[dnanian]

Hi, Steve. The way to do this is to edit the "schedule" script driver. To do so, navigate to Library/Application Support/SuperDuper!/Scheduled Copies, and control-click the settings package for the backup.

Choose "Show Package Contents". Then, open the Copy Job.applescript file there.

Add the command to eject the drive at the top, in the block for after successful copies. You'd use something like:

tell application "Finder" to eject "the-afp-volume-name"

Save the script file. Then, open SD! and switch to the scheduled copy window. Edit the scheduled entry, uncheck and re-check the checkbox, and save -- that'll recompile the script, and you're all set.

Hope that helps!