Solutions
If the Print Settings menu is not displayed on macOS Catalina (10.15) or later, macOS High Sierra (10.13), macOS Sierra (10.12), OS X El Capitan (10.11), OS X Yosemite (10.10), OS X Mavericks (10.9), the Epson printer driver has not been installed correctly. Enable it from the following menu.
Select System Preferences from the Apple menu > Printers & Scanners (or Print & Scan, Print & Fax), remove the printer, and then add the printer again.
macOS Mojave (10.14) cannot access Print Settings in applications made by Apple such as TextEdit.