MX230HB Genuine Sharp Waste Disposal Unit, 50000 Page-Yield Genuine Sharp waste disposal unit for MX2310F, MX2310N, MX2310U, MX2610N, MX2615N, MX2640N, MX3110N, MX3111U, MX3115N, MX3140N, MX3610N, MX3640N. Provides high-quality results with ease. Integrates seamlessly with your printer. Simple to install and use.