Ensure reliable communication with the SUB-R control board using the genuine Epson Relay SUB-R Harness W-5 (Ref. 656, Part No. 2227690). Designed specifically for the Epson SureColor F9530 and F9530H dye-sublimation printers, this replacement relay harness provides secure electrical connectivity between the SUB-R board and critical printer components. It ensures stable signal transmission, dependable printer operation, and consistent high-quality print output during continuous production. Ideal for replacing damaged, worn, or faulty wiring harnesses. This genuine Epson spare part offers a precise fit, dependable performance, and long-lasting durability.