We checked the returned unit and confirmed the ccd module as defective.Based on the result, we concluded that it was caused due to the excessive force applied on the ccd module.In addition, we confirmed that the insertion flexible tube (ift) buckled, the remote control buttons malfunction and the light guide fiber bundle (lcb) was broken; however, they 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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