For crisp, sharp prints in both colour & monochrome choose the Lexmark 5 Tri-colour & 4 Black Ink Cartridges. You can also print in a greener way with Lexmark thanks to their free Cartridge Collection Program, which collects & recycles your empty cartridges minimising impact on the environment. The Lexmark 5 Tri-colour & 4 Black Ink Cartridges is compatible with the Lexmark X2690, X3690, X4690, X5690, X6690, Z2390 & Z2490 inkjet printers.