Download & Installation

Download “Firmware PAXX 12-19 1.4.1 extended mUlt1ACE 0.98b” U1_1.4.1-paxx12-19_multiACE0.98b.zip – Downloaded 165 times – 261.17 MB
Download “Firmware PAXX 12-17 extended mUlt1ACE 0.97.2b Integrated Hotfix 2 - reupload” U1_1.3.0-paxx12-17_multiACE0.97.2b.zip – Downloaded 428 times – 264.03 MB
Download “Firmware PAXX 12-19 1.4.1 extended mUlt1ACE 0.97.3b Hotfix 3 prerelease-reupload” U1_1.4.1-paxx12-19_multiACE0.97.3b.zip – Downloaded 68 times – 261.14 MB
ACE Pro 1 & 2 Cable Guide

Want to support the project? You can grab the parts you need right here. They are also available from various online retailers if you prefer to source them yourself.

DIY KIT

Universal ACE Cable Kit

A universal wiring kit with a USB terminal and a Molex 2x2 connector. Works with both ACE Pro and ACE Pro 2.

  • USB terminal + Molex 2x2
  • Fits ACE Pro & ACE Pro 2
  • Screws together, no soldering

Kit of parts, sourced in the EU. Shipped via Deutsche Post “Warenpost International”. If we can't ship to your destination, the order will be cancelled and fully refunded.

€19 Buy on Ko-fi

What you need

The same cable works for both ACE Pro 1 and ACE Pro 2. You only need a USB-to-Molex adapter:

  • ACE Pro 1: plug the adapter onto the 4-pin end of the 6-to-4-pin connection cable.
  • ACE Pro 2: plug it onto the 4-pin end of the K3 / K3M / S1 adapter cable.
  • Then connect the adapter to the USB port of your Snapmaker U1.
ACE Pro 2 only Requires firmware ≥ 1.1.31. If you do not have an Anycubic printer to update it, check the GitHub repository for instructions on flashing it with this cable. This does not apply to ACE Pro 1.

Multiple units: Several ACE Pro 1 units are daisy-chained using the included connection cables. For several ACE Pro 2 units you need one cable per unit, plus an additional USB hub.

  1. 1Identify the USB terminal contacts

    The contacts on the USB terminal cable are labeled directly. You need -, D- and D+.

    USB terminal cable with labeled contacts

  2. 2Wire the Molex connector

    Screw the Molex cable to the USB adapter following the pin scheme below. Tip: twist the wires that go to D- and D+ together.

    Keep the wires as short as possible. If you can, trim them and strip the ends to length before connecting.

    Never wire VCC (pin 3). Connecting it can damage your hardware.

    Molex connector wiring Molex to USB pin scheme
    Assembled USB to Molex adapter

  3. 3Connect it to the printer

    Plug the cable onto the 4-pin end of the matching connection cable and connect it to the USB port of your Snapmaker U1.

  4. 4Assembled (example: ACE Pro 2)

    Here is what the finished, assembled cable looks like, wired up for an ACE Pro 2.

    Assembled cable example for ACE Pro 2
Use at your own risk. This is a DIY project. Wiring the cable incorrectly can damage your ACE units, your Snapmaker U1, or the parts themselves. Modifying your hardware may affect your manufacturer warranty. I document everything as carefully as I can, but the responsibility for assembling and using the cable stays with you.