Teacher's File

HP Colour LaserJet printing supplies are designed to work precisely with HP Colour LaserJet 8500/8550 series printers for optimum output and reliability HP Ultraprecise spherical colour toner is chemically grown for uniform particles and consistent colour Individual cartridges and kits make it easy to replace only the printing supply needed Backed by HP warranty Low total cost of ownership that clearly saves you money and time Page yield of 17,000 pages based on 5% average coverage 20.08" x 7.2" x 9.45" Black.