| M0 |
ULTRA LCD |
Unconditional stop - Wait for user to press a button on the LCD |
| M1 |
\\ |
Same as M0 |
| M3 |
LASER |
S[value] L[duration] P[ppm] D[diagnostic] B[set mode] in laser beam control |
| M4 |
CNCROUTERS |
S[value] - CNC clockwise speed |
| M5 |
LASER or CNCROUTERS |
Turn off laser beam or CNC |
| M6 |
CNCROUTERS |
Tool change CNC |
| M16 |
- |
Expected printer check |
| M17 |
- |
Enable stepper motors |
| M18 |
- |
Disable stepper motors; same as M84 |
| M20 |
SDCARD |
List SD card |
| M21 |
SDCARD |
Init SD card |
| M22 |
SDCARD |
Release SD card |
| M23 |
SDCARD |
Select SD file (M23 filename.g) |
| M24 |
SDCARD |
Start/resume SD print |
| M25 |
SDCARD |
Pause SD print |
| M26 |
SDCARD |
Set SD position in bytes (M26 S12345) |
| M27 |
SDCARD |
Report SD print status |
| M28 |
SDCARD |
Start SD write (M28 filename.g) |
| M29 |
SDCARD |
Stop SD write |
| M30 |
SDCARD |
Delete file from SD (M30 filename.g) |
| M31 |
SDCARD |
Output time since last M109 or SD card start to serial |
| M32 |
SDCARD |
Make directory |
| M34 |
SDCARD |
Set SD Card Sorting Options |
| M35 |
NEXTION |
Upload Firmware to Nextion from SD |
| M36 |
SDCARD |
Set SD Card Sorting Options |
| 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. |
| M43 |
PINS DEBUGGING |
Display pin status, watch pins for changes, watch endstops & toggle LED, Z servo probe test, toggle pins Report name and state of pin(s) P[pin] - Pin to read or watch. If omitted, reads all pins I - Flag to ignore Mk4duo's pin protection W - Watch pins -reporting changes- until reset, click, or M108 P[pin] - Pin to read or watch. If omitted, read/watch all pins I - Flag to ignore Marlin's pin protection, E[bool] - Enable / disable background endstop monitoring - Machine continues to operate - Reports changes to endstops - Toggles LED when an endstop changes - Can not reliably catch the 5mS pulse from BLTouch type probes T - Toggle pin(s) and report which pin is being toggled S[pin] - Start Pin number. If not given, will default to 0 L[pin] - End Pin number. If not given, will default to last pin defined for this board I - Flag to ignore Mk4duo's pin protection Use with caution!!! R - Repeat pulses on each pin this number of times before continueing to next pin W - Wait time (in miliseconds) between pulses. If not given will default to 500 S - Servo probe test P[index] - Probe index (optional - defaults to 0 |
| M43 |
- |
M43 S1 P[servo] Z servo probe test. |
| M44 |
- |
Codes debug - report codes available (and how many of them there are) I - G-code list J - M-code list |
| M48 |
- |
Measure Z Probe repeatability. M48 [P # of points] [X position] [Y position] [V_erboseness #] [E_ngage Probe] [L # of legs of travel] |
| M48 |
G26 MESH VALIDATION |
Turn on or off G26 debug flag for verbose output. |
| M70 |
- |
Power consumption sensor calibration |
| M73 |
- |
P[percent] Set percentage complete (compatibility with Marlin) |
| M75 |
- |
Start the print job timer |
| M76 |
- |
Pause the print job timer |
| M77 |
- |
Stop the print job timer |
| M78 |
- |
Show statistical information about the print jobs |
| 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) |
| M86 |
- |
Set safety timer expiration with parameter M[minutes]. To disable set zero |
| M92 |
- |
Set axis steps per unit - same syntax as G92, H[microstep] L[Layer wanted] |
| M99 |
HYSTERESIS FEATURE |
Set Hysteresis parameter M99 X[in mm] Y[in mm] Z[in mm] F[float] Enable/disable/fade-out hysteresis correction (0.0 to 1.0) |
| M100 |
- |
Watch Free Memory (For Debugging Only) |
| M104 |
- |
T[int] 0-5 For Select Hotends (default 0), S[C°] Set hotend target temperature, R[C°] Set hotend idle temperature |
