Ensure reliable communication with the MAIN-D control board using the genuine Epson Relay MAIN-D Harness W-201 (Ref. 654, Part No. 2234315). Designed specifically for the Epson SureColor F9530 and F9530H dye-sublimation printers, this replacement relay harness provides secure electrical connectivity between the MAIN-D board and critical printer components. It ensures stable signal transmission, dependable system operation, and consistent high-quality print output during continuous production. Ideal for replacing damaged or faulty wiring harnesses. This genuine Epson spare part offers a precise fit, dependable performance, and long-lasting durability.