The device was returned to olympus for evaluation and the customer's allegation was confirmed.The device evaluation found the image had an irregular color tone.Based on the results of the investigation, it is likely that one of the following led to the malfunction: breakage of image sensor unit including disconnection by stress of repeated use, external factors, or handling, or that the components including the integrated circuit chip and capacitor, mounted on the electric circuit board had a defect.A definitive root cause cannot be identified.A device history review revealed no issues that could have caused or contributed to the reported issue.This issue is addressed in the instructions for use (ifu): chapter 3 preparation and inspection, 3.8 inspection of the endoscopic system.Olympus will continue to monitor the field performance of this device.
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