Premium FYFKF (331-0777) Cyan Toner Cartridge fully compatible with the Dell 1250, 1250c, 1350, 1350cnw, 1355, 1355cn, 1355cnw. The use of compatible supplies does not void your printer warranty. (FYFKF, C5GC3, 331-0777, 3310777, 331-0723, 332-0405, 332-0410, PDVTW, YPXY8, YX24V)