На счет фри не скажу
в лине  догружаю модуль ядра
modprobe lp

smb.conf

[EpsonDFX8000]
        comment =  Epson DFX-8000
        printable = yes
        path = /var/spool/samba
        public = yes
        guest ok = yes

        [printers]
        comment = All Printers
        path = /var/spool/samba
        browseable = yes
        guest ok = yes
        writable = yes
        printable = yes
        public = yes

>[оверквотинг удален]
>    max log size = 50
>    dns proxy = no
> [printers]
>    comment = All Printers
>    path = /var/spool/samba
>    browseable = no
>    guest ok = yes
>    writable = yes
>    printable = yes
>    use client driver = yes

Да и  главное  :)
в cupsd.conf

# Restrict access to the server...
<Location />
  Order allow,deny
  Allow From 10.0.7.0/24
</Location>

>[оверквотинг удален]
>    max log size = 50
>    dns proxy = no
> [printers]
>    comment = All Printers
>    path = /var/spool/samba
>    browseable = no
>    guest ok = yes
>    writable = yes
>    printable = yes
>    use client driver = yes