There are 2 firmware files: #（lite_cfg） #（mkslite.bin） The lite_cfg file is in text format, can be modified, and some settings of the 3D printer can be changed, such as stepping motor step value, XYZ movement direction, PID temperature control setting, WIFI, etc.
Upgrade method: Copy the two modified files into the TF card Insert TF card into the 3D printer. Turn on the power of the 3D printer and it will automatically upgrade.
Remarks: File name cannot be modified when saving Needs to be save with TF card in the first-level directory. TF card files can only be updated once. After the update, the files in the TF card are automatically invalid (can be deleted). Need to update again. Copy the 2 files lite_cfg mkslite.bin to the TF card again, and do it again.
Manual sliding XY is normal Enter the automatic leveling hot bed, (you can manually fine-tune the knob under the hot bed) The printing material of the test piece is PLA, Retraction setting: speed 25mm/s, retraction length 6mm The first layer printing speed is less than 20mm/s