Genuine Lexmark Unison Toner Cartridge Works Best Together with your Lexmark printer and is designed to provide exceptional value, reliability and durability in the Unison print system. Keep up-front costs low and quality high with Genuine Lexmark cartridges. Standard Yield cartridges offer a lower purchase price and contain fewer pages than High Yield cartridges do. Perfect for low volume printing. Essential to Lexmark print system performance, Unison™ Toner's unique formulation consistently delivers outstanding image quality, ensures long-life print system reliability and promotes superior sustainability -- all in an innovative shake-free print system. Lexmark Return Program cartridges are patented print cartridges sold at a discount in exchange for the customer’s agreement to the license requirement that the cartridges will be used only once and returned only to Lexmark for remanufacturing or recycling. Compatible with: MC2640adwe, C2325dw, C2535dw, MC2325adw, C2425dw, MC2425adw, MC2535adwe. Yields up to 1,000 pages. Going green has never been easier. Recycle all your used Lexmark supplies by letting us take care of the details. It’s simple, smart and always free. Certification & Standards: ISO/IEC 19752. Consistently outstanding image quality. Long-life system reliability. Superior sustainability. Innovative shake-free print system. Earn free supplies with Lexmark Rewards.