HI-VISION Compatible MLT-D203E Extra High Yield Monochrome Laser Toner Cartridge Replacement for Samsung SL-M3820DW,SL-M3870FW,SL-M4020ND,SL-M4070FR Printer (203E Black 1 Pack) Up to 10,000 Pages at 5% Coverage Ship within 1-2 business days Suggested Shelf life: 24-36 months at room temperature 180 days Money Back Guarantee and 1 Year warranty replacement Against Product Defect including Amazon Prime orders Premium Quality Cartridge is made by ISO9001 Certified Factory to Meet OEM Standards