We checked the returned unit and confirmed that the ccd driver pcb defective.Based on the result, we concluded that it was caused due to an excessive force applied on the ccd driver pcb.In addition, we confirmed that the insertion flexible tube (ift) buckled, the operation channel leakage, the remote button broken and the light guide cable buckled; however, these are not the main cause, and/or irrelevant to the alleged complaint.Based on the technical report and/or the risk analysis results, it was evaluated to submit mdr.
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