High-resolution compatible toner cartridge produces sharp images and text2600 pages based on 5% coverage Vacuum sealed in protective boxes Manufactured to the highest standards - ISO9001 certified 12 months guarantee and 30 days no quibble guarantee Compatible With The following Laser printers (check your manual or contact us if your printer is not listed or you are unsure)HP LaserJet Pro 300 color M351AHP LaserJet Pro 300 color MFP M375nwHP LaserJet Pro 400 color M451dnHP LaserJet Pro 400 color M451dwHP LaserJet Pro 400 color M451nwHP LaserJet Pro 400 color M475dnHP LaserJet Pro 400 color M475dw