The print cartridge is not recognized is the most common error with Epson printers. There are three quick check you need to do in such situation. First see to it that if you have been using this cartridge from some times or not, as the error appears when the cartridge is empty. Secondly, make sure you are using a correct cartridge for your printer. Thirdly, check if all the cartridges are in correct slot. If you have checked all these things and everything looks pretty well then you might need to clean the cartridge. Please contact us at Epson Printer Helpline UK and take help from our experts to resolve this issue.