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HIPS filament getting stuck
#1
I have been printing with HIPS for a few days and now I am getting problems. I am using the left extruder with HIPS at 230-240C and after a while the nozzle gets plugged, HARD. I have had three times now to completely dissasemble the head and drill out the stuck filament. I measured the stuck part to swell to about 2 mm from 1.75mm and it does not slide anymore.

Is this because of the shitty XYZ head that does not have a teflon sleeve ? I have a few extra radiators, but seems the heat creep is the culprit. If I print ABS only, no issue.

Should I lower the temp to 220C and try again ?

Did anyone print with HIPS with the original Davinci Duo head ?

Thanks.
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