I have a 2545 that won't print after a while. When you turn off the copier & power on you can print briefly then the problem returns and you can't print. No error codes and the machine displays a msg about unable to connect to the ip address. IT person says it's the Nic on the copier. Reseated the boards and blew them clean. I suspect the nib or firmware. Any comments or thoughts much appreciated. On the nib linklights green and yellow are lit. Thanks----Blaze
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