Office Depot Brand remanufactured cartridges are laboratory tested for quality, performance and page yield. Plus, they cost less than other national brands.Compatible Lexmark models:T520, T520d, T520dn, T520n, T522, T522dn, T522n, X520, X522Compatible ADP models:LaserStation: 1520, 3000, 4000Compatible Nashuatec models:P-6220, P-6225Compatible Unisys models:UDS-130, UDS-132 Comparable to the Lexmark 12A3160 cartridge. Backed by 100% No-Risk Quality Guarantee to perform to your complete satisfaction. Yields up to 20,000 pages. Greener choice - they require less energy to produce and help prevent waste in landfills.