This DLT Cleaning Cartridge is the cleaning cartridge for the DLT260, DLT600, DLT2000, DLT2000XT, DLT4000, DLT7000 and DLT8000 drives. Fujifilm offers a service to check DLT Cleaning Tape cartridges to see if they are being overused. Users can submit a cleaning cartridge that has reached its twenty-use limit.