High-Quality TROY MICR Toner Secure™ Cartridge for use with the TROY MICR 2420/2430 and HP LaserJet 2420/2430 Printers only. Cartridge yields approx. 6,000 pages with 5% coverage. (Coordinating Non-MICR HP Part Number  HP-Q6511A). Carton Dimensions 15x5x11 ;Weight 3.2 lbs; UPC 6 34360 04241 9; Yield approximately 6000 pages with 5% coverage; 72 cartridges per pallet