3D Print Failure Troubleshooter

I'm experiencing issues with my 3D print and need help troubleshooting.

Printer Setup:
- Printer model: [brand and model]
- Printing technology: [FDM/SLA/SLS]
- Firmware version: [if known]
- Slicer software: [name and version]

Print Settings:
- Material: [type and brand]
- Nozzle temperature: [°C]
- Bed temperature: [°C]
- Print speed: [mm/s]
- Layer height: [mm]
- Infill: [percentage and pattern]
- Cooling: [fan speed %]

Problem Description:
- Issue observed: [describe what's happening]
- When it occurs: [first layer/mid-print/near completion]
- Frequency: [every print/intermittent/specific models]
- Recent changes: [any changes before issue started]

Please provide:
1. Likely cause diagnosis
2. Step-by-step troubleshooting process
3. Setting adjustments to try
4. Hardware checks to perform
5. Prevention strategies