- G0 -> G1 except for laser where G0 is "move without firing"
- G1 - Coordinated Movement X Y Z E F(feedrate) P(Purge), for laser move by firing
- G2 - CW ARC
- G3 - CCW ARC
- G4 - Dwell S[seconds] or P[milliseconds], delay in Second or Millisecond
- G5 - Bezier curve - from http://forums.reprap.org/read.php?147,93577
- G7 - Laser raster base64
- G10 - retract filament according to settings of M207
- G11 - retract recover filament according to settings of M208
- G28 - X Y Z Home all Axis. M for bed manual setting with LCD. B return to back point
- G29 - Detailed Z-Probe, probes the bed at 3 points or grid. You must be at the home position for this to work correctly. G29 Fyyy Lxxx Rxxx Byyy for customer grid.
- G30 - Single Z Probe, probes bed at current XY location. Bed Probe and Delta geometry Autocalibration G30 A
- G31 - Dock Z Probe sled (if enabled)
- G32 - Undock Z Probe sled (if enabled)
- G60 - Save current position coordinates (all axes, for active extruder). S - specifies memory slot # (0-based) to save into (default 0).
- G61 - Apply/restore saved coordinates to the active extruder. X Y Z E - Value to add at stored coordinates. F - Set Feedrate. S - specifies memory slot # (0-based) to restore from (default 0).
- G90 - Use Absolute Coordinates
- G91 - Use Relative Coordinates
- G92 - Set current position to cordinates given
- M0 - Unconditional stop - Wait for user to press a button on the LCD (Only if ULTRA_LCD is enabled)
- M1 - Same as M0
- M3 - S[0-255] Put output in laser beam control
- M4 - Turn on laser beam
- M5 - Turn off laser beam
- M11 - Start/Stop printing serial mode
- M17 - Enable/Power all stepper motors
- M18 - Disable all stepper motors; same as M84
- M20 - List SD card
- M21 - Init SD card
- M22 - Release SD card
- M23 - Select SD file (M23 filename.g)
- M24 - Start/resume SD print
- M25 - Pause SD print
- M26 - Set SD position in bytes (M26 S12345)
- M27 - Report SD print status
- M28 - Start SD write (M28 filename.g)
- M29 - Stop SD write
- M30 - Delete file from SD (M30 filename.g)
- M31 - Output time since last M109 or SD card start to serial
- M32 - Make directory
- M33 - Stop printing, close file and save restart.gcode
- M34 - Open file and start print
- M35 - Upload Firmware to Nextion from SD
- M42 - Change pin status via gcode Use M42 Px Sy to set pin x to value y, when omitting Px the onboard led will be used.
- M48 - Measure Z_Probe repeatability. M48 [P # of points] [X position] [Y position] [V_erboseness #] [E_ngage Probe] [L # of legs of travel]
- M70 - Power consumption sensor calibration
- M80 - Turn on Power Supply
- M81 - Turn off Power, including Power Supply, if possible
- M82 - Set E codes absolute (default)
- M83 - Set E codes relative while in Absolute Coordinates (G90) mode
- M84 - Disable steppers until next move, or use S[seconds] to specify an inactivity timeout, after which the steppers will be disabled. S0 to disable the timeout.
- M85 - Set inactivity shutdown timer with parameter S[seconds]. To disable set zero (default)
- M92 - Set axis_steps_per_unit - same syntax as G92
- M96 - Print ZWobble value
- M97 - Set ZWobble parameter M97 A<Amplitude_in_mm> W<period_in_mm> P<phase_in_degrees>
- M98 - Print Hysteresis value
- M99 - Set Hysteresis parameter M99 X Y Z E
- M100 - Watch Free Memory (For Debugging Only)
- M104 - Set hotend target temp
- M105 - Read current temp
- M106 - Fan on
- M107 - Fan off
- M109 - S[xxx] Wait for hotend current temp to reach target temp. Waits only when heating - R[xxx] Wait for hotend current temp to reach target temp. Waits when heating and cooling
- M110 - Set the current line number
- M111 - Set debug flags with S.
- M112 - Emergency stop
- M114 - Output current position to serial port
- M115 - Capabilities string
- M117 - Display a message on the controller screen
- M119 - Output Endstop status to serial port
- M120 - Enable endstop detection
- M121 - Disable endstop detection
- M122 - S<1=true/0=false> Enable or disable check software endstop
- M126 - Solenoid Air Valve Open (BariCUDA support by jmil)
- M127 - Solenoid Air Valve Closed (BariCUDA vent to atmospheric pressure by jmil)
- M128 - EtoP Open (BariCUDA EtoP = electricity to air pressure transducer by jmil)
- M129 - EtoP Closed (BariCUDA EtoP = electricity to air pressure transducer by jmil)
- M140 - Set hot bed target temp
- M141 - Set hot chamber target temp
- M142 - Set cooler target temp
- M145 - Set the heatup state H B F for S (0=PLA, 1=ABS)
- M150 - Set BlinkM Color Output R: Red<0-255> U(!): Green<0-255> B: Blue<0-255> over i2c, G for green does not work.
- M163 - Set a single proportion for a mixing extruder. Requires COLOR_MIXING_EXTRUDER.
