Firmware update
When using the laser module on the Ender-3 S1 for the first time, please check if the
motherboard firmware and the screen firmware are the applicable version respectively.
The method is as follows.
Connect the machine to the power supply, turn on the power switch on the side, select
"Control" - "Info", the firmware version number should be V1.0.4 or above.
Otherwise, please download the latest version from the website link and update the
firmware of motherboard and screen: https://www.creality.com/download -> Accessory
Firmware -> CV-Laser Module Firmware
10