![]() ![]() ![]() On the other hand, when the temperature’s too high, it can cause problems as the properties of the material will start to change if left in the nozzle for too long, causing clogs. Eventually, the pressures will simply become too high and under-extrusion happens. When the temperature is too low, the material won’t melt properly as cooler plastic is more viscous and requires higher pressures to push it through the nozzle. For example, a temperature setting that’s either too high or too low can lead to problems. It’s important that the material profile on your Ultimaker (or material settings in Cura) matches the material. The first and easiest things to check if your print is suffering from under-extrusion are the material settings. In this case there’s a ‘skipped layer’ problem, as described here. Note: If your print is just missing a single layer in the print, this is not under-extrusion. Ultimaker robot shows signs of under-extrusion This problem is probably the trickiest to find the direct cause as there are so many variables to consider, but we’ll take you through them here and give you helpful pointers to remedy it. You’ll know if your printer is under-extruding as you’ll see missing layers, very thin layers, or layers that have random dots and holes in them. In its simplest form, under-extrusion is when the printer is unable to supply the right amount of material. ![]()
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