Before leveling the bed the machine must be homed with g28.
Auto bed leveling gcode.
There are two files required.
Adjust each corner by running a piece of paper or filament friday sticker under the nozzle until you can barely move it then click the lcd knob to advance to the next corner.
I was thinking about implementing it as the following.
Hi folks im trying to edit my start g code so while my printer is heating the nozzle and or the heatbed it will also perform auto bed leveling simultaneously.
With marlin 1 1 0 you can automatically run a g code file when powering on the printer with a sd card already present.
If print job uses heatbed then the printer will first heat up the bed then wai.
The printer must be homed with g28 before g29.
Add a file named auto0 g at the root of your card containing the following g code.
This will use the settings as configured.
G28 auto homing g29 bed leveling normally the bed leveling map should be reused for all subsequent prints until the printer is turned off.
1 first run the chep m0 bed level gcode file on your ender 3 or any similar size printer with an 8 bit board.
Ezabl all versions bed leveling starting gcode posted may 16 2020 20 32 to ensure proper intended operation of our ezabl kits you must be on the latest firmware and use the starting code below.
For auto bed leveling ubl see g29 ubl and g26 mesh editing.