Dell, Inc 113X Black Toner Cartridge for 1130 1130n 1133 1135n, 2500 Page High Yield, Part Number 2MMJP Part number on carton and label is 2MMJP Compatible with Dell 1130, 1130n, 1133 and 1135n Laser Printers Offers up to 2,500 pages yield based on 5% page coverage