Compatible Lexmark models: CS : CS310dn, CS310n, CS410dn, CS410dtn, CS410n. . Return Program cartridge for savings Also for use in CS410dn, CS510de and more Reliable, long-life print system with Unison Toner High yield to change cartridge less and reduce your environmental footprint Compatible with CS310dn Yields up to 3,000 pages. Unison toner technology for consistently high print quality. Delivers rich color with crisp details. Documents printed look great from the first page to the last, without fading. Helps Avoid Waste – Designed for extended use, helping reduce or eliminate material use and potentially save money. Recycling solution – designed to encourage recycling, helping you divert materials from landfill.