Printing with a 0.25 nozzle is much more fickle than with a 0.4mm.If you have blockages, here are the points to apply in this order: 1) Raise the extrusion temperature [...]

On the ultra the process remains the same as on the MK2. It must be tightened to 360° and not 290°. Be careful, if you do not change the thermal [...]