Ensure reliable ATC motor communication and smooth printer performance with the genuine Epson Relay ATC Motor Harness (Ref. 578, 2221518). Designed for the Epson SureColor F6430H printer, this replacement relay harness provides stable electrical signal transmission to the ATC motor, ensuring smooth operation and consistent print quality. Ideal for replacing damaged or worn harnesses in professional dye-sublimation printing environments. This genuine Epson spare part offers a precise fit, dependable performance, and long-lasting durability.