Use the Advanced page to manage expired cleaning cartridges, and REST over SCSI as  shown in Figure 4-13. If you have dual accessors the Advanced page will additionally show  elastic capacity and active accessor options, as shown in Figure 4-14.  The library uses the cleaning cartridge to automatically clean tape drives as needed to  maintain the efficiency of the tape drives. This option allows the TS4500 to automatically  move expired cleaning cartridges to the I/O station.  196  IBM TS4500 R6 Tape Library Guide Move expired cleaning cartridges to I/O station Advanced  Figure 4-12 Synchronize with NTP Server Figure 4-13 With single accessor Figure 4-14 With dual accessors