SteveG

Thanks, I'll give that a try. The second feeder is also a UM2+ original and it has the same problem. Looks good, just doesn't print (much)😂.

Hi, I’ve converted my UM2+ Extended to the DXU (thanks to everyone who contributed to this and the Mark2). I’ve adapted it to use 2.85mm filament using the information on the blog from @burdickjpand from @Klaasie regarding the heat break and 4mm OD 3mm ID PTFE tube. I’ve got the following problem with under extrusion and I hope someone can give me a pointer in the right direction. When I try to print something after about 10 layers, no more filament comes through and the printer carries on printing in thin air. I can change the filament no problem because the nozzle is