The following procedure is extracted from our Github.
Manual temperature calibration procedure:
Disable temperature calibration by the M861 Z gcode. This will store zero offsets to EEPROM for all PINDA sensor temperatures in 35 - 60 °C range. You can check with M861 ? which values are currently stored in EEPROM.
Prepare a gcode file with a nice big first layer for PLA. Add the M860 Sx Gcode (wait for PINDA sensor temperature) into this file's start sequence.
Create multiple of these files with different x values/PINDA target temperatures (35, 40, 45, 50, 55, 60). For x above 45 you will need to raise bed target temperature (M140 and M190gcodes).
Print gcode files. Adjust live Z for each file to achieve the perfect first layer each time. Note down each live Z value for each PINDA temperature.
Calculate the ustep values for each temperature T (40, 45, 50, 55, 60). Calculation for live adjust values in milimeters: usteps(T) = (live_adjust(35) - live_adjust(T)) * 400
Store calculated offsets to EEPROM using M861 Sxxx Iyyy (set compensation step-value S for compensation table index I). You can check with "M861 ?" which values are currently stored in EEPROM.
Enable temp calibration in menu settings.
Recommended manual temperature calibration gcode file start sequence:
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