| M105 |
- |
Read current temp |
| M106 |
- |
P[fan] S[speed] F[frequency] U[pin] L[min speed] X[max speed] I[inverted logic] H[int] Set Auto mode - H=7 for controller - H-1 for disabled T[int] Triggered temperature |
| M107 |
- |
P[fan] Fan off |
| M108 |
EMERGENCY PARSER |
Break out of heating loops (M109, M190, M303). With no controller, breaks out of M0/M1. |
| 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. IF AUTOTEMP is enabled, S[mintemp] B[maxtemp] F[factor]. Exit autotemp by any M109 without F |
| M110 |
- |
Set the current line number |
| M111 |
- |
Set debug flags with S[mask]. |
| M112 |
- |
Emergency stop |
| M113 |
- |
Set Host Keepalive interval with parameter S[seconds]. To disable set zero |
| M114 |
- |
Output current position to serial port |
| M115 |
EXTENDED CAPABILITIES REPORT* |
Report capabilities. (* for extended capabilities) |
| M116 |
- |
Wait for all heaters to reach target temperature |
| M117 |
- |
Display a message on the controller screen |
| M118 |
- |
Display a message in the host console |
| M119 |
- |
Output Endstop status to serial port |
| M120 |
- |
Enable endstop detection |
| M121 |
- |
Disable endstop detection |
| M122 |
MIN SOFTWARE ENDSTOPS or MAX SOFTWARE ENDSTOPS |
S[bool] Enable or disable check software endstop |
| M123 |
ENDSTOP |
Set Endstop Logic X[bool] Y[bool] Z[bool] I[X2 bool] J[Y2 bool] K[Z2 bool] P[Probe bool] D[Door bool] |
| M124 |
ENDSTOP |
Set Endstop Pullup X[bool] Y[bool] Z[bool] I[X2 bool] J[Y2 bool] K[Z2 bool] P[Probe bool] D[Door bool] |
| M125 |
PARK HEAD ON PAUSE |
Save current position and move to pause park position |
| 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 |
- |
T[int] 0-3 For Select Beds (default 0), S[C°] Set hot bed target temperature, R[C°] Set hot bed idle temperature |
| M141 |
- |
T[int] 0-3 For Select Chambers (default 0), S[C°] Set hot chamber target temperature, R[C°] Set hot chamber idle temperature |
| M142 |
- |
S[C°] Set cooler target temperature |
| M145 |
- |
Set the heatup state H[hotend] B[bed] C[chamber] F[fan speed] for S[material] (0=PLA, 1=ABS, 2=GUM) |
| M149 |
- |
Set temperature units |
| M150 |
BLINKM, RGB LED, RGBW LED, or PCA9632 |
Set Status LED Color as R[red] U[green] B[blue] values 0-255 |
| M155 |
- |
Auto report temperatures S[bool] Enable/disable |
| M163 |
COLOR MIXING EXTRUDER |
S[index] P[float] Set a single proportion for a mixing extruder |
| M164 |
COLOR MIXING EXTRUDER |
S[index] Save the mix as a virtual extruder |
| M165 |
COLOR MIXING EXTRUDER |
Set the proportions for a mixing extruder. Use parameters ABCDHI to set the mixing factors |
| M166 |
COLOR MIXING EXTRUDER |
S[bool] A[float] Z[float] I[index] J[index] Set the Gradient Mix for the mixing extruder. (only firts two Extruder) |
| 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 |
| 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 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: P for Printing moves, R for Retract moves and V for Travel (non printing) moves (ex. M204 P800 V3000 T0 R9000) |
| M205 |
- |
Set 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, J=Junction deviation mm |
| 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): H[hotend_number] X[offset_on_X] Y[offset_on_Y] Z[offset_on_Z] |
| M220 |
- |
S[factor in percent] - set speed factor override percentage |
| M221 |
- |
T[extruder] S[factor in percent] - set extrude factor override percentage |
| M222 |
- |
T[extruder] S[factor in percent] - set density extrude factor percentage for purge |
| M223 |
FILAMENT_RUNOUT_SENSOR |
