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Ultimaker Original Plus: Question on printing surface quality

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Hi looks like under extrusion. The cause is most like way too low a temperature for ABS. It should be about 245 to 260 depending on the brand of filament and the volume of plastic you are trying to push through the nozzle (speed and layer thickness).

Try setting the temp at 250 and see if you can manually turn the extruder by hand and see if you easily get a smooth flow through the nozzle. Adjust the temp up or down by 5 degrees at a time till it seems right and then try printing at that temperature.

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