Sirona Schick repairCORiTEC troubleshooting tipsocclusion accuracyshutter performance checkRootMeter probe troubleshootingoperatory repair BCblurry intraoral images fixcleaning system designexposure calibration verificationscanner wand maintenanceautofocus failureDental instrument safetyRVG 6200 intermittent detectionunattended CNC operationshub side connector
