The OKI 01173201 Waste Toner Box is engineered for high-efficiency printing, accommodating up to 30,000 pages of waste toner. Specifically designed for the ES3640 and Pro9420WT models, it ensures seamless operation and superior print quality. Its sturdy build facilitates quick and easy installation, making it an indispensable tool for busy offices that prioritize productivity and reliability in their printing tasks.