You an try deleting all references to your printer, restart and set it up again. Seems there is a common thread and it is Epson printers.
I did as you suggested and now it does print, but only in black and white...........No color, no matter what settings I select. These are the setting that now shows
Description: EPSON Stylus CX4800
Location: workbox.localhost.localdomain
Driver: Epson Stylus CX4800 - CUPS+Gutenprint v5.2.7 Simplified (color, 2-sided printing)
Connection: usb://EPSON/Stylus%20CX4800
Defaults: job-sheets=none, none media=na_letter_8.5x11in sides=one-sided