This MX510HB waste toner collection box comes from Sharp themselves and is a necessary additional part to ensure that waste toner is effectively dealt with.Each genuine Sharp MX-510HB waste toner bottle is designed to deal with an estimated 50,000 prints (at a 5% page coverage), making them a supremely efficient solution for nearly any busy office.Purchasing original parts like the Sharp MX-510HB is always great for your peace of mind, but this product also comes with a full guarantee with the manufacturer directly, to ensure that you are happy with your purchase.