Epson XP-202 All in One Printer - Spares or Repair (Gleadless S12)

My trusty Epson XP-202 printer has developed a fault. Every colour is printing as magnolia. I have tried carrying out several cleaning cycles, and have replaced all the cartridges, but to no avail. I don't know if it is repairable, but the four full cartridges are still inside the printer (Epson "Daisy" compatibles).

       
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