Review on 🖨️ Remanufactured Ink Cartridge Replacement for Epson 802 802XL - MYCARTRIDGE - Compatible with WF Pro EC-4040 EC-4020 WF-4740 WF-4720 EC-4030 WF-4730 WF-4734 - 2 Black 1 Cyan 1 Yellow 1 Magenta, Pack of 5 by Shah Nelson

In August (2020) Epson released a firmware update that will detect remanufactured cartridges and prevent the printer from using them. Until there is a solution, they will not work if your Epson WF-4740 received a firmware update. My printer was updated yesterday (10th August 2020) and the remanufactured black cartridge installed was no longer recognized by the printer. Then I unpacked and installed another cartridge. The printer doesn't recognize it either. Everything worked before the update.