Opportunity is missed by most people because it is dressed in overalls and looks like work. - Thomas Edison
You'll find that while setting up a job on the Antec it's usually necessary to have a wrench sitting on the press to set off contact for each screen. Unless all your frames are exactly the same and were made perfectly flat.
Leveling everything once in it's proper place I think is the key. I never understood all this talk about leveling until I had to mess with this off contact junk. NOW I get it!