Troubleshooting & Maintenance helps you find and fix the common causes of failed prints and keep a desktop 3D printer in working order. Adhesion problems usually start with the first layer, covered in How to Level a 3D Printer Bed: Paper Method and ABL, while surface and position defects are covered in How to Fix 3D Printer Stringing: Retraction, Temperature and Filament and How to Fix Layer Shifting on 3D Prints: Belts, Steppers and Pulleys.

Routine care includes How to Clean a 3D Printer Safely: A Beginner Guide, How to Clean a 3D Printer Nozzle: Cold Pulls and Needles and 3D Printer Firmware, Profiles, and Backup Practices. Parts and downtime add up over a printer’s life, which is why the guide to 3D printer ownership cost is worth reading before a repair turns into a replacement.

Always follow your printer’s manual before opening or replacing any part.