How to check current printer firmware version and available firmware version for downgrading in WIC? | WIC Reset Utility. Reset the Waste Ink Pad Counters by WIC.
Epson Printer Firmware Reset And Downgrade Instructions
Guide: Downgrade Printer Firmware (Fix Ink Not Recognized Error) Epson XP-300 to XP-630 (XP-640-646) - YouTube
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Epson Printer Firmware Reset Or Downgrade Instructions
Downgrade firmware on Epson WF-3720 - YouTube
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5 year old Epson printer puts out a firmware update solely to restrict use of recycled ink cartridges : r/assholedesign