The issue maybe you have selected the printing quality to draft mode. Which uses less ink and reduces print quality for printing drafts. To change it back to normal mode. Go to control panel, select printers, right click on your printer and select properties. On the properties page, select the Paper Quality tab and change the pull down draft to Normal
Sometimes, Epson printers may not print or produce faded prints after you change the ink. You can reset its ink cartridge, provided that there is an option for it on the model you have. You can press the option and wait for the time being. Later, try printing a few pages to see whether the option worked.
When more assistance is needed, you should consider visiting this page: https://www.errorsdoc.com/epson/how-to-change-ink-on-epson-printer/