Yea UM3 is an open close open system so... You need to activate Dev mode to get SSH access to your printer then... SSH root@IPADDRESS and then you need to move to the folder usr/share/griffin There you can do python3 command_util.py to execute a program that allows direct access to the machine and send gcode commands Type help once inside the python, if I recall correctly the command is called sendgcode so you can do, for example: sendgcode G28 Z0 A full control of the mach
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