The remanufactured Lexmark E250 / Dell 1720 / IBM 1612 Black toner laser cartridge from Eco Tone designed for use with DELL 1720, 1720dn / IBM Info Print 1612 / LEXMARK E250, E350, E352 printers. With a yield of 3500 pages, this product ensures high-quality results while being environmentally friendly, making it an ideal choice for professional printing needs.