Kingroon KP3S BLTouch Installation

To install BL Touch leveling sensor on Kingroon KP3S 3D printer, we would recommend you to use it based on Marlin firmware. 

Kingroon KP3S BLTouch Mount

https://www.thingiverse.com/thing:4609134

BL Touch Wiring to the Mainboard

Plug BLTouch wires into the corresponding ports on the mainboard of your Kingroon KP3S. 

The white line is the signal pin. The black line is the ground. There are information on the board. S for signal. G for ground.

The colors of cables may varies from different bltouch manfacturers. There are 3 pins port on the mainboard: G, 5V, S. Insert the connectors to the 3 pins port accordingly.

Here is the cable information of the 3D Touch on our site:

Green line: -, GND

Red line: + 5V

Yellow line: signal line

Update BL Touch Firmware for KP3S 

Kingroon KP3S with BLTouch leveling sensor modification firmware to DOWNLOAD.

Configure the Z-offset Value

To configure the Z-offset value of Kingroon KP3S. Open the .txt file in the firmware files you downloaded from the above link.

1. Change the mode as” cfg_leveling_mode” 1

 

2. Setup endstop into Z Min_Probe_endstop_inverting 0 # Z probe

3. Set the leveling probe on Zmax: Z_min_probe_pin_mode 2

4. Setup the X, Y, Z axis offset.

If the distance between the extruder and the platform is too close when printing, then reduce the Z-axis offset value, otherwise, increase it. Normally, we don't need to change the value of X probe offset from exand Y probe offset from extruder.

5. Set 3 (grid points) as bed leveling method

6. Set leveling range as follows

7. Run BL Touch on Kingroon KP3S: BLTOUCH 1

Adjust the Z-offset Value

Now everything is ready to start adjusting the Z-offset value of your Kingroon KP3S. You need to adjust the Z-offset on the above .txt file as well. 

Adjust the Z probe offset from extruder value down a little at a time to avoid your nozzle crashes into the heatbed and leads to any damages.  

In this firmware version, you could only adjust Z-offset value through the .txt file in the firmware. Do not support Z-offset adjusting on control screen.