The HP Q5945A LaserJet 45A Toner Cartridge is designed to minimize interruptions, giving you reliable printing technology every time you print. Compatible with HP LaserJet M345 multifunction printer series, you get the same consistent, professional results and reliable, trouble-free printing of Original HP Cartridges. Features Smooth HP toner particles produce true HP LaserJet print quality-smooth grayscales and fine lines Compatible with HP LaserJet M4345, M4345x , M4345xs, 4345, 4345x, 4345xs and 4345xm Multifunction Printers Yields up to 18,000 pages *HPs inkjet print cartridges, ink cartridges and printheads are warranted to be free from defects in materials and workmanship during the period of the warranty.