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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4 Replies
Oldman ( Martin)
have you tried to dry out our filament nealy look like foaming filament.
Tornillo
TornilloOP6mo 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
Yucca
Yucca3mo ago
What extruder you have? I just had simmilar issue and it was LGX lite that did not push filament consistently, I switched to Orbiter v2 and all perfect
Tornillo
TornilloOP2mo ago
A rubberband on the lever of the lgx lite solved my problem for now. It didn't push the filament through. Will probably replace the extruder

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