nozzle-clog Troubleshooting

Nozzle clogged on the Elegoo Neptune 4

Source: ProductDB enrichment catalog Confidence: 85% Verified Aug 8, 2026

The nozzle is blocked and filament stops extruding, causing under-extrusion or a failed print.

How to fix Nozzle clogged

Cold-pull the nozzle

Heat the nozzle to 200C, push filament through, then pull it out cold to clear the clog.

Source: ProductDB enrichment catalog Confidence: 80% Verified Aug 8, 2026

Difficulty: ★★ Est. 10 min

Replace the nozzle

If the clog persists, replace the nozzle with a genuine spare.

Source: ProductDB enrichment catalog Confidence: 80% Verified Aug 8, 2026

Difficulty: ★★ Est. 15 min

Replacement parts for the Elegoo Neptune 4

Elegoo Neptune 4 Nozzle Elegoo Neptune 4 Hardened Steel Nozzle Elegoo Neptune 4 PLA Filament Elegoo Neptune 4 Build Plate Elegoo Neptune 4 Hotend Assembly Elegoo Neptune 4 Magnetic Bed Sheet Elegoo Neptune 4 PTFE Tube Elegoo Neptune 4 Nozzle Set

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