T[extruder] S[bool] set Filrunout Logic |
| M224 |
FILAMENT_RUNOUT_SENSOR |
T[extruder] S[bool] set Filrunout Pullup |
| M228 |
- |
Set axis min/max travel. S[bool] 0 = set axis maximum (default), 1 = set axis minimum, Xnnn X axis limit, Ynnn Y axis limit, Znnn Z axis limit |
| M240 |
- |
Trigger a camera to take a photograph |
| M280 |
SERVO |
Position an RC Servo P[index] S[angle/microseconds], ommit S to report back current angle |
| M281 |
SERVO |
Set servo low |
| M300 |
- |
Play beep sound S[frequency Hz] P[duration ms] |
| M301 |
- |
Set PID parameters P I D and C. H[heaters] H = 0-3 Hotend, H = -1 BED, H = -2 CHAMBER, H = -3 COOLER, P[float] Kp term, I[float] Ki term, D[float] Kd term. With PID ADD EXTRUSION RATE: C[float] Kc term, L[float] LPQ length |
| M302 |
- |
Allow cold extrudes, or set the minimum extrude S[temperature]. |
| M303 |
- |
PID relay autotune: H[heaters] H = 0-3 Hotend, H = -1 BED, H = -2 CHAMBER, H = -3 COOLER, S[temperature] sets the target temperature (default target temperature = 200C), C[cycles>, R[method>, U[Apply result>, R[Method] 0 = Classic Pid, 1 = Some overshoot, 2 = No Overshoot, 3 = Pessen Pid. |
| M305 |
- |
Set thermistor and ADC parameters: H[heaters] H = 0-3 Hotend, H = -1 BED, H = -2 CHAMBER, H = -3 COOLER, A[float] Thermistor resistance at 25°C, B[float] BetaK, C[float] Steinhart-Hart C coefficien, R[float] Pullup resistor value, L[int] ADC low offset correction, O[int] ADC high offset correction, P[int] Sensor Pin. Set DHT sensor parameter: D0 P[int] Sensor Pin, S[int] Sensor Type (11, 21, 22). |
| M306 |
- |
Set Heaters parameters: H[heaters] H = 0-3 Hotend, H = -1 BED, H = -2 CHAMBER, H = -3 COOLER, A[int] Power Drive Min, B[int] Power Drive Max, C[int] Power Max, F[int] Frequency, L[int] Min temperature, O[int] Max temperature, U[bool] Use Pid/bang bang, I[bool] Hardware Inverted, T[bool] Thermal Protection, P[int] Pin, Q[bool] PWM Hardware |
| M350 |
- |
Set microstepping mode. |
| M351 |
- |
Toggle MS1 MS2 pins directly. |
| M352 |
- |
Set driver pins. X X2 Y Y2 Z Z2 Z3 T0-5 E[Enable pin] D[Dir pin] S[Step pin] L[enable logic] M[step logic] |
| M355 |
- |
Turn case lights on/off S[bool] on-off, P[brightness] |
| M360 |
MECH - SCARA |
Move to cal-position ThetaA (0 deg calibration) |
| M361 |
MECH - SCARA |
Move to cal-position ThetaB (90 deg calibration - steps per degree) |
| M362 |
MECH - SCARA |
Move to cal-position PsiA (0 deg calibration) |
| M363 |
MECH - SCARA |
Move to cal-position PsiB (90 deg calibration - steps per degree) |
| M364 |
MECH - SCARA |
Move to cal-position PSIC (90 deg to Theta calibration position) |
| M380 |
- |
Activate solenoid on active extruder |
| M381 |
- |
Disable all solenoids |
| 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 |
| M413 |
SD_RESTART_FILE |
S[bool] Enable / Disable Restart Job |
| M420 |
- |
Enable/Disable Leveling (with current values) S1=enable S0=disable (Requires MBL, UBL or ABL), Z[height] for leveling fade height (Requires ENABLE LEVELING FADE HEIGHT) |
| M422 |
Z_STEPPER_AUTO_ALIGN |
Z-Stepper automatic alignment parameter selection S[stepper] X[value] Y[value] |
| M421 |
- |
Set a single Z coordinate in the Mesh Leveling grid. M421 X[mm] Y[mm] Z[mm>' or 'M421 I[xindex] J[yindex] Z[mm] (Requires MBL, UBL or ABL BILINEAR) |
| M428 |
- |
Set the home_offset logically based on the current_position |
| M450 |
- |
Report Printer Mode |
| M451 |
- |
Select FFF Printer Mode |
| M452 |
- |
Select Laser Printer Mode |
| M453 |
- |
Select CNC Printer Mode |
| 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) |
| M504 |
- |
Validate EEPROM Contents |
| M505 |
- |
