Creality K1 Series CFS Upgrade Accessory Kit (K1, K1 Max, K1C, K1 SE)

Important Information – K1 Series CFS Upgrade Compatibility 

The K1 Series CFS Upgrade is only compatible with K1 models equipped with the integrated Unicorn hotend. 

Please note that this upgrade kit is not compatible with older versions of the hotend. If the user wishes to install the CFS Upgrade on an older K1 unit, both the hotend and heatsink must be upgraded to the Unicorn version.

Compatibility Details

• All K1 Series machines shipped after 2024 come with the Unicorn hotend pre-installed and are fully compatible with the CFS Upgrade. 
• Machines shipped before 2024 will require an upgrade to the Unicorn hotend in order to use this kit.

How to check your machine's production date

You can determine when your machine was shipped by checking the serial number (SN). Please refer to the reference photo below for guidance. 

Smart features for a hassle-free experience

The built-in filament cutter ensures precise filament switching, while the run-out sensor prevents interruptions mid-print. RFID detection helps the system recognize the filaments you’re using, making management easier.

Flexible connectivity and updates

With support for Wi-Fi and LAN, you can send print jobs wirelessly. Updates can be installed via USB or OTA, so you always have access to the latest features.

The CFS Upgrade Accessory Kit is a simple way to expand your 3D printing capabilities—without making the process more complicated.

Multi-color printing made simple

Each CFS unit holds four filaments, and you can connect up to four units for a total of 16 colors. The system automatically handles filament changes, ensuring smooth transitions between colors. Please note that each CFS unit is sold separately, and multiple units are required to reach the maximum number of colors.