Try adjusting the motor to put pressure on the springs, then cinch them down.
Warning! When you get up & running, keep checking the handle hold down bolt, it likes to work loose and will strip the aluminum threads easily. Ask me how I know.
That unit takes a wee bit of getting used to. At first, practice on reject brass instead of your good stuff. Once you're set up and have a perfectly trimmed case, save one for fast setup in the future. Toss it in the die box.