Recently I got D-Link DNS-320 ShareCenter. Seems very good value for the money, and I already had 2 disks I wanted to put in a RAID. Anyway, there’s there was a bug in the firmware that would only allow printing as admin user (once custom users are added to the NAS printer cannot be accessed as a guest I suppose anymore but new useres don’t have permissions to access it).

That’s not a bother in Linux – it asks for permissions and you can print, but on Windows it just says the printer cannot be connected or something. So after some digging solution is to redirect the printer to a local port and manually add credentials under which to connect. So in general case this can be used:

net use LPT1 \\servername\printername password /user:username

Or in case of DNS-320, since using admin user is required and the printer shows as lp it goes like this:

net use LPT1 \\you_nas_machine_name_or_ip\lp put_admins_password_here /user:admin

After doing this from Harward and Sound -> Printers do Add Printer -> Add Local Printer -> LPT1, it’ll ask to choose drivers (TIP: pre-install them) and after that printer’s ready for printing.

For more info on net use command go here