Harv, Your issue involves printer sharing and I have no experience with that. If nobody else is able to help, you might try Epson's tech support. They were fairly prompt with a reply to me and I have had good luck with them in the past. In fact, it would be a good idea to hedge your bets and contact Epson while you're waiting for someone else to reply in this thread. Keep us posted. Oh yes: Happy New Year. 
Jon
macOS 11.7.10, iMac Retina 5K 27-inch, late 2014, 3.5 GHz Intel Core i5, 1 TB fusion drive, 16 GB RAM, Epson SureColor P600, Photoshop CC, Lightroom CC, MS Office 365
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