4 Pack Remanufactured Replacement Laser Toner Cartridge for Hewlett Packard Q7553X (HP 53X) High-Yield Black TonersDC Cartridges are manufactured in internationally certified ISO facilities. TonersDC Cartridges are designed to provide equivalent print life to the original brand name cartridges. TonersDC Cartridges come with 100% product warranty against defective within warranty period. Page Yield Meets Printer Manufactures Specifications for Page Yield.