Blocked nozzle or poor flow
Look for worn nozzles, partial clogs, incorrect temperature, heat creep, damaged PTFE paths, incorrect tension and unsuitable filament before replacing the whole toolhead.
Browse nozzles and hotendsSupport articles
3D Printer support and troubleshooting.
Use these guides to gather the right information before ordering parts, changing firmware or booking a repair.
Start here
Choose the clearest route for the fault.
Use the detailed problem guides below, or send the printer model, symptoms, fitted parts, firmware information and clear photographs through the repair request.
Guides
Support articles by problem type.
Layer shifting, belts and motion faults
Check belt tension, pulley grub screws, motor wiring, driver current, loose frames, obstructions and slicer acceleration settings before assuming a motor has failed.
Browse motion partsFirmware or controller setup
When using Duet3D or RepRapFirmware, keep a copy of your config files, note the board model, firmware version and any exact error messages shown on screen.
Open Duet3D Config ToolHotend conversions and upgrades
Conversions work best when mounts, wiring, thermistors, heater cartridges, firmware limits, fan ducts and nozzle lengths are planned together.
Plan a conversionPrint quality and calibration
First layers, flow rate, pressure advance, retraction, temperature, cooling and mechanical play can all affect print quality. Change one thing at a time.
Ask for diagnosisChoosing compatible parts
If a product page does not make compatibility obvious, ask before ordering. Machine family, toolhead revision and previous upgrades can change what fits.
Ask about compatibility