64015HA T64X HIGH YIELD RETURN PRINT CARTRIDGE (21K)

Keep prints from smearing with this high-yield black toner cartridge. The high yield lets your staff members print up to 21,000 papers before having to replace this cartridge, making it a great choice for busy offices and other businesses with extensive printing tasks. This Lexmark T644 black toner cartridge installs easily into select Lexmark laser printers for convenience.Compatible with: Lexmark T640, 640dn, 640dt, 640dtn, 640n, 640rn, 640tn, 642, 642dn, 642dtn, 642n, 642tn, 644, 644dn, 644dtn, 644n, 644tn.