Ultra high-yield toner cartridge features the Unison Toner's unique formulation that consistently delivers outstanding image quality, ensures long-life print system reliability and promotes superior sustainability - all in an innovative, shake-free print system. Genuine Lexmark toner is engineered to work best together with your Lexmark printer, delivering excellent print quality from the first page to the last. Cartridge is designed for use with Lexmark CS521dn, CS622de, CX622ade, CX625ade and CX625adhe. 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. These patented cartridges are licensed for single use only and will stop working after delivering a fixed amount. Cartridge yields approximately 7,000 pages.

UL Listed Certification

Limited Lifetime Warranty Warranty Period The Warranty Period for each Product is shown in the section entitled "Supplies Products Covered by the Lexmark Limited Warranty" , and starts on the date of original purchase.