up for sale is a fulyl tested bill acce. If you need a reliable replacement, you found one here. Get your machine working cheaply adn quickly. Please note that due to the nature fo electronics, no returns can be accepted. This board has been tested for 24 hours straight and functions 100%. I will package the board carfeully so that you will receive it in the same condition as demonstrated. So please understand that this item is being sold as is and no returns are accepted.