Installing Rinkhals on Anycubic Kobra 3 for SimplyPrint

Introduction

This guide provides step-by-step instructions for installing Rinkhals, a custom firmware with Moonraker support, on the Anycubic Kobra 3 printer. Once installed, the printer can be integrated with SimplyPrint, a cloud-based 3D printing management service. Follow this guide carefully to ensure a smooth installation process.

Step 1: Download Rinkhals

1. Head to the Rinkhals GitHub releases page.
2. Download the latest release of Rinkhals.

Step 2: Prepare the USB Drive

1. Format a USB drive as FAT32.
2. Create a directory named aGVscF9zb3Nf on the USB drive.

Step 3: Install Rinkhals on the Printer

1. Download the version of Rinkhals you want to install.
2. Copy the update.swu file into the aGVscF9zb3Nf directory on the USB drive.
3. Plug the USB drive into the Anycubic Kobra 3 printer.
4. You should hear a beep, indicating the printer detected the update file.
5. Wait about 20 seconds while the printer prepares the update.
6. A progress bar will appear on the screen.

Understanding the Installation Result

• Success: If the progress bar turns green and you hear two beeps, the printer will reboot, and Rinkhals is successfully installed.
• Failure: If the progress bar turns red and you hear three beeps, the installation failed. However, the printer should still function normally. You can check for more details in the aGVscF9zb3Nf/install.log file on the USB drive.

Step 4: Enable SimplyPrint Service