pitted print fixdental turbine issuelatency reduction dental radiographyUSB connectivity issuesdual wavelength optimizationpower cycle troubleshootingcontrast-to-noise optimizationvisual inspection techniquesscanner trueness lossscanner firmware alignmentRoland DGShape RepairShining 3D Intraoral Scanner Repairdental handpiece servicingSIROLaser calibrationOwandy calibration software issue
