Ensure reliable communication with the SUB-C control board using the genuine Epson Relay SUB-C Harness W-4 (Ref. 652, Part No. 2227689). Designed specifically for the Epson SureColor F9530 and F9530H dye-sublimation printers, this replacement relay harness provides secure electrical connectivity between the SUB-C board and critical printer components. It ensures stable signal transmission, dependable system operation, and consistent high-quality print output. Ideal for replacing damaged, worn, or faulty wiring harnesses. This genuine Epson spare part offers a precise fit, dependable performance, and long-lasting durability.