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🔧FAQ & Troubleshooting
[Marlin] M003 - Laser On
📅Update: 2020/09/18

Description

Wait for moves to complete, then set the spindle speed (clockwise) or laser power.

Notes

  • 'S is interpeted as the configured value range: PWM (default), Percentage, or RPM. (See CUTTER_POWER_UNIT)'
  • "M3 and M4 aren't needed with LASER_POWER_INLINE and LASER_MOVE_POWER enabled. Power is set directly in G1G5"

Usage

M3 [I<mode>]

Parameters

  • [I<mode>] Inline mode ON / OFF.

Examples

Set spindle rotation clockwise at 50% with CUTTER_POWER_UNIT set to PERCENT
M3 S50
Set spindle rotation clockwise at 6K RPM with CUTTER_POWER_UNIT set to RPM
M3 S5000
Set laser power to 50% in PWM
M3 O128
Turn on the laser at full / SPEED_POWER_STARTUP power
M3
Fire laser at 80% on next G1,G2 and G3 move
M3 S204 I
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Examples