I have Vista Home Premium 32 bit and just installed a new Lexmark x4650 all-in-one. I can print perfectly when it is connected wirelessly (through the printer's internal connection to the network), but it won't recognize there is a scanner on it. If I connect it via USB, it works. I have tried disabling both the firewall (McAfee and Windows) and the wireless router. I can't see to find anyone who can print but not scan over the network. Any thoughts?