I have some POS printers that fall off line across a 15 mb fibre wan link. One other issue we resolved with rewriting the session timer to 4 hours. This solution did not resolve the issue with the Epson printers. Does LPR printing require a continuous session? Its really spontaneous offline some times once per day and other times 3-4 times perday. I am 99% sure this is network problem because it started after a power outage and a burnout motherboard on the router. Where should I look first?
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