TurboPrint & PrintFab

Turboprint now working as expected with Gimp and other previously problem app. Couldn't identify root cause, but to get working:

1. Ubuntu 24.04 LTS, rather than Ubuntu 25.0
2. Installed GIMP from apt, rather than App Centre, maybe a Snap permissions thing. Darktable has a similar problem with the ...

I'm working through various Live USBs. Boot from USB, update all, install GIMP and turboprint only, then try to print:

1. Fedora 42 Workstation (GNOME) - all printing inc turboprint as expected.
2. Ubuntu 24.04.2 LTS (GNOME) - all printing inc turboprint as expected.
3. Ubuntu 25.04 (GNOME ...

Some sample logs:


cat /var/log/cups/error_log
E [04/Jul/2025:18:29:02 +0100] [CGI] cups-brf must be called as root
E [04/Jul/2025:18:29:02 +0100] [cups-deviced] PID 23943 (cups-brf) stopped with status 1!
E [04/Jul/2025:18:29:18 +0100] [CGI] cups-brf must be called as root
E [04/Jul/2025:18:29 ...

Hi
Apologies I think this is more of a general linux question, than turboprint, but not 100% sure. Google not being v useful, and I'm hoping for some general advice here to help me debug. I'm comfortable with linux at command line.

Setup:

- Ubuntu 25.04, new install
- Epson SC-P600
- Turboprint ...