If it were me, I'd look to block spoofed MAC addresses at the switch. You used to be able to set up VLANs to work with only certain MAC addresses...
If you have a software application associated with a printer that is no longer installed, then uninstalling any associated entries in Add/remove...
Sorry, the Lexmark site is defeating me as far as useful information. In fact I can't find a 6150: only X6150. Also is the 600 the WinWriter 600?...
If by loopback you mean ping 127.0.0.1, that doesn't get to the NIC. That just goes up and down the Windows TCP/IP stack. All you've done is test...
Check the permissions on the share folder. There may be an exclusion of member of admin groups.
Have a look at this: http://support.microsoft.com/kb/150575
Microsoft terminal server does similar things: desktop and application sharing. You can also do a lot with Remote Desktop built into XP and Vista...
Larger and/or older network printers can be configured via their front panel. I assume the user is doing that. Make and model of printer would...
If you've manually set the IP address of the printer THE FIRST THING TO DO is check you have a connection to it - that means make sure you can...
IF you go into task manager and go to the processes tab, which user is assigned to the word application?
Can you connect via cable? It would be worth checking this works first - then we can see if this is a wireless only problem - or that you have a...
Have you tried a different network cable? Could also be a faulty network card.
What model of Lexmark printer?
Wholeheartedly agree with TonyT's point. It is definitely worth thoroughly checking out what is going on: I'm very used to seeing production...
IBM (now Lenovo) are good. Always have lovely keyboards, which is important when its your main contact with the unit. However, their repair times...
Thank you for posting back the solution. Not an easy one to spot!
Also have a look on the Dell site and see if there are newer network drivers.
What is the make and model of the printer?
Are you sure you need to log in? A decent server will run all its applications as services and services boot up at start up without a user logging...
With XP, by far the simplest way IMO to install a network printer on a peer to peer network is to create a custom port. Start the Add New Printer...
Separate names with a comma.