Anet A8 Gcode for OctoPrint

Before print job starts:

G21 ;metric values
G90 ;absolute positioning
M82 ;set extruder to absolute mode
M107 ;start with the fan off

M117 Homing...
G28 X0 Y0 ;move X/Y to min endstops
G28 Z0 ;move Z to min endstops
G0 Z20 ;move up 20
G1 F9000
M117 Printing...


After print job completes:

M104 S0 ;extruder heater off
M140 S0 ;heated bed heater off (if you have it)
G91 ;relative positioning
M117 Print done!
G1 E-1 F300  ;retract the filament a bit before lifting the nozzle, to release some of the pressure
G1 Z+10 E-5 X-20 Y-20 F9000 ;move Z up a bit and retract filament even more
G28 X0 Y0 ;move X/Y to min endstops, so the head is out of the way
G1 Y180 ;Set Y axis to bring printed part forward
G1 E-5 F900  ;retract the filament a bit before lifting the nozzle, to release some of the pressure
G92 E0 ;zero the extruded length
M84 ;steppers off
G90 ;absolute positioning

After print job is cancelled:

M104 S0 ;extruder heater off
M140 S0 ;heated bed heater off (if you have it)
G91 ;relative positioning
M117 Print done!
G1 E-1 F300  ;retract the filament a bit before lifting the nozzle, to release some of the pressure
G1 Z+10 E-5 X-20 Y-20 F9000 ;move Z up a bit and retract filament even more
G28 X0 Y0 ;move X/Y to min endstops, so the head is out of the way
G1 Y180 ;Set Y axis to bring printed part forward
G1 E-5 F900  ;retract the filament a bit before lifting the nozzle, to release some of the pressure
G92 E0 ;zero the extruded length
M84 ;steppers off
G90 ;absolute positioning