Mine

[global]
workgroup = QCL
server string = Samba Server %v
printcap name = cups
printing = cups
load printers = yes
log file = /var/log/samba/log.%m
max log size = 50
socket options = TCP_NODELAY SO_RCVBUF=8192 SO_SNDBUF=8192
interfaces = lo eth0
bind interfaces only = yes
hosts allow = 127.0.0.1 80.222.234.183/24
hosts deny = 0.0.0.0/0
security = share
guest account = guest
guest ok = yes

vfs object = vscan-clamav
vscan-clamav: config-file = /etc/samba/vscan-clamav.conf

[print$]
comment = Printer Drivers
path = /etc/samba/printer
guest ok = yes
browseable = yes
read only = yes
write list = root

[HPLJ4]
comment = HP DeskJet 930C Network Printer
printable = yes
path = /var/spool/samba
public = yes
guest ok = yes
printer admin = root

[printers]
comment = All Printers
browseable = yes
printable = yes
writable = no
public = yes
guest ok = yes
path = /var/spool/samba
printer admin = root

[public]
comment = Public Files
browseable = yes
public = yes
create mode = 0766
guest ok = yes
path = /home/samba/public