4 x compatible HP 364 BlackCompatible with (NON-OEM):HP Deskjet 3070A 3520 3522 3524 PrinterHP officejet 4620 4622 4610 printerHP Photosmart 5510, 5512, 5514, 5515, 5520, 5522, 5524, 4622, 6510, 6520e, 7510, 7520, 7515, E-All in-One printerHP Photosmart B8550, C5324, C5370, C5373, C5380, C5383, C5383, C5388, C5390, C5393, C6324, C6380, D5460, D5463, D7560, E-All-in-One PrinterHP Photosmart B010A, B109A, B109B, B109F, B109N, B110A, B110C, B110E, B111A, B209A, B209C, B210A, B210C, B210D, C309A, C309G, C310A, C310B, C310C, C410B, C510A, C510C printerIKONG premium print quality and low printing costs- Saved more than 50% money - More cheaper but get the printing effect consistent with the original. - Print quality is clear and equipped with the latest smart chip. Show the ink level, Intelligent detection cartridge capacity. - IKONG compatible HP 364 ink cartridges have low power consumption - this significantly reduces printing costs . The quality ink is Odorless and protect your health. Warm Tips - Please remove the plastic film and orange cover before install the ink cartridges. - When the printer display an error message such as ?Incompatible? or ?ink cartridge is empty?. Click ?Continue? or ?OK? and the printer will continue to work.