| **Code** | **Description** | **Example** |
|---|---|---|
| G29.1 | Set Z-trim value to #
Use 0 to clear Z-trim | Squish for Textured PEI ```G-Code G29.1 Z-0.04 ``` |
| G29.2 | Bed leveling compensation (ABL) | Disable ABL ```G-Code G29.2 S0 ``` Enable ABL ```G-Code G29.2 S1 ``` |
| G29.4 | High frequency z compensation | Turn off high frequency z compensation ``` G29.4 S0 ``` Turn on high frequency z compensation ```G-Code G29.4 S1 ``` |
| M205 | Sets the jerk limits in mm/sec for the X Y Z and E motions
If you are not chainging an jerk limit axis you do not need to explicity list it | ``` M205 X0.5 Y1.01 Z2.02 E3.03 ``` |
| M17 X/Y/Z#.# | Set X/Y/Z Stepper Motor Current
Be EXTREMELY careful using this command as it is VERY EASY to cause hardware damage with it should you set it too high!!! | set Z stepper current to 0.4 Amps ```G-Code M17 Z0.4 ``` |
| M106 P1 S0-255 | Part cooling fan off-full\*\*\* | Sets the part fan on at 70% ```G-Code M106 P1 S180 ``` Sets the Aux fan on at 100% ```G-Code M106 P2 S255 ``` Sets the chamber fan on at 0% ``` M106 P3 S0 ``` Sets the part fan on at 70% ``` M106 A1 S180 ``` |
| M142 | Chamber Fan Temp Control | Set chamber fan to min start rpm @35° and ramp to full speed at 40° ```G-Code M142 P1 R35 S40 ``` |
| M400 | Pause | Pause until all movement completes ``` M400 ``` Pause for 10 seconds ```G-Code M400 S10 ``` Pause for User Interaction ``` M400 U1 ``` Pause for 500 miliseconds ```G-Code M400 P500 ``` |
| M220 | Set feed rate to percent of normal.
Default Speed is 100 | Set print rate to Ludicrous Speed. ```G-Code M220 S166 ``` |
| M221 | Set Flow rate | disable the X endstop and enable them on Y and Z) ```G-Code M221 S100 ``` |
| Disable endstop
If you are not chainging an endstop you do not need to explicity list it | disable the X endstop and enable them on Y and Z) ```G-Code M221 X0 Y1 Z1 ``` | |
| M622 | Conditional code block and execute if selected flag is True, otherwise skip to the end of the code block
Used with M1002 | Execute if false ```G-Code M622 J0 ``` Execute if true ```G-Code M622 J1 ``` |
| M623 | End of the conditional code block | ``` M623 ``` |
| M710 A1 S0-255 | Motor Control (MC) Board fan off-full
Be EXTREMELY careful using this command as it is VERY EASY to cause hardware damage with it should you set it too high!!! | Sets the part fan on at 70% ``` M106 A1 S180 ``` |
| M900 | Set Pressure Advance, also known as Bambu Labs call this the K-value. | ``` M900 K0.023 ``` |
| M960 S0 P0 | Toolhead Lighting and Lazers | Turn off all Leds ``` M960 S0 P0 ``` Turn on all Leds ``` M960 S0 P1 ``` Horizontal Laser Off ``` M960 S1 P0 ``` Horizontal Laser On ``` M960 S1 P1 ``` Vertical Laser Off ``` M960 S2 P0 ``` Vertical Laser On ``` M960 S2 P1 ``` Toolhead Light Off (micro-lidar) ``` M960 S4 P0 ``` Toohead Light On ```G-Code M960 S4 P1 ``` Toolhead Logo Light Off ```G-Code M960 S5 P0 ``` Toolhead Logo Light On ``` M960 S5 P1 ``` |
| M970.3 | Play mech mode test vibrations | ``` M970.3 Q0 A7 B30 C90 Q0 H15 K0 ``` ``` M970.3 Q1 A7 B30 C80 H15 K0 ``` |
| M971 | Internal Camera Control | Take photo ```G-Code M971 S11 C10 O0 ``` |
| M972 | Calibrate Micro-Lidar | Move Lidar to calibration sticker ```G-Code M972 S5 P0 ``` |
| M973 | Toolhead Camera | Enable Auto Exposure ``` M973 S1 ``` Camera Off ```G-Code M973 S3 ``` Camera On ```G-Code M973 S3 ``` Turn off Micro-Lidar ```G-Code M973 S4 ``` Set Auto Exposure for Horizontal :Laser ```G-Code M973 S6 P0 ``` Set Auto Exposure for Vertical Laser ```G-Code M973 S6 P1 ``` |
| M974 | Set Mech Mode Suppression Values | ```G-Code M974 Q0 S2 P0 ``` ```G-Code M974 Q1 S2 P0 ``` |
| M975 | Mech Mode Supression | turn off mech mode supression ```G-Code M975 S0 ``` turn on mech mode supression ```G-Code M975 S1 ``` |
