HP C7843-67901, 16 MB, Color LaserJet 4500, Color LaserJet 4550, LaserJet 1200, LaserJet 1300, LaserJet 1320, LaserJet..., 100-pin DIMM HP C7843-67901. Capacity: 16 MB, Compatibility: Color LaserJet 4500, Color LaserJet 4550, LaserJet 1200, LaserJet 1300, LaserJet 1320, LaserJet..., Memory form factor: 100-pin DIMM