1,All brand new parts 2,Less 1% defective rate 3, ... would send the replacement of good without any shipment cost ,8.defective rate : less than 1%Brand new black toner cartridge ... to leaving the factory.2) We guarantee for 100% replacement or refund for any defective products3) Prompt delivery (Express ... Any enquires must be responded within 24 hours Brand new black toner cartridge for HP Q2624X/ LJ1150