I hang a sign on mine when I've moved the headstock. Either do that or never put it back in line without checking it.Before anything, just check that the Mt bores and tapers are clean.
It's worth emailing them your photo and see what they say.
I have a double ended MT2 to align my herald lathe head and tailstock from time to time. Always after I've rotated headstock, takes seconds to do.
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