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Found in this post: https://www.reddit.com/r/PrintrBot/comments/3jm8bc/start_gcode_does_not_extrudeandmove_but_the_code/ | |
Use this to reset, center, and auto-extrudea small bit before printing. | |
G90 ; Explicitly force absolute positioning in case it was not reset previously. | |
G28 ; Home all axes. | |
G29 ; Auto-level the bed. | |
G0 X0 Y0 Z0.15 F9000 ; Move to the front-left part of the bed. | |
M109 S{print_temperature} ; Set and wait for extruder temperature. | |
G92 E0 ; Zero the extruder. |