Epson PX-M840F Error OxCA The Epson PX-M840F printer may sometimes display the error code OxCA, which indicates an ink device error. This error typically arises due to a failure in the ink cartridge or the holder board assembly. It can also indicate an issue with the CSIC (Customer Self-Inking Cartridge) or contact failure, main board…
Epson PX-M840F Error Code OxCA Part 6537
