HP LaserJet 4014, 4015, 4514 Cooling Fan - OEM - OEM# RK2-1988-000CN - Cools the Cartridge and Power HP LaserJet 4014, 4015, 4514 Cooling Fan - OEM - OEM# RK2-1988-000CN - Cools the Cartridge and Power Supply AreaPart Number:RK2-1988-000Condition:NewWarranty: 6 Month