We have a Lexmark Color Laserjet C750 that has an ethernet port, but can not get it to show on our network to put it to use. We pluged the ethernet cord into the printer and then into the network switch, and tried to add it to the network as a printer and everytime we do it can not find it. We then try to add it by typing in the IP Address the printer's Network printout has on it and it still is not finding it. We did a test when the ethernet cord is not pluged into the printer and we print the network printout page it says under the network card that it is not connected, but when we plug the ethernet back into the printer and do the same printout it says its connected. The printer will print the menus, and we can get it to print when we plug a USB cord into a computer and then into the printer, but we need it to be using an ethernet connection so we can network it. Please supply us with the infomation on how to get this able to use the ethernet, and print with the network.