Compatible with HP LaserJet M209dwe, M209dw, MFP M234sdwe, M234dw, M234dwe Page Yield: Up to 2,400 pages per 134X W1340X Compatible Toner Cartridge Replacement for HP 134A W1340A 134X W1340X Color Type: Black 100% Compatibility Easy Installation Designed to work flawlessly with HP LaserJet M209 Series and M234 Series printers. No firmware errors, no hassle. Plug and print. For HP E series Printer, only work with never subscribed HP+ program, won't work under subscription or has subscribed in the past. Cost-Efficient Alternative to OEM Get the same performance as original HP cartridges at a fraction of the cost. Save money without compromising quality. Eco-Friendly & Certified Safe Built with recycled materials and certified for RoHS, ISO9001 & ISO14001. Safe for you and the environment. Leak-Proof Packaging & 2-Year Warranty Secure packaging ensures the cartridge arrives in perfect condition. Backed by a 2-Year warranty & 24/7 customer support.