E-Z Ink (TM) Compatible Toner Cartridge Replacement for Samsung 203 203L MLT-D203L High Yield to use with ProXpress M3370FD M3870FW M4070FR M3320ND M3820DW M4020ND (Black, 1 Pack) E-Z Ink compatible toner cartridges replacement for Samsung MLT-D203L are manufactured in an ISO 9001 & ISO14001 certified facility. All toner cartridges are engineered to produce superb results. Package Contents: 1 x User Guide, 1 x MLT-D203L Black (Total 1 Pack) Page Yield: Black is 5000 pages per cartridge at 5% coverage ($0.007 / page ONLY, Save up to 70% compared to OEM toner cartridge) Compatible Printers: Samsung ProXpress M3370FD, M3870FW, M4070FR, M3320ND, M3820DW, M4020ND Laser Printer. Warranty & Support: E-Z Ink toner cartridge comes with 2-Year 100% Quality Guarantee / Shelf life: 24 months. Please contact Manufacturer E-Z Ink directly for any questions  Technical support, customer support is always online for you. ProXpress M3370FD ProXpress M3870FW /SL-M3870FW ProXpress M4070FR ProXpress M3320ND ProXpress M3820DW ProXpress M4020ND