Underextrusion issue - Vcore 3.1

Lately I’ve not been able to get a clean print out of my ratrig, it is severely underextruding every couple layers. Material is Bambulab matte blue PLA printed at 200 degrees with a Rapido 2 UHF at normal speed. I’ve taken apart the extruder, cleaned the gears, fitted a new nozzle, tried different temperatures, but the issue still prevails. Is the hotend thermistor defective?
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2 Replies
Oldman ( Martin)
have you tried to dry out our filament nealy look like foaming filament.
Tornillo
Tornillo2w ago
No it’s just not extruding at times. This is especially apparent when it’s printing large flat surfaces. Some sections it just doesn’t lay down any filament at all
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