In the Capo Tasto sections, strings must be aligned with their corresponding hammers. As long as the Capo Tasto has been correctly shaped and smoothened before re-stringing, the strings (even under tension) can easily be tapped left/right with a suitable tool (one that doesn’t damage the wire):

The result is hopefully a set of evenly spaced hammers (see a later blog: hammer spacing, travelling & burning) and respective string unisons: