How can I fix first-layer adhesion issues on a Prusa 3D printer?
First-layer adhesion problems on a Prusa 3D printer are common, but they’re usually easy to fix with the right adjustments. Here’s a complete, step-by-step guide:
1. Clean the print bed properly Oils from fingerprints reduce adhesion. Clean the bed with isopropyl alcohol (90%+). For stubborn residue, wash the sheet with warm water and dish soap, then dry thoroughly.
2. Re-calibrate the first layer (Live-Z adjustment) Run the First Layer Calibration and fine-tune the Live-Z value. The filament should be slightly squished—lines should touch without gaps or ridges.
3. Check bed temperature Ensure the bed temperature matches the filament type (PLA ~60°C, PETG ~80–90°C). Too cool = poor adhesion.
4. Verify nozzle temperature Printing the first layer 5–10°C hotter than normal helps filament bond better to the bed.
5. Use the correct print sheet Prusa smooth sheets work best for PLA, while textured or satin sheets are better for PETG and flexible filaments.
6. Reduce first-layer speed Slow the first layer to 15–25 mm/s for better control and bonding.
7. Avoid unnecessary adhesives Glue or sprays should only be used when recommended (mainly for PETG to protect the sheet).
RE: How can I fix first-layer adhesion issues on a Prusa 3D printer?
Posting AI slop is bad. Doing it to promote a spam link is worse. Reported.