connection intermittent fixcharging board repairimaging issue fixDEXIS troubleshooting guidedental apex locator maintenanceIvoclar Vivadent scanner issuesPlanmeca imaging system repairexternal battery pack integrationscanner performance managementdental X-ray Gendex failure indicatorsnetwork cable X-POD repairfiber longevitysurface finish measurementscanner color accuracyovervoltage protection repair
