I'm stuck with resolving my printer issue. Maybe someone here can help
Long story: https://bbs.archlinux.org/viewtopic.php?id=148474
Short version: I reinstalled cups, removed all leftover files in /etc,
/usr which wasn't owned any package. Samsung unified driver got replaced
with splix-svn 307.
Now cups doesn't see my usb printer. On a laptop with clean cups install
What interesting that the printer is recognized, lsusb, dmesg shows it.
And usb backend called manually detects it, too: