side by side, a printer test page from a Windows PC running Epson software and same page from same PC after removal of every Epson software. First output in mangled, mimicking a printing defect that Epson wishes users will blame third-party cartridges for. Second output if flawless, proving third-party cartridges work great.
https://files.mastodon.green/media_attachments/files/114/029/339/966/372/386/original/c4b3d3e7eacd3d43.jpeg