KEFOER W9048MC Waste Toner Box HP E77822-30 E77422-28 1-PackThis is a high-capacity waste toner collection unit designed for specific Color LaserJet Managed MFP printers. It serves as a direct replacement for the W9048MC model and is compatible with the E77822, E77825, E77830, E77422, and E77428 series. Waste toner boxes collect excess toner that accumulates during the laser printing process, helping maintain consistent print quality and protecting internal printer components. This 1-pack unit is ideal for offices with high-volume printing needs.Productdimensions8.7 x 4.3 x 5.2