




The Roland Mainboard Set is a critical replacement component designed for precision and stable performance in Roland large-format printers. Built with high-quality materials and advanced electronic control circuits, this mainboard ensures smooth data transmission, accurate printhead control, and reliable machine operation.
Roland FJ-740, Roland FJ-540, Roland SJ-645, Roland SJ-745
Suitable for replacing faulty or damaged mainboards in Roland wide-format printers to restore normal printing performance, data communication, and machine reliability.
Please confirm product model, specifications, and compatibility before ordering. Buyer-side compatibility mistakes are generally not eligible for return, refund, or compensation.
Printheads, inks, cleaning liquids, electronic boards, and opened or installed items are non-returnable and non-refundable unless we shipped the wrong item or the goods arrived damaged.
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping time, stock availability, duties, and import charges may vary by product and destination. Some orders require manual confirmation before shipment.
Estimated delivery time is for reference only and is not a guaranteed delivery date.
If you need an urgent shipment or compatibility check, please contact us before purchase.