Polaroid CB436A Replacement Toner Cartridge for HP 36A - Black High performance, guaranteed replacement toner cartridge from Polaroid, the leader in digital imaging. Black replacement toner for HP LaserJet P1505n, P1505, M1522nf MFP, M1522n MFP. Approximate yield: 2000 pages at 5% page coverage Smart engineering means a perfect fit for your machine while providing the same performance and reliability as original HP supplies. Helps protect our environment by containing recycled components, resulting in over 90% of the original cartridge's non-wearing parts from needlessly clogging landfills.