Which ink does the Epson EcoTank ET-2710 use?

The Epson EcoTank ET-2710 (ecotank, 2019) uses Epson 104.

Compatible cartridges

CartridgeColorYieldPagesOEM priceCost/page
Epson 104 black standard4500 $11.00 0.2¢ OEM · AmazonCompatible
Epson 104 cyan standard7500 $11.00 0.1¢ OEM · AmazonCompatible
Epson 104 magenta standard7500 $11.00 0.1¢ OEM · AmazonCompatible
Epson 104 yellow standard7500 $11.00 0.1¢ OEM · AmazonCompatible

XL/high-yield cartridges usually cost more upfront but lower the cost-per-page — better if you print often.