If you have one of these printers then I have a genuine HP high capacity dual pack print cartridges Supported printers: HP LaserJet 4000, HP LaserJet 4000n, HP LaserJet 4000se, HP LaserJet 4000t, HP LaserJet 4000tn, HP LaserJet 4050, HP LaserJet 4050 usb-mac, HP LaserJet 4050n, HP LaserJet 4050se, Free to collect or you pay for postage or collection from TE. These are currently £120 on amazon. http://www.amazon.co.uk/gp/aw/d/B0020KZU3K?pc_redir=1404913215&robot_redir=1 If there not gone by TE then they will be skipped.