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How to Install Klipper on Kingroon KP3S: Config for Printing Fast

In this guide I will show you how to install Klipper on Kingroon KP3S, to speed up your prints and improve print quality. The KP3S is an impressive 3D printer considering the cost, and you can read more about it in the Kingroon KP3S Review.

What is Klipper?

Klipper Sidewinder X1 | How to Install Klipper on Kingroon KP3S: Config for Printing Fast

Klipper is an open-source firmware for your 3D printer that combines the power of a Raspberry Pi and your printer main board for better printer control. By doing this, You are able to run your printer at higher speeds with better precision and control.

Why Install Klipper on Kingroon KP3S?

By installing Klipper on Kingroon KP3S, you will be able to print much faster compared to a stock printer, and you will also be able to control your printer remotely, trough Wi-Fi.

In the video below, you can take a glimpse of the speeds you can achieve with Klipper on Kingroon KP3S. At the end of the video, you can see that the print quality is quite good considering the speed.

Besides the speed benefits, there’s also the added ease of use. With Klipper you can edit the configuration of your printer without needing to constantly compile and update the firmware, like with Marlin.

Prerequisites

To install Klipper on Kingroon KP3S, you need to have the following:

  1. MainsailOS installed on a Raspberry Pi
  2. Kingroon KP3S 3D printer
  3. BTT PITFT50 Touchscreen for extra functionality (optional)

Before you begin

Before you begin

Please note that in order to install Klipper on Kingroon KP3S you need some experience with 3D printers and hardware. This is not a trivial task for beginners, and you may break your printer during the process.

Read the full guide carefully and install Klipper on Kingroon KP3S only after you properly understood all the steps involved. If you have questions before starting, leave a comment and wait for a reply.

I am not responsible for any damage you may cause to your printer by following this guide. You are doing this on your own responsibility.

The configuration file shared in this article, is made for the Kingroon KP3S with the Titan Aero extruder.

Also, please keep in mind that the stock screen will not work with Klipper and you are limited to using the Octoprint interface exclusively.

Install MainsailOS on Raspberry Pi

MainsailOS Logo | How to Install Klipper on Kingroon KP3S: Config for Printing Fast

I have covered the MainsailOS installation in a previous article, so please follow it before continuing. This will ensure you have the same setup as I do which will make the entire process a bit easier.

In that article I also covered how to install KIAUH which is a helpful tool for installing and updating Klipper.

Build Kliper firmware for Kingroon KP3S

The first step in running Klipper on Kingroon KP3S is to build the firmware. SSH to your MainsailOS installation, and navigate to the kiauh folder

cd kiauh

Next, run the kiauh.sh script to open the gui

./kiauh.sh

In the Main Menu, type 4 to select the Advanced Menu

image 6 | How to Install Klipper on Kingroon KP3S: Config for Printing Fast

Next, type 3 to build the firmware

image 7 | How to Install Klipper on Kingroon KP3S: Config for Printing Fast

The Klipper Firmware Configuration screen will appear. Using your navigation keys, move through the menus and replicate the same settings I used. Please don’t forget to add the GPIO pins accordingly.

image 9 | How to Install Klipper on Kingroon KP3S: Config for Printing Fast

When finished, press Q then Y to save your configuration.

image 10 | How to Install Klipper on Kingroon KP3S: Config for Printing Fast

The build process will start and when finished, the firmware will be ready to install, but for the Kingroon KP3S, we need to install it from the SD card.

But before we do that, we also need to run the following command:

./script/update_mks_robin.py ./out/klipper.bin ./out/Robin_nano35.bin

Copy the firmware and install it on Kingroon KP3S

First, connect via SFTP to MainsailOS. I use WinSCP.

Enter the IP, username and password just like you did for Putty, then click on Login.

image 11 | How to Install Klipper on Kingroon KP3S: Config for Printing Fast

Navigate to /home/pi/klipper/out and copy the Robin_nano35.bin file on an SD card.

Klipper Firmware for Sapphire Plus on SD Card | How to Install Klipper on Kingroon KP3S: Config for Printing Fast
How to Install Klipper on Kingroon KP3S: Config for Printing Fast 1

Next, plug the SD card in your printer and turn it on. In a few seconds the firmware will be installed, and your touchscreen will be blank. Wait for 15 seconds then restart your printer.

Copy the configuration file

Now that our Kingroon KP3S is running Klipper firmware, we need to copy the configuration file. You can download my sample configuration to get you started.

Please note that this configuration file has all my calibration values installed, and it’s strongly recommended you re-do some of the calibrations for Pressure Advance and Resonance Compensation.

In your MainsailOS Web UI, navigate to Settings, and click on the Upload File icon.

Upload config file | How to Install Klipper on Kingroon KP3S: Config for Printing Fast

Select the printer.cfg file you previously downloaded and upload it.

KP3S Klipper Config | How to Install Klipper on Kingroon KP3S: Config for Printing Fast

Connect Klipper to your printer

Finally, you just need to connect Klipper to your printer. This is super easy. You just need to go back on your MainsailOS Dashboard and click on Firmware Restart.

image 13 | How to Install Klipper on Kingroon KP3S: Config for Printing Fast
How to Install Klipper on Kingroon KP3S: Config for Printing Fast 2

This action will trigger the connection between the Klipper service running on Mainsail OS and the Kingroon KP3S firmware we just installed. If all the steps have been followed, then your printer will connect, and you will be greeted by this interface.

image 14 | How to Install Klipper on Kingroon KP3S: Config for Printing Fast

Feel free to home the printer first, to make sure everything is running correctly. Heat up the nozzle and heatbed and check if the temperature rises as expected. If everything looks good, then you are ready to start your first print with Klipper.

How to revert back to Stock KP3S Firmware?

If you decide Klipper is not for you, reverting to the stock firmware is easy. First, download the stock firmware and unzip the archive

image 16 | How to Install Klipper on Kingroon KP3S: Config for Printing Fast

Next, copy the contents of the folder on the SD card

image 15 | How to Install Klipper on Kingroon KP3S: Config for Printing Fast

Finally, plug in the SD card to your printer, and restart it. This will trigger the firmware update and the firmware will be flashed.

Wrapping up

Even though the installation steps seem to be a bit hard to follow, I hope this guide helped you and now you are running Klipper on your Kingroon KP3S.

You can also check out my Ultimate 3D Printer Upgrade Purchase Guide article if you are looking for other upgrades you can do to the Kingroon KP3S.

If you encounter issues during your installation, feel free to leave a comment below and I will do my best to help you. Besides that, you can also join the 3DPrintBeginner Discord server where there’s a separate thread for Klipper, with Klipper enthusiasts ready to help.

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become a patron button | How to Install Klipper on Kingroon KP3S: Config for Printing Fast
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