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Robo E3 Pro - Grinding Noise when Calibrating, Homing, or Setting the Z-Axis OFfset
If you are getting a grinding noise while calibrating, homing, or setting the z-axis offset, it may be because your bed-levelling servo assembly is not functioning. If the grinding noise is happeni...
Robo E4 Firmware Update
CURRENT FIRMWARE VERSION is 2.2.5 as of March 2025. If your printer says it is up to date, but you have an earlier version of firmware, please use the USB steps to get up to date! Updating over...
Robo E3 Pro - Filament Check Error
This video provides guidance on how to fix the Filament Check error happening when filament is loaded into your Robo E3 Pro but isn't being correctly sensed by the sensor. It includes troubleshooti...
Robo E3 Pro - Prints Stair-Stepping Side to Side or Shifting Mid-Print
If you are experiencing prints where it is stair-stepping side to side or shifting to one side or the other while printing, there are a couple things to check for. First, make sure your filament ...
Robo E4 - Clearing a Tough Clog - Aka Taking the Extruder Apart
This video shows you how to take the extruder apart to get to the toughest clogs. Prior to following these steps, we recommend following the guidance in this article for basic unclogging steps: Rob...
Robo E4 Pro - Replacing the Circuit Board in the Extruder Assembly
This video shows how to replace the circuit board found inside the extruder assembly on your Robo E4 Pro. You may need to replace this part if the limit switches or movement of your 3D printer are ...
Printing on Your Robo E4 with RoboCloud
Find out how to connect your Robo E4 to RoboCloud and start printing wirelessly in this tutorial! Remember, your printer must be connected to the internet, so if it's not, go to your specific print...
Robo E4: Unclogging / Replacing Your Extruder
If you run into a clog on your Robo E4 3D printer, there are a few troubleshooting steps you can go through to clear out the clog. This video goes through all the various steps you can take, includ...
Robo E4 - Replace the Extruder Assembly
If you have a jam that is not resolvable using the steps in Robo E4: Unclogging / Replacing Your Extruder you may need to replace the entire extruder assembly. Below is a video walking you through ...
E4 Pro Sensor Calibration Error
If you are attempting to complete Sensor Calibration on your Robo E4 Pro and are receiving the following message, please follow the below steps: Error: "If the sensor is not triggered, please con...