Toner Cartridge yields up to 25000 pages. It is laboratory tested for quality, performance and page yield. This toner cartridge is compatible for OptraImage T614dx, Optra T610, T610n, T610sx, T612, T612n, T612s, T614, T614n, T614nl, T616, T616n, T622, ADP LaserStation 1500, 2000, IBM W812tn, Unisys UDS-15, UDS-20, UDS-25, UDS-35 printer

Fits Lexmark:

T610, T610SX, T610N, T612, T612N, T612S, T614, T614N, T614NL, T614S, T616, T616N