Polaroid TN570 Replacement Toner Cartridge for Brother TN570 - Black High performance, guaranteed replacement toner cartridge from Polaroid, the leader in digital imaging. High yield black replacement toner for Brother MFC, HL and DCP series machines (see full compatibility below). Approximate yield: 3500 pages at 5% page coverage Smart engineering means a perfect fit for your machine while providing the same performance and reliability as original Brother 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.