The Epson L1800 might not be an ideal choice for printing from iOS/iPadOS devices - as the L1800 fundamentally does not support AirPrint.
Similarly, iOS/iPadOS doesn’t natively support direct connection via USB to a Printer.
See:
Apple AirPrint is a driverless connection protocol. A high proportion of modern printers intended for Home, SoHo and Business environments now support AirPrint. Check your printer model against this list:
About AirPrint - Apple Support
If your printer is not compatible with AirPrint, there are alternatives…
Some printer manufacturers have a suitable companion App that provides Print capabilities for mobile devices, often using a web-based print service. Others can print directly if the App supports other network printing protocols. By example, many Epson and HP Printers have a companion printing App - available from the Apple App Store.