Sony LTO Cleaning Cartridge The Sony LTO LTX-CL is a universal cleaning cartridge (UCC) for LTO tape drives. Regardless of LTO tape drive or autoloader such as the LTO-1, LTO-2, LTO-3, and LTO-4 tape drives and auto-libraries, the Sony Cleaning Cartridge works to clear dust and debris in a short time. According to Sony?s Website, the Sony LTXCL offers up to 50 cleanings; however, the number of cleanings can vary per drive.