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While no serious injury resulted in this event, if this malfunction recurred, it could cause or contribute to a serious injury or require medical or surgical intervention to preclude such.This event, therefore, is reportable per 21cfr part 803.Usb 3 firmware v1.4 contains an issue in the portion of code used to optimize sensor performance.If the optimization occurs during an exposure or sensor readout, there is a chance that the resulting image will be corrupted.Image data following the point of corruption will consist of data that was previously held in the memory of the usb device.As a result, the presented image may contain a portion of data from a previous exposure.In general, this would be obvious to the user since the presented image would either contain obvious artifacts or different anatomy than expected.Field service evaluation- problem description 02/12/2026, 15:10:29, (b)(4).S33 sensor connection issue - intermittent connection failure in one op.Initial log: 02/12/2026 2:07:02 pm (dentsply sirona charlotte time).Warranty: dealer on-site: billable: billing accepted: billing approved by: 90 day expiration date: 05/13/2026.Remote access: sidexis version: 4.4.1.Server location: \\server.Pdata remote location: \\server\pdata.Rcu location (if applicable): practice management: maxiplanner v3.21.30.Workstation(s): room-2.Scout check: firmware: plug-in version: ioss 3.2.Exposure count: unit ip address: sensor s33 sn (b)(6).Staff reported no patient injury: sometimes requires additional retakes (only in room-2).Troubleshooting description: remoted to room-2.Verified usb connected there: updated usb interface via ioss config utility.Remoted to room-4: this is where problem occurs.Usb interface is recognized in device manager: not recognized in ioss config utility disabled core isolation and local security authority protection: restarted pc.Launched ioss, throws error.There was a problem with a previous exposure.You must resolve this problem and recover any unsaved data before starting a new exposure.Clicked "recover data" button; image for patient; did not recover image but sensor now recognized.Attached screenshot of recovery dialogue.Image recovered was bad quality.Using planmeca wall unit for xray generator.Solution description 02/12/2026 15:10:29 (b)(4).Solution description: disabled core isolation - restarted pc.Cleared image rescue, cleared sensor.Sensor now connecting and test captures = pass.Functional (yes/no): yes.
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