Lexmark High Yield Magenta Return Program Toner Cartridge for US Government, 2000 Yield (C540H4MG) Lexmark C540 C543 C544 X543 X544 High Yield Magenta Return Program Toner Cartridge for US Government (2 000 Yield) (TAA Compliant Version of C540H1MG) Lexmark C540 C543 C544 X543 X544 High Yield Magenta Return Program Toner Cartridge for US Government (2 000 Yield) (TAA Compliant Version of C540H1MG) OEM Toner Magenta 2000 Pages High Yield