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Polycarbonate filament, also known as PC, is a little more tricky to print than some more common filaments, but the payoff is a super strong 3D printed part with a greater impact strength than ABS. Polycarbonate should be printed with an enclosed 3D printer that has a print bed capable of reaching at least 90c. 100-110 is preferable for some brands of Polycarbonate filament, so be sure to check the settings recommended for your particular filament.Polycarbonate is a highly hygroscopic material a …

This solution was provided by a customer of ours (thanks Rob!) and it has worked on several R2 mainboardsThis article is provided for informational purposes only. Always have a qualified technician work on your 3D printer. Symptom: Robo R2 fails mid-print and reports print head disconnect, "Error Detected Connection Interrupted" Suspected Cause: Early R2's (~pre-mid 2018) shipped with a flawed PCBA that had an interference fit between the +5v 2-pin connector and the heatsink on the FET …

This article is provided for informational purposes only. Always have a qualified technician work on your 3D printer. Never leave your 3D printer unattended while it's running. Step One – Remove the old mainboardWith the printer on, use the menu commands to raise the bed to the top of the printer so it is close to the nozzle. Shut down your printerImportant: Be sure to always shut down your Robo R2 using the shutdown command on the touch screen or through the Octoprint interface o …

These instructions are made possible with the help of Alex K. Thanks again, Alex!NOTE: Before doing anything, make sure your 3D printer is powered off and unplugged from any power source! STEP 1Installing the mount and filament sensor Remove the two machine screws holding the existing filament guide tube holder in place and remove the guide tube holder. Reusing the two screws, install the filament sensor mount in the same location where the guide tube holder was located.Slide the f …