Small businesses. micro offices and departments in larger businesses who want professional quality colour laser documents.HP 309 LaserJet Printing Supplies work with the printer to make high-quality colour printing easy. cost-effective and reliable. An improved electro-photographic process in the system achieves a broad range of vibrant colours and sharp text.Compatible Printers: HP Color LaserJet 3500 Series. HP Color LaserJet 3500 N. HP Color LaserJet 3500. HP Color LaserJet 3550 N. HP Color LaserJet 3550
