This HP Q6511A Compatible Black Toner Cartridge is a high quality laserjet toner that prints 6000 pages at 5% average coverage. Combining crisp black and white prints with all types of documents the Q6511A is a viable toner which saves money on buying the original Q11A and helping the enviroment as well. The 11A Q6511A is ideal for both home and office environments. LaserJet 2410,LaserJet 2420,LaserJet 2420d,LaserJet 2420dn, LaserJet 2420n,LaserJet 2430,LaserJet 2430dtn, LaserJet 2430n,LaserJet 2430t,LaserJet 2430tn