@GregValiant, I total get what you are talking about. I have sat down, tore everything apart and started fresh to make sure everything is tight. I can't wobble the bed and the z axis is tight and level. I will look at those videos, anything helps. The last two points you made seems exactly what is going on. I turn it on, auto-home, level the bed like 4 times. Print, same result. Turn it off and do it all over again, and the bed will be like way off. As I'm leveling and I just put my hand on the wheel screws I can feel the paper loosen, take my fingers off and the paper is tight again, without turning the knob. With those upgraded springs how can it be so touchy?
I also took the nozzle off and made sure it was clean because the white that I used wasn't coming out correctly as the black does. Black strings out, the white balls up right at the nozzle. So when I took it all apart I noticed a "goo" in the nozzle and heater, is that normal and could it be from the PTFE (Capricorn) tube? goo is hard to explain, more like a oily residue. So I cleaned the nozzle, put a new tube in and printed, didn't change anything. The white is a Enomaker brand ST-PLA, first couple of prints on that turned out good, then I started having issues, was thinking it was leaving behind a residue.
Those zits cause issues sometimes. If one is sticking up and the nozzle catches it, it rips up the plastic from the bed. Kind of like dragging it.
Thanks for the level code, I'll try it when I get time. And check the beam for the trolley, I didn't check that part either.