Epson et-16500 not working after updating to OS mojave

Go to Epson to get drivers and software, make sure the operating system selector is set for macOS 10.14.x

https://epson.com/Support/Printers/All-In-Ones/ET-Series/Epson-ET-16500/s/SPT_C11CF49201?review-filter=macOS+10.14.x

Fix Print Out issue on macOS Mojave , perform hard reset, disconnect your printer, restart your Mac and connect your printer once again.