3 ==> You need to copy your windows drivers files to /usr/share/cups/drivers (for 32 bits systems)
4 ==> The files can be found in %WINDIR%\SYSTEM32\SPOOL\DRIVERS\W32X86\3
6 ==> Copy the following files: (Case is significant)
12 ==> Now you can run cupsaddsmb -a as root to export them to the samba server.