Clear EEPROM and RESET Printer |
| M512 |
- |
Print Extruder Encoder status Pin. (Requires Extruder Encoder) |
| M522 |
- |
Use for reader o writer tag with MFRC522. M522 T[extruder] R(read) W(write) L(print list data on tag) |
| M524 |
SDCARD |
Abort the current SD print job (started with M24). |
| M530 |
- |
Enables explicit printing mode (S1) or disables it (S0). L can set layer count |
| M531 |
- |
Filename - Define filename being printed |
| M532 |
- |
X[percent] L[curLayer] - update current print state progress (X=0..100) and layer L |
| M540 |
SD_ABORT_ON_ENDSTOP_HIT |
Use S[0|1] to enable or disable the stop print on endstop hit |
| M575 |
|
Change serial baud rate P[Port index] B[Baudrate] |
| M569 |
- |
Stepper driver control X[bool] Y[bool] Z[bool] T[extruders] E[bool] set direction, D[long] set direction delay, P[int] set minimum pulse, R[long] set maximum rate, Q[bool] Enable/Disable Double/Quad stepping. |
| M595 |
- |
Set AD595 or AD8495 offset & Gain H[hotend] O[offset] S[gain] |
| M600 |
ADVANCED PAUSE FEATURE |
Pause for filament change T[toolhead] X[pos] Y[pos] Z[relative lift] E[initial retract] U[Retract distance] L[Extrude distance] S[new temp] B[Number of beep] |
| M603 |
ADVANCED PAUSE FEATURE |
Set filament change T[toolhead] U[Retract distance] L[Extrude distance] |
| M605 |
- |
Set dual x-carriage movement mode: Smode [ X[duplication x-offset] Rduplication temp offset ] |
| M649 |
- |
Set laser options. S[intensity] L[duration] P[ppm] B[set mode] R[raster mm per pulse] F[feedrate] |
| M666 |
DELTA |
Delta geometry adjustment |
| M666 |
TWO ENDSTOPS |
Set Two Endstops offsets for X, Y, and/or Z. X[float] Y[float] Z[float] |
| M701 |
ADVANCED PAUSE FEATURE |
Load Filament T[toolhead] Z[distance] L[Extrude distance] |
| M702 |
ADVANCED PAUSE FEATURE |
Unload Filament T[toolhead] Z[distance] U[Retract distance] |
| M800 |
SD_RESTART_FILE |
S goto to lcd menu. With no parameters run restart commands |
| M851 |
Probe |
Set X Y Z Probe Offset in current units, set speed [F]ast and [S]low in mm/min, [R]epetititons |
| M900 |
LIN ADVANCE |
K[factor] Set Linear Advance K-factor |
| M906 |
ALLIGATOR or TRINAMIC |
Set motor currents XYZ T0-4 E. Set or get motor current in milliamps using axis codes X, Y, Z, E. Report values if no axis codes given. |
| M907 |
a board with digital trimpots |
Set digital trimpot motor current using axis codes |
| M908 |
DIGIPOTSS PIN |
Control digital trimpot directly |
| M911 |
TRINAMIC |
Report stepper driver overtemperature pre-warn condition |
| M912 |
TRINAMIC |
Clear stepper driver overtemperature pre-warn condition flag |
| M913 |
HYBRID THRESHOLD |
Set HYBRID THRESHOLD speed |
| M914 |
SENSORLESS HOMING |
Set SENSORLESS HOMING sensitivity |
| M915 |
TRINAMIC |
TMC Z axis calibration routine |
| M922 |
TRINAMIC |
S[1/0] Enable/disable TMC debug, X Y Z E for view axis, V see register, none see all |
| M930 |
TRINAMIC |
TMC set blank_time. |
| M931 |
TRINAMIC |
TMC set off_time. |
| M932 |
TRINAMIC |
TMC set hysteresis_start. |
| M933 |
TRINAMIC |
TMC set hysteresis_end. |
| M935 |
TRINAMIC |
TMC set disable_I_comparator. |
| M936 |
TRINAMIC |
TMC set stealth_gradient. |
| M937 |
TRINAMIC |
TMC set stealth_amplitude. |
| M938 |
TRINAMIC |
TMC set stealth_freq. |
| M939 |
TRINAMIC |
TMC switch stealth_autoscale. |
| M940 |
TRINAMIC |
TMC switch StealthChop. |
| M941 |
TRINAMIC |
TMC switch ChopperMode. |
| M942 |
TRINAMIC |
TMC switch interpolation. |
| M995 |
NEXTION |
X Y Z Set origin for graphic in NEXTION |
| M996 |
NEXTION |
S[scale] Set scale for graphic in NEXTION |
| M999 |
NOPE |
Restart after being stopped by error |