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Yes there is. They make house calls to cover warranty, and non-warranty, service on large format Epson printers. I imagine Epson has contracts with local independent service people around the country. Unless your college has a large number of very problematic printers, I doubt going through the certification process would be cost effective.
I have had a few issues with 4000 series Epsons that I've owned and have fixed all of them myself. You'd be amazed by how much info there is online.