[Marlin] M204 - Set Starting Acceleration

📅Update: 2020/09/18


Set the preferred starting acceleration for moves of different types.


  • View the current setting with M503.

  • If EEPROM_SETTINGS is enabled, these are saved with M500, loaded with M501, and reset with M502.

  • Legacy M204 S<accel> is deprecated. Use separate paremeters M204 P<accel> T<accel> instead.


M204 [P<accel>] [R<accel>] [S<accel>] [T<accel>]


  • [P<accel>] Printing acceleration. Used for moves that include extrusion (i.e., which employ the current tool).

  • [R<accel>] Retract acceleration. Used for extruder retraction moves.

  • [S<accel>] Legacy parameter for move acceleration. Set both printing and travel acceleration.

  • [T<accel>] Travel acceleration. Used for moves that include no extrusion.

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