[Samba] cancelling print jobs in windows

[Ryan Suarez]

Greetings admins,

We use cups & samba-3.0.7 to serve printing to WinXP clients.  I've 
listed the contents of our smb.conf below.

Does anyone know how to prevent users from cancelling their own print 
jobs from windows?

regards,
Ryan

[global]
        workgroup = <snip>
        netbios name = <snip>
        server string = Admin Printing
        log file = /usr/local/samba/logs/%m.log
        max log size = 50000
        debug level = 1
        name resolve order = host wins bcast
        wins server = <snip>
        wins proxy = no
        wins support = no
        dns proxy = yes
        local master = no
        preferred master = no
        domain master = no
        os level = 0
        security = ADS
        encrypt passwords = yes
        password server = *
        realm = <snip>
        interfaces = <snip>
        allow hosts = <snip>
        printing = cups
        cups options = job-originating-host-name=%m
        printcap name = cups
        load printers = yes
        socket options = TCP_NODELAY

[printers]
        comment = All Printers
        path = /SC/ss/cupspykota/spool/samba
        browseable = no
        guest ok = yes
        public = yes
        writeable = no
        printable = yes
        printer admin = <snip>
        create mode = 0700
        valid users = <snip>

[print$]
        comment = Printer Drivers
        path = /usr/local/samba/drivers
        browseable = yes
        guest ok = no
        read only = yes
        write list = <snip>