Tape replacement from net backup admin console.

From  symantec netbackup 7.0.1 NBU console we are able to eject the tapes but they are not reaching the CAP from where we can replace the tapes. please suggest there is any other console like from where we can do it? 

Provide alrternate steps to eject the tapes the tape library model no is HP-UX storage tek SL500