Hi there.I´m having some troubles with my last printings and i´ve realised that the printcore 2, even when the lift switch is up, remains lower than printcore 1. Now appears the "Difference between detected height of both PrintCores exceeds realistic values" error. However this is an usual error for me. The problem is that I cannot level the platform cause printcore 2 is always lower than printcore 1 Any ideas? Could it be a problem with the spring? I feel it isn't working well when I