The service engineer fixed the Calibur and it is now ready to use. Thanks, Monica Monica DeLay, M.S. Manager, Research Flow Cytometry Core Cincinnati Children's Hospital Medical Center Division of Rheumatology TCHRF 5543 3333 Burnet Ave Cincinnati, Ohio 45229 Phone (513) 636-3575 Fax (513) 636-3328 http://research.cchmc.org/flow