Dell 1815dn All-In-One Laser Printer "connecting scanner lenovo computer" Questions

...lenovo w500 - 2.8 intel chip - 4gb ram - norton 2009 antivirus- dell network scanner program listed as allow - windows firewall off - windows vista 32 bit business network- - netgear business router ...

scanner I am trying to scan a document into my laptop but when I hit scan to computer, it tells me to trouble shoot. I'm not sure what to do next. I have a Lenovo z61m laptop Hi damirish I have also ...