Home / Computers / Can I add paper trays or memory to the EcoTank ET-3850?Computers Technology ramseeker printersCan I add paper trays or memory to the EcoTank ET-3850?No, the ET-3850 has no way to add paper trays or extra memory. It expands only through Epson’s Smart Panel app and Connect services like Email Print and Remote Print. Search Amazon As an Amazon Associate I earn from qualifying purchases.Related NotesExploreExploreExplorePrevious Can I replace the battery in the 14-inch M1 Pro MacBook Pro myself?Next Auto pad washing vs hand scrubbing: Auto pad washing is convenient for daily mopping, but hand scrubbing is still needed for deep stains