Product description 1000 staple cartridge pack provides three staple cartridges per package hp laserjet printing supplies are always the right choice they deliver exceptional print quality and hassle free operation page after page because theyre specifically designed to work with hps printers did you know that 70 of a laserjet printers imaging system comes from hp laserjet print cartridges the technology of the print cartridge is any printing systems most critical component so if youre