Anycubic Chiron Firmware

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Do you have a AnyCubic Chiron and want a stable firmware with the latest features? Maybe you’re adding our EZABL kit to the machine. This is the download for you.

Directions are below. NOTE: This firmware ONLY works when using our Chiron LCD Upgrade kit. The stock LCD is not supported due to limitations with it’s closed source firmware.

You can purchase it from our website here: AnyCubic Chiron LCD Upgrade Kit – TH3D Studio LLC. We also recommend you download the Unified 2 STL pack as well.

This contains EZABL mounts, Gantry leveling Blocks, Solid bed mounts, and Bed Level test files.

How Much Does It Cost to Upgrade?

Click here to go to the Unified 2 STL Pack download page. 1 –Printer Board Firmware Update.

NOTE: These printers update over the USB cable from your PC to the printer. Make sure to have a USB cable ready. 1.a – Download the firmware. 1.b – Extract the files to a folder on your computer.

6 Upgrades for the Anycubic Chiron:

1.c – Open the folder labeled “Firmware” in VSCode. 1.d – Open the Configuration.h file that is located under the “Marlin” folder on the left side of the VSCode screen.

1. Spool Holder

1.e – In the Configuration.h file, uncomment (remove the 2 / in front of #define) the CHIRON line and any other options you are going to use in the firmware.

1.f – Click the ✓ at the bottom of VSCode to compile the firmware. The firmware will compile.

This may take 1-5 minutes depending on the speed of your computer and internet connection. 1.g – If the build succeeds plug in your printer to your computer with the USB cable.

1.h – Now click the arrow (right pointing) to upload to the printer board.

Make sure ALL slicers or other programs that connect to your printer board are CLOSED before trying to upload to your printer.

Please note that on machines with multiple COM ports you may have to select the COM port manually.

2. Nozzle

Please see our VSCode COM port selection article to see how to do that. 1.i – The firmware will upload to the printer board over USB. DO NOT UNPLUG THE PRINTER OR RESET YOUR COMPUTER.Interrupting the flashing can “brick” your board and if this happens you will need to reflash the bootloader with a programmer (like an Arduino UNO) before you can flash again.

1.j – When the printer boots you will see the TH3D logo on your LCD. Make sure to reset your EEPROM on your printer after flashing any firmware.

You can do this from your printer LCD or by sending a M502 followed by M500 with your favorite Gcode sender application. THIS FIRMWARE AND ALL OTHER FILES IN THE DOWNLOAD ARE PROVIDED FREE OF CHARGE WITH NO WARRANTY OR GUARANTEE FROM TH3D STUDIO LLC.




3. Belt Tensioner

We do not maintain a full change log for this firmware.

However, you can track all changes and modifications to our firmware code on the GitHub repo for Unified 2 Firmware.

Belt tensioners cost anywhere from $7 to $15 depending on the type.

1st Option: X-axis Timing Belt Stretch Tensioner For CR-10 10S

2nd Option: Synchronous Belt Tensioner 3D Printer Parts

4. Leveling Columns

These are designed to replace the Anycubic Chiron’s slender leveling springs, but they don’t work very well. They’re set and won’t move once you apply this upgrade.

When compared to the alternatives, they do a fantastic job of reducing vibrations and come with solid guarantees of performance. These are made specifically for the Anet A8, Wanhao D9, Anycubic, and a variety of other printers.

For your leveling columns, you need a good degree of heat resistance and pressure resistance, and these silicone modifications perform wonderfully to withstand your printer’s wobbling, resulting in higher-quality prints.

Upgrades to your leveling columns will cost anything from $16 to $29.

1st Option: Silicone Hot Bed Leveling Column Fit

2nd Option: 3D Printer Leveling Column Shock Absorption Solid Spacer

5. Premium Fans

A high-quality fan may significantly improve the efficiency of your 3D printing process, and rubber isolating mounts prevent vibrations from spreading to other elements of your printer.

Factory fans will not compare to this one in any way, therefore if you want a reliable fan for your 3D printer, you should certainly update the fan on your Anycubic Chiron.

The fan is smaller yet more powerful. Some users claim that it pushes up to 20% more air than regular fans despite being about 25% smaller than stock fans.

Upgrades to your fans will set you back anywhere between $10 and $40.

1st Option: NF-A4x10 Fan Highly Optimized 40x10mm Premium Fan

2nd Option: Highly Optimized, NF-A4x20 Fan 40 X 20 mm Premium Fan

6. Magnetic Print Surface

The Chiron’s basic print surface can get the job done. However, if you only want one product to perform the job, you should start using a flexible build plate with your 3D printer.

It includes a magnetic base that comes in a variety of sizes, allowing it to be used on several 3D printers. Then it has the real flex plate, generally a piece of spring steel that attaches to the base.

The beautiful thing about the flex plate is that it can be purchased separately, allowing you to print on a variety of different materials such as PEI or Garolite.

Upgrading your print surface might cost anything from $20 to $50.

1st Option: 400x400mm Magnetic Build Surface Heated Bed

2nd Option: Eryone Magnetic Flexible 3D Printing Build Surface

Anycubic Chiron Accessories Upgrades:

Tool Kit: The Filament Friday 3D Print Tool Kit from Amazon is one of the entire 3D printer tool kits I recommend.

It’s a 32-piece basics package that includes a variety of equipment for cleaning, finishing, and the printing process. You’ll discover a lot of components that aren’t included in the standard kits.

Auto Leveling Sensor: The sensor informs your 3D printer of the exact location of the print bed concerning the overall height of the print bed.

The BLTouch auto-leveling sensor is a good product. Although it is a very expensive item, the benefits, troubles it will address, and frustrations it will save are well worth the cost.

Insulation Thermal Pad: It’s worthwhile to invest in your 3D printer to reduce waste. Some printers struggle to reach temperatures of 85°C on the bed, leaving you dissatisfied and believing you’re stuck with the problem.

An insulating mat is an answer to this problem. The HAWKUNG Foam Insulation Mat is the one I would suggest.

PSU Covering: Your power supply is one of these safety management challenges. If your printer doesn’t already have one, installing for your PSU to prevent electric shocks and keep your PSU secure is a smart idea.

You may easily create a PSU cover for your power supply by printing it out.


There are hundreds of 3D printer modifications circulating, many of which are beneficial and most of which are printable.

These changes are adequate to improve your 3D printer’s general speed, performance, control, and lifespan.

It will surely outperform, endure longer, and be substantially more durable as a consequence of these enhancements.

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