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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