Elegoo Neptune 4 Max Machine G-Code

Machine start G-code:

;ELEGOO NEPTUNE 4 MAX - Optimized Start Sequence with 30mm Purge LineM220 S100 ; Set feed speed to 100%M221 S100 ; Set flow rate to 100%M104 S[nozzle_temperature_initial_layer] ; Start heating nozzleM140 S[bed_temperature_initial_layer_single] ; Start heating bed without waitingG28 ; Home all axesM190 S[bed_temperature_initial_layer_single] ; Wait for bed to reach target tempM109 S[nozzle_temperature_initial_layer] ; Wait for nozzle to reach target tempG92 E0 ; Reset extruder positionG1 Z0.4 X165 Y0.5 F2000 ; Move to start position for purge lineG1 X265 E30 F400 ; Draw the 30mm purge lineG1 Z0.6 F120 ; Slightly lift the nozzleG92 E0 ; Reset extruder

Machine end G-code:

Version 1: Turns Off the Hotend and Bed (with Multiple Beeps)

This version fully shuts down the hotend and bed after the print is complete.

;PRINT_ENDG91 ; Relative positioningG1 E-2 F2700 ; Retract a bitG1 E-8 X5 Y5 Z3 F3000 ; Retract and move upG90 ; Absolute positioningG1 X10 Y400 F6000 ; Move print head to a safe positionM106 S0 ; Turn off fanM104 S0 ; Turn off hotendM140 S0 ; Turn off bed; Beep sequenceM300 S1000 P300 ; Beep 1 at 1000 Hz for 300 msG4 P200         ; Pause for 200 msM300 S1500 P300 ; Beep 2 at 1500 Hz for 300 msG4 P200         ; Pause for 200 msM300 S2000 P300 ; Beep 3 at 2000 Hz for 300 msM84 X Y E ; Disable all steppers except Z

Version 2 (calibration version): Keeps Hotend and Bed On (with Multiple Beeps)

This version leaves the hotend and bed heaters on, allowing you to continue printing without waiting for them to reheat.

;PRINT_ENDG91 ; Relative positioningG1 E-2 F2700 ; Retract a bitG1 E-8 X5 Y5 Z3 F3000 ; Retract and move upG90 ; Absolute positioningG1 X10 Y400 F6000 ; Move print head to a safe positionM106 S0 ; Turn off fan; M104 S0 ; Turn off hotend (commented out to keep it on); M140 S0 ; Turn off bed (commented out to keep it on); Beep sequenceM300 S1000 P300 ; Beep 1 at 1000 Hz for 300 msG4 P200         ; Pause for 200 msM300 S1500 P300 ; Beep 2 at 1500 Hz for 300 msG4 P200         ; Pause for 200 msM300 S2000 P300 ; Beep 3 at 2000 Hz for 300 msM84 X Y E ; Disable all steppers except Z