The Original HP B5L37A Waste Toner Collection Unit is a high-quality replacement part designed to work seamlessly with your HP printer. This unit effectively collects excess toner, ensuring clean prints and prolonging the life of your printer's components. Keep your HP printer running smoothly and efficiently with this genuine HP waste toner collection unit. It is engineered for durability and optimal performance, providing reliable results with every print job. Ensure the longevity of your printer and maintain print quality by replacing your waste toner unit when needed with this authentic HP part. It's an essential component for routine printer maintenance.