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Kingroon KP3S 3D Touch Installation

by Kingroon 3D on Jan 18, 2022

UPDATE:

This tutorial ha been updated on 2022, please check the below videos and get the latest firmware to use.

 

NOT MARLIN | How to Enable Auto Bed Leveling  Feature on KINGROON KP3S 3D Printers

https://youtu.be/s2ZiibBKVKI

2022/02/18

 

【Firmware Released】 How to replace mainboard for KINGROON KP3S 3D Printers

https://youtu.be/LBa8X6U1Y_w

2022/05/15

 

KP3S 3D Touch Firmware(STM32F103/GD32F303) V1.0.7_2022.03.30:

https://drive.google.com/drive/folders/1eDY91nCIgY-3owwBqj1e4Szzl0qyVd9j?usp=sharing

 

If you get the wrong axis direction issue, click below article, step 4 will help you:

https://kingroon.com/blogs/3d-print-101/modify-mainboard-configuration-file-of-kingroon-kp3s

 

You can flash back to the stock firmware any time, just remember to unplug the cable on the extruder: 

https://1drv.ms/u/s!AmGcVrncIH3ZhiM0p_CYANOff-UR?e=nvbJvf

 

3D Touch Hanger: https://drive.google.com/drive/folders/1rYdTBTf4XtJGof0uk9KzDwkJOqeNtTP6?usp=drive_link

 

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

Kingroon KP3S 3D Touch Mount

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

3D Touch Wiring to the Mainboard

Plug 3D Touch 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.

Kingroon KP3S 3D printer bltouch

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

Kingroon KP3S bltouch installation

Update 3D Touch Firmware for KP3S 

Kingroon KP3S with 3D Touch 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

kingroon kp3s BLTouch instructions 

2. Setup endstop into Z Min_Probe_endstop_inverting 0 # Z probe

kingroon kp3s bltouch installation

3. Set the leveling probe on Zmax: Z_min_probe_pin_mode 2

kingroon kp3s bltouch installation

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.

kingroon kp3s bltouch installation

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

kingroon kp3s bltouch leveling

6. Set leveling range as follows

Kingroon KP3S Bltouch firmware

7. Run 3D Touch on Kingroon KP3S: 3D TOUCH 1

kingroon kp3s bltouch

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. 

Kingroon KP3S z-offset value

Tags: Kingroon KP3S, kingroon kp3s bl touch, kingroon kp3s modification, KP3S BLTouch, kp3s bltouch installation, KP3S firmware
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36 comments

  • Dmitrii
    Apr 16, 2024 at 14:21

    Hi, could you please help me find firmware for autolevel and laser in one for KP3S?

    Reply
  • Brando
    Dec 21, 2023 at 13:07

    SOLVED:

    I fixed it. So if you happen to see or hear anyone having issues with the KP3S and 3d Touch with Marlin… Send them to this comment. Or simply tell them that the video above that Kingroon puts out tells you to put the 3d touch 2 pin into the Z+ slot… Thats incorrect.. You actually need to unplug the stock Z endpoint sensor from the Z- Slot and then plug the 3D touch into that one. Then all of the calibrated builds for Marlin on git hub.. Will work with the 3D Touch and the extruder will move in the correct direction during probe wizard and everything else

    Reply
  • marvvin
    Nov 10, 2023 at 21:42

    I tried to install the autoloveling probe, but I couldn’t set the correct fw. the print head kept going somewhere outside the desktop. And I ended up not printing at all, because even after uploading the original fw without autoleveling, I can’t convince the printhead not to go outside the workspace. How do I get the printer to factory settings?

    Reply
  • Hai N Tran
    Oct 31, 2023 at 15:25

    Which firmware to upgrade on KP7? Thanks

    Reply
  • Paddy
    Oct 20, 2023 at 07:29

    I’m having an issues with the firmware. As I don’t have the auto level after flashing? I have the Kp3s pro S1 with a 303 board. Seems to be wired correct but no auto level settings. if I use the conventional levelling settings once my printer hones the Z axis it freezes and you can’t manually move any axis?

    Just wondering what might be going on?

    Does the printer need to be manually levelled before auto level is an option?

    Reply
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