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April 7, 2017 06:06
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A 3D printer gcode file that helps unloading your current PLA filament
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| ; Author: Michael Henke <gcode-at-codingmerc-dot-com> | |
| ; 4/7/2017 | |
| ; | |
| ; Store this gcode on your printers SD-card or remote management to have it | |
| ; handy whenever you plan to change filament | |
| M104 S200 ; Set nozzle temp, no wait. | |
| M117 Autohome... | |
| G28 ; 1st things 1st: Home all axis | |
| G90 ; set absolute position to move the effector a set distance from 0 | |
| M117 Relax Bowden... | |
| G1 X0 Y0 Z20; move effector down to relax Bowden tube | |
| ; Set G91 first otherwise Marlin will not correctly extrude or retract | |
| G91 ; http://reprap.org/wiki/G-code#G91:_Set_to_Relative_Positioning | |
| M117 Heat nozzle... | |
| M109 S200 ; Heat extrude and wait | |
| M117 Extrude some... | |
| G1 E5 F150 ; Extrude 5mm | |
| M117 Extrude some more... | |
| G1 E15 F50 ; Extrude 15mm slowly | |
| M117 Retracting... | |
| G1 E-150 F500 ; Retract 150mm fast | |
| M117 Turn off nozzle... | |
| M104 S0 ; Cancel heating nozzle | |
| M117 Go back home... | |
| G28 ; Home all axis | |
| M117 Done unloading... |
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