Epson WF-5790 Error 0x02C8 The Epson WF-5790 printer may display the error code 0x02C8, accompanied by the message “EJ2 load position excess speed error. Failed to read The EJ2 motor encoder.” This error could occur due to several reasons, such as contamination of the EJ2 encoder scale, skew or damage of the EJ2 encoder FFC…