Polaroid Professional L-0034-PRO Remanufactured Inkjet Cartridge Replacement for Lexmark 28/34 (18C0034), Black Ink Replaces Lexmark 28/34 (18C0034) black inkjet cartridge Compatible with: Lexmark P4330, P4350, P6250, P6350, X2500, X2530, X2550, X3350, X3530, X3550, X4530, X4550, X5070, X5250, X5270, X5320, X5450, X5470, X5495, X7170, X7350, X8350, Z810, Z816, Z845, Z1300, Z1310, Z1320, Z1420, P915 Prints up to 550 pages Includes 1 black, premium inkjet cartridge, part number: L-0034-PRO Polaroid Professional 100% performance guarantee