How to Unload Filament
- Use the control panel dial to select Filament > Unload Filament.
- Use a tool to unlock the lid of the MakerBot Replicator Z18. For more information on this process, see the User Manual. Set the lid aside.
- The Smart Extruder+/Smart Extruder will start to heat up. When the extruder is fully heated, it will go through a two-part unloading process.
- Remove the filament from the extruder only when prompted by the control panel. If you feel resistance when removing the filament, pinch the two tabs on the extruder to remove the filament. (Indicated by photo below)
If you are changing filament spools, be careful to keep the spool tightly wound as you pull the filament free of the guide tube. If you do not, the filament could unravel or tangle on the spool.
Note: If your MakerBot Replicator Z18 senses that the extruder has run out of filament, it will display a message and automatically run the Unload Filament script.
To help prevent clogging, always let your printer fully complete the filament loading and unloading procedures. Never remove filament from the extruder before instructed to do so by the control panel or MakerBot Print.
Let the Extruder Cool
After finishing a print, your MakerBot Replicator Z18 cools the Smart Extruder+/Smart Extruder to quickly harden the melted plastic inside. Always wait until your extruder has cooled to 50°C before turning off your MakerBot Replicator Z18. This process can take a few minutes, but if you turn off your MakerBot Replicator Z18 before the extruder is fully cooled, you risk a higher chance of a clog forming.
When you are done, make sure to replace and relock the lid of the MakerBot Replicator Z18.
Go to Filament > Load Filament and allow plastic to extrude for a few moments. Then try unloading again.
For more troubleshooting steps, click here