Rhinotek offers a full range of computer consumables manufacturing and marketing OEM compatible toner and inkjet cartridges, ribbons, and copier and fax supplies. Rhinotek products are 100% guaranteed, and Rhinotek's quality control standards rank among the highest in the industry. This product is designed for the following HP systems: Color LaserJet 1500; Color LaserJet 1500l; Color LaserJet 2500; Color LaserJet 2500l; Color LaserJet 2500n; Color LaserJet 2500tn; Color LaserJet 2550; Color LaserJet 2550l; Color LaserJet 2550ln; Color LaserJet 2550n; Color LaserJet 2820 All-In-One; Color LaserJet 2840 All-In-One.