Epson L120 Error 0xC9 Epson L120 Error Code 0xC9: Ink Device Error and Troubleshooting If you own an Epson L120 printer and come across the error code 0xC9 with the message “Ink device error. Ink cartridge failure. Holder board assy failure (CSIC or contact failure). Main board failure. Cable or FFC disconnection” displayed on your…