TRUE IMAGE Compatible Samsung MLT-D203E Toner Cartridge (Black, 1 Pack) High Page Yield: 10,000 pages @ 5% coverage Compatible Printers: Samsung ProXpress SL-M3820, SL-M3820ND, SL-M3820DW, SL-M4020ND, M3870FD, M3870FW, M4070FR New Replaces: Samsung MLT-D203E Certifications: ISO9001, ISO14001, CE, STMC Warranty: Lifetime 100% satisfaction guarantee