Printers 91, 93, 95 not extruding?

So a couple of us were trying to print earlier today on printers 91, 93, and 95 and the extruders won’t actually extrude. The print head moves like it should but no material extrudes it of it.
Not sure what the issue is, figured I’d post here

2 posts were merged into an existing topic: PolyPrinters not working properly