The AMS 2 Pros redesigned filament path including the desiccant chamber, humidity-sealed spool bays, and reworked PTFE routing to the toolhead is a real reliability upgrade over the original AMS, but ...

If your classroom's AMS 2 Pro suddenly stops feeding filament in the middle of a print, take a breath — this is one of the easiest fixes there is, and you don't need to know anything technical about 3...