Lexmark High Yield Return Program Laser Print Cartridge. Average Cartridge Yield 30,000 (standard pages). For use with the Lexmark T620, T620N, T620IN, T620DN, T622, T622N, T622DN, T622IN and X620E MFP OEM Ref - 0012A7644.Compatible Printers: Unisys UDS 136 N, Lexmark 4069-7XX, Riso P 620, Unisys UDS 134 N, Riso M 620, Lexmark T 622 DN, Lexmark Optra T 622 N, Lexmark T 620 DN, Lexmark T 620 IN, Lexmark T 622 IN, Lexmark Optra T 620, Lexmark T 622 N, Lexmark Optra T 620 IN, Lexmark Optra T 620 DN, Lexmark Optra T 622 IN, Lexmark T 620, Lexmark X 620 E, Lexmark T 620 N, Lexmark T 622, Lexmark Optra T 622, Lexmark Optra T 620 N, Lexmark Optra T 622 DN, Lexmark Optra T 620 Series, Lexmark T 620 Series, Unisys UDS 136, Unisys UDS 134, Lexmark 4069-5XX