Ensure reliable communication between the SUB-R and MAIN-B control boards with the genuine Epson SUB-R to MAIN-B Harness W-43 (Ref. 611, Part No. 2227698). Designed specifically for the Epson SureColor F9530 and F9530H dye-sublimation printers, this replacement wiring harness provides secure electrical connectivity and stable signal transmission between critical control boards. It helps maintain accurate system communication, dependable printer operation, and consistent high-quality print output during continuous production. Ideal for replacing damaged, worn, or faulty wiring harnesses in professional dye-sublimation printing environments. This genuine Epson spare part offers a precise fit, dependable performance, and long-lasting durability.