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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 & in Clearing a Tough Clog, you may need to replace the entire extruder assembly. Below is ...
E4 Pro: My print isn’t sticking to the build plate.
First, make sure your temperature settings match the filament you are using. Different brands of filament and different types of filament have different requirements for extruder and build plate te...
My Robo E4 Pro print has droopy overhangs or is very stringy under an overhang.
Overhangs are any part of a model that extends outward as it moves up or is not supported another part of the object underneath it. For instance, if you were printing a dog standing at attention, t...
E4 Extruder is showing a negative temperature or doesn’t heat up when loading filament or printing.
First, turn the printer off and back on. If the status temperature is still 0 or negative, reinstall the extruder, making sure that it has clicked fully into place.
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...
When I tried to load filament, the filament pushed the extruder down and out of the printer.
This can happen if the nozzle isn’t properly seated. Using pliers, press the nozzle all the way upward until it clicks into place. Check that the red buttons have snapped all the way to the back of...
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 ...
Error E0007: Extruder not heating at expected. Please check extruder.
Turn the printer off. Then, go through the steps in “Unclogging/Replacing my extruder” to unseat and re-seat the extruder. You should be able to do this without unloading filament first. Power the ...
E4 Pro: Replacing the Main Board
To replace the Main Board of your Robo E4 Pro: You will need a 2.5mm Allen wrench, a #2 Phillip's head screwdriver, needle-nose pliers, and optionally markers to indicate which wire is which. Expec...
Robo E4: My print isn’t sticking to the build plate.
First, make sure your temperature settings match the filament you are using. Different brands of filament and different types of filament have different requirements for extruder and build plate te...