Signs Your Nozzle is Too Close
- Filament appears transparent/paper-thin on first layer
- Nozzle scraping sounds during first layer
- Ridges or rough texture on bottom of prints
- Filament bunching up around nozzle
- Motor skipping during first layer
Quick Fix (90% Success Rate)
- During first layer printing, go to Control → Z Offset
- Increase offset by +0.02mm increments
- Watch the filament - should be slightly squished, not transparent
- Save when you achieve a smooth, opaque first layer
Proper Z-Offset Calibration
Step 1: Reset to Factory
Settings → Machine → Restore Factory Settings → Z-Offset Only
Step 2: Run Auto Calibration
Ensure bed is clean, then run full auto-calibration sequence
Step 3: Print Calibration Pattern
Use the built-in first layer test or download our optimized pattern
Step 4: Live Adjustment
Adjust during printing until you see:
- Smooth, consistent lines
- No gaps between lines
- No ridges or roughness
- Slight squish visible
Advanced Tips
- Different materials need different offsets - Save profiles for each
- Temperature affects Z-offset - Calibrate at operating temps
- Textured vs smooth plates - Usually need 0.02-0.04mm difference
- Check nozzle wear - Worn nozzles need offset adjustments
Pro Tip
Print a "Z-offset tower" - a single-layer test with offset changing every 20mm. Find the sweet spot visually, then use that value.
Common Mistakes
- Adjusting too much at once - Use 0.02mm increments
- Not saving the setting - Must save after adjustment
- Ignoring bed cleanliness - Oil affects calibration
- Using paper method - Visual calibration during print is better
Still having issues? Check our Complete First Layer Troubleshooting Guide