color uniformitydental equipment repair turnaroundrvg 6100 not connectingintraoral sensor internal fixdental imaging equipment mechanical repairMeta-Biomed partssensor over-current conditionParkell ultrasonic repairsensor exposure detection issuescanner optical repairhandheld intraoral repair issuesdental X-ray sensor connectivity fixLubrication IssuesFrequency optimizationintraoral scanner freezing