- M164 - Save the mix as a virtual extruder. Requires COLOR_MIXING_EXTRUDER and MIXING_VIRTUAL_TOOLS.
- M165 - Set the proportions for a mixing extruder. Use parameters ABCDHI to set the mixing factors. Requires COLOR_MIXING_EXTRUDER.
- M190 - S[xxx] Wait for bed current temp to reach target temp. Waits only when heating - R[xxx] Wait for bed current temp to reach target temp. Waits when heating and cooling
- M191 - Sxxx Wait for chamber current temp to reach target temp. Waits only when heating
-
Rxxx Wait for chamber current temp to reach target temp. Waits when heating and cooling
- M192 - Sxxx Wait for cooler current temp to reach target temp. Waits only when heating
-
Rxxx Wait for cooler current temp to reach target temp. Waits when heating and cooling
- M200 - D[millimeters]- set filament diameter and set E axis units to cubic millimeters (use S0 to set back to millimeters).
- M201 - Set max acceleration in units/s^2 for print moves (M201 X1000 Y1000 Z1000 E0 S1000 E1 S1000 E2 S1000 E3 S1000) in mm/sec^2
- M203 - Set maximum feedrate that your machine can sustain (M203 X200 Y200 Z300 E0 S1000 E1 S1000 E2 S1000 E3 S1000) in mm/sec
- M204 - Set Accelerations in mm/sec^2: S printing moves, R Retract moves(only E), T travel moves (M204 P1200 R3000 T2500) im mm/sec^2 also sets minimum segment time in ms (B20000) to prevent buffer underruns and M20 minimum feedrate.
- M205 - advanced settings: minimum travel speed S=while printing T=travel only, B=minimum segment time X= maximum xy jerk, Z=maximum Z jerk, E=maximum E jerk
- M206 - set additional homing offset
- M207 - set retract length S[positive mm] F[feedrate mm/min] Z[additional zlift/hop], stays in mm regardless of M200 setting
- M208 - set recover=unretract length S[positive mm surplus to the M207 S*] F[feedrate mm/min]
- M209 - S[1=true/0=false] enable automatic retract detect if the slicer did not support G10/11: every normal extrude-only move will be classified as retract depending on the direction.
- M218 - set hotend offset (in mm): T[extruder_number] X[offset_on_X] Y[offset_on_Y]
- M220 - S[factor in percent] - set speed factor override percentage
- M221 - T S - set extrude factor override percentage
- M222 - T S - set density extrude factor percentage for purge
- M240 - Trigger a camera to take a photograph
- M280 - Position an RC Servo P[index] S[angle/microseconds], ommit S to report back current angle
- M300 - Play beep sound S[frequency Hz] P[duration ms]
- M301 - Set PID parameters P I and D
- M302 - Allow cold extrudes
- M303 - PID relay autotune S sets the target temperature (default target temperature = 150C). H C U
- M304 - Set hot bed PID parameters P I and D
- M305 - Set hot chamber PID parameters P I and D
- M306 - Set cooler PID parameters P I and D
- M350 - Set microstepping mode.
- M351 - Toggle MS1 MS2 pins directly.
- M400 - Finish all moves
- M401 - Lower z-probe if present
- M402 - Raise z-probe if present
- M404 - D[dia in mm] Enter the nominal filament width (3mm, 1.75mm) or will display nominal filament width without parameters
- M405 - Turn on Filament Sensor extrusion control. Optional D[delay in cm] to set delay in centimeters between sensor and extruder
- M406 - Turn off Filament Sensor extrusion control
- M407 - Displays measured filament diameter
- M408 - Report JSON-style response
- M410 - Quickstop. Abort all the planned moves
- M420 - Enable/Disable Mesh Bed Leveling
- M421 - Set a single Mesh Bed Leveling Z coordinate. M421 X Y Z' or 'M421 I J Z
- M428 - Set the home_offset logically based on the current_position
- M500 - stores paramters in EEPROM
- M501 - reads parameters from EEPROM (if you need reset them after you changed them temporarily).
- M502 - reverts to the default "factory settings". You still need to store them in EEPROM afterwards if you want to.
- M503 - print the current settings (from memory not from EEPROM)
- M522 - Use for reader o writer tag width MFRC522. M522 T R(read) W(write) L(print list data on tag)
- M540 - Use S[0|1] to enable or disable the stop SD card print on endstop hit (requires ABORT_ON_ENDSTOP_HIT_FEATURE_ENABLED)
- M595 - Set hotend AD595 offset and gain
- M600 - Pause for filament change X[pos] Y[pos] Z[relative lift] E[initial retract] L[later retract distance for removal]
- M605 - Set dual x-carriage movement mode: Smode [ X Rduplication temp offset ]
- M649 - Set laser options. S L P B R F
- M666 - Set z probe offset or Endstop and delta geometry adjustment. M666 L for list command
- M906 - Set motor currents XYZ T0-4 E
- M907 - Set digital trimpot motor current using axis codes.
- M908 - Control digital trimpot directly.
- M928 - Start SD logging (M928 filename.g) - ended by M29
- M997 - NPR2 Color rotate
- M999 - Restart after being stopped by error