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README.md

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G0 -> G1

  • G1 - Coordinated Movement X Y Z E

  • G2 - CW ARC

  • G3 - CCW ARC

  • G4 - Dwell S or P

  • G10 - retract filament according to settings of M207

  • G11 - retract recover filament according to settings of M208

  • G28 - Home all Axis

  • G29 - Detailed Z-Probe, probes the bed at 3 or more points. Will fail if you haven't homed yet.

  • G30 - Single Z Probe, probes bed at current XY location.

  • G31 - Dock sled (Z_PROBE_SLED only)

  • G32 - Undock sled (Z_PROBE_SLED only)

  • G90 - Use Absolute Coordinates

  • G91 - Use Relative Coordinates

  • G92 - Set current position to coordinates given

  • M Codes

  • M0 - Unconditional stop - Wait for user to press a button on the LCD (Only if ULTRA_LCD is enabled)

  • M1 - Same as M0

  • 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 - Select file and start SD print (Can be used while printing from SD card files):

  •     syntax "M32 /path/filename#", or "M32 S<startpos bytes> !filename#"

  •     Call gcode file : "M32 P !filename#" and return to caller file after finishing (similar to #include).

  •     The '#' is necessary when calling from within sd files, as it stops buffer prereading

  • 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.

  • M80 - Turn on Power Supply

  • M81 - Turn off Power Supply

  • 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. To disable set zero (default)

  • M92 - Set axis_steps_per_unit - same syntax as G92

  • M104 - Set extruder target temp

  • M105 - Read current temp

  • M106 - Fan on

  • M107 - Fan off

  • M109 - Sxxx Wait for extruder current temp to reach target temp. Waits only when heating

  •     Rxxx Wait for extruder current temp to reach target temp. Waits when heating and cooling

  •     IF AUTOTEMP is enabled, S<mintemp> B<maxtemp> F<factor>. Exit autotemp by any M109 without F

  • M112 - Emergency stop

  • M114 - Output current position to serial port

  • M115 - Capabilities string

  • M117 - display message

  • M119 - Output Endstop status to serial port

  • 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 bed target temp

  • 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.

  • M190 - Sxxx Wait for bed current temp to reach target temp. Waits only when heating

  •     Rxxx Wait for bed current temp to reach target temp. Waits when heating and cooling

  • M200 D- 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)

  • M202 - Set max acceleration in units/s^2 for travel moves (M202 X1000 Y1000) Unused in Marlin!!

  • M203 - Set maximum feedrate that your machine can sustain (M203 X200 Y200 Z300 E10000) in mm/sec

  • M204 - Set default acceleration: S normal moves T filament only moves (M204 S3000 T7000) in mm/sec^2 also sets minimum segment time in ms (B20000) to prevent buffer under-runs 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/sec]

  • 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- set speed factor override percentage

  • M221 S- set extrude factor override percentage

  • M226 P S- Wait until the specified pin reaches the state required

  • M240 - Trigger a camera to take a photograph

  • M250 - Set LCD contrast C (value 0..63)

  • M280 - set servo position absolute. P: servo index, S: angle or microseconds

  • M300 - Play beep sound S P

  • M301 - Set PID parameters P I and D

  • M302 - Allow cold extrudes, or set the minimum extrude S.

  • M303 - PID relay autotune S sets the target temperature. (default target temperature = 150C)

  • M304 - Set bed PID parameters P I and D

  • M400 - Finish all moves

  • M401 - Lower z-probe if present

  • M402 - Raise z-probe if present

  • M404 - N 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 to set delay in centimeters between sensor and extruder

  • M406 - Turn off Filament Sensor extrusion control

  • M407 - Displays measured filament diameter

  • M500 - stores parameters 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)

  • M540 - Use S[0|1] to enable or disable the stop SD card print on endstop hit (requires ABORT_ON_ENDSTOP_HIT_FEATURE_ENABLED)

  • M600 - Pause for filament change X[pos] Y[pos] Z[relative lift] E[initial retract] L[later retract distance for removal] -

  • M665 - set delta configurations

  • M666 - set delta endstop adjustment

  • M907 - Set digital trimpot motor current using axis codes.

  • M908 - Control digital trimpot directly.

  • M350 - Set microstepping mode.

  • M351 - Toggle MS1 MS2 pins directly.

  • ************ SCARA Specific - This can change to suit future G-code regulations

  • M360 - SCARA calibration: Move to cal-position ThetaA (0 deg calibration)

  • M361 - SCARA calibration: Move to cal-position ThetaB (90 deg calibration - steps per degree)

  • M362 - SCARA calibration: Move to cal-position PsiA (0 deg calibration)

  • M363 - SCARA calibration: Move to cal-position PsiB (90 deg calibration - steps per degree)

  • M364 - SCARA calibration: Move to cal-position PSIC (90 deg to Theta calibration position)

  • M365 - SCARA calibration: Scaling factor, X, Y, Z axis

  • ************* SCARA End ***************

  • M928 - Start SD logging (M928 filename.g) - ended by M29

  • M999 - Restart after being stopped by error