Epson SureColor T3170M 24" Wireless Printer, Scanner & Copier - Manual (Page 40)

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Wi-Fi Infrastructure Mode Setup
You can set up your product to communicate with your computer using a wireless router or access point.
The wireless router or access point can be connected to your computer over a wireless or wired network.
Note: You cannot connect to a wired and wireless network at the same time.
1 Epson product
2 Wireless router or access point
3 Computer with a wireless interface
4 Computer
5 Internet
6 Ethernet cable (used only for wired connection to the wireless router or access point)