Original Lexmark 18C1974 OEM inkjet cartridge for Lexmark™ X2690, X3690, X4690, X5690, X6690, Z2390, Z2490 WiFi. Original Lexmark 18C1974 OEM inkjet cartridge for Lexmark™ X2690, X3690, X4690, X5690, X6690, Z2390, Z2490 WiFi. $20.88 Add to Cart