Maximize the performance of your HP LaserJet Enterprise M611, M612, MFP M634, M635, or M636 series printer with this high-yield 147X Black Toner Cartridge Replacement (2-pack). Designed to deliver crisp, professional-quality text and graphics, these compatible toner cartridges offer an exceptional value for high-volume printing needs. Engineered to meet or exceed OEM standards, these cartridges ensure reliable operation and consistent output quality. With a higher page yield compared to standard cartridges, you can print more before needing to replace the toner, reducing downtime and saving you money in the long run. Compatible with multiple HP printer models, this 2-pack provides a convenient solution for replenishing your toner supply.