It will leak.
If you complain enough, Lee will replace it with another one that will leak.
Or, you can choose not to use it.
That's about it.
I thought I had upgraded lately when I bought a Hornady automatic measure, the one with the electric motor, and it is so slow I can hand measure on a scale at a 4 to 1 ratio even on the fast setting. It is almost depressing how much re-loading stuff one buys over the years that is almost useless.
Toss a scoop of powder in the pan while it's charging, to help it get to the desired weight faster.