Firmware downloads Alex Fordyce 24 July 2019 01:48 Updated Follow There is a different version of firmware depending on which extruder you 3D printer has. If you have just purchased a new extruder or your extruder has a RED band near the main connector, it is a 24V extruder and you will need the Me2_HV firmware. Me2_HV (24V Extruder) Otherwise use the LV firmware Old - Me2_LV (12V Extruder) Once you have downloaded your new version of firmware, head over to this article for instructions on how to upload it to your Me2 printer. Related articles Upgrading your firmware Getting started: Me3D BuildFlow Print Server How To: Change the extruder nozzle A printer is showing up as 'Offline' How do I set up my 3D printer? Comments 0 comments Article is closed for comments.