BCH 5PCS Refillable Cartridges for HP 564 Cartridges Compatible to Photosmart Series with New Generation Chip Save up to 95% of printing cost by refilling your cartridge Specially designed to fit OEM printers. High capacity cartridge High quality cartridge produce superior image quality and unbeatable value. Easy to prime and refill. Just take off the refill plug and add ink. No need to remove the unit for refilling Refill manual avaialbe at bchtechnologies. Suggested refill ink sku: KH600X-2PH