| M976 | ```G-Code M976 S3 P2 ``` Scan Heatbead before printing ```G-Code M976 S2 P1 ``` First Layer Scan ```G-Code M976 S1 P1 ``` | |
| M977 | first layer scanning | Enable first layer scanning ```G-Code M971 S11 C10 O0 ``` ```G-Code M971 S11 C10 O0 ``` |
| M981 | Spaghetti detector | Spaghetti detector off ``` M981 S0 P20000 ``` Spagetti detector on ```G-Code M981 S1 P20000 ``` |
| M982.2 | Motor Noise Cancelation | Turn off motor noise cancelation ``` M982.2 C0 ``` Turn on motor noise cancelation ``` M982.2 C1 ``` |
| M991 | Layer Change | Notify Printer of Layer Change where # is the current layer number ```G-code M991 S0 P# ``` Finish Smooth timelapse ```G-Code M991 S0 P-1 ``` |
| M620 C# | calibrate AMS by AMS index | |
| M620 R# | refresh AMS by tray index | |
| M620 P# | select AMS tray by tray index | |
| M620 S# | select AMS by tray index | Pull Filament back into AMS ```G-Code M620 S255 ``` |
| M621 S# | load filament in AMS by tray index | |
| M1002 | Select flag for conditional commands from slicer | Check to see if extrusion calibration was set in the slicer ```G-Code “M1002 judge_flag extrude_cali_flag” ``` |
| Update Printer Status on Slicer / LCD | Clear (Set to printing) ``` M1002 gcode_claim_action: 0 ``` Auto bed levelling ``` M1002 gcode_claim_action: 1 ``` Heatbed preheating ``` M1002 gcode_claim_action: 2 ``` Sweeping XY mech mode ``` M1002 gcode_claim_action: 3 ``` Changing filament ``` M1002 gcode_claim_action: 4 ``` Pause (M400) ``` M1002 gcode_claim_action: 5 ``` Paused due to filament runout ``` M1002 gcode_claim_action: 6 ``` Heating hotend ``` M1002 gcode_claim_action: 7 ``` Calibrating extrusion ``` M1002 gcode_claim_action: 8 ``` Scanning bed surface ``` M1002 gcode_claim_action: 9 ``` Inspecting first layer ``` M1002 gcode_claim_action: 10 ``` Identifying build plate type ``` M1002 gcode_claim_action: 11 ``` Calibrating Micro Lidar ``` M1002 gcode_claim_action: 12 ``` Homing Toolhead ``` M1002 gcode_claim_action: 13 ``` Cleaning Nozzle Tip ``` M1002 gcode_claim_action: 14 ``` Checking Extruder Temperature ``` M1002 gcode_claim_action: 15 ``` Paused by the user ``` M1002 gcode_claim_action: 16 ``` Paused due to toolhead cover falling off ``` M1002 gcode_claim_action: 17 ``` Calibrating the micor lidar ``` M1002 gcode_claim_action: 18 ``` Calibrating the extruder flow ``` M1002 gcode_claim_action: 19 ``` Paused due to nozzle temperature malfunction ``` M1002 gcode_claim_action: 20 ``` Paused due to heat bed temperature malfunction ```G-Code M1002 gcode_claim_action: 21 ``` | |
| M1003 | Power loss recovery | Disable power loss recovery ```G-Code M1003 S0 ``` Enable power loss recovery ``` M1003 S1 ``` |
| M1004 | External Camera Shutter Control | Actuate External Camera Shutter ``` M1004 S5 P1 ``` |
| M1005 | set skew correction | Set skew correction
```G-Code
M1005 X##.#Y##.# ; input values from printed calibration stl
M500 ; save the values
```
Add the above Gcode to the last line of the “Machine start Gcode” and only run it once as the compensation will compound each time it is run. Set skew correction in radians ``` M1005 I500 M500 ```Unlike the first example this is not iterative, and will overwrite any skew value set Reset skew correction ```G-Code M1005 I0 ; reset the compensation value M500 ; save the value ``` |
| M1006 | Play Sound Through Speaker | Enable Speaker? ```G-Code M1006 S1 ``` Set note to play ```G-Code M1006 A0 B10 L100 C37 D10 M60 E37 F10 N60 ``` Play supplied notes ```G-Code M1006 W ``` |
| T1000 | Set toolhead to extruder | ```GCODE T1000 ``` |
| T1100 | Set toolhead to Micro-Lidar | ``` T1100 ``` |
| **Code** | **Description** | **Example** |
|---|---|---|