Ender 3 neo max temperature July 8, 2019 16 32 64 128 Ender 3 v2 neo max temperature Ender 3 max neo nozzle or bed temperature thermal runaway Ender 3 neo max bed temperature Ender 3 v2 temperature calibration Ender 3 temperature sensor Ender 3 max neo printing Ender 3 thermistor fix Ender 3 pro v2 neo