Sculpfun S-9 not recognized in Ubuntu 20.04.5

LightBurn Hardware Compatibility
2

No. It’s likely something else.

2 things to check.

  1. See if a serial TTY device is being created. This needs to exist for you to have any chance at all of accessing it from LightBurn:
ls /dev/*USB*
  1. There’s a known issue with certain distributions where CH341 devices will get mapped to a braille reader type. This may be happening to you. Take a look at this post and see if this applies to you:
    Can't run Sculpfun s9 on UBUNTU - #14 by berainlb