The (Knutwurst version) is strongly recommended over stock firmware. It transforms the Chiron from a buggy large-format printer into a reliable workhorse with proper safety features. The download is freely available from GitHub, and the installation process — while requiring careful steps — is well documented by the community.
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Allows you to fine-tune the bed leveling matrix without relying solely on the finicky stock strain-gauge probe.
Manages the 25-point probing system to compensate for high spots and dips across the expansive aluminum print bed.
The Chiron's stock 25-point leveling system can be inaccurate. Repacks often optimize the probe offsets, allow manual mesh editing, or perfectly integrate BLTouch upgrades.
Are you experiencing a specific (like a blank screen or leveling failure) that prompted the search for this version?
In this comprehensive guide, we’ll break down what this specific firmware version is, why the "repack" matters, where to find a safe download, and how to install it step-by-step.
If you need this specific version, it is highly recommended to contact Anycubic Support directly to receive the correct
These two firmware versions are . Installing the wrong one can render your printer's screen inoperable.
The repack enables "SOFTWARE_ENDSTOPS" which differs from stock. Fix: Home all axes. Then send M211 S0 to disable soft endstops temporarily. Better fix: recalibrate your Z max height via M206 Z-0.5 (adjust to your printer).
For the best experience and safety, switching to a community firmware is highly recommended over tracking down a stock v1.3.5 repack.
The Ultimate Guide to Anycubic Chiron Firmware 1.3.5 Repack: Optimization and Download
