BLOOM 1set (5 Color) HP 564XL HP564 HP564XL 564 XL refillable ink cartridge for HP Photosmart premium C309a C309g C309n C310a C310b C310c C410a C410b C410d printer 1.this product is empty refillable ink cartridge ,1 x Black 564BK; 1 x photo black 564pbk ; 1 x Cyan 564C ;1 xMagente 564M ; 1 x Yellow 564Y;; Compatible list: Photosmart D5445/D5460/D5463/D5468/C5324/C5370/C5373/C5380/C5383/C5388/C5390 C5393/C6340/C6350/C6380/C6375/7520/D7560/B8550/C6324/D5400/D7560/B110c Photosmart premium C309a/C309g/C309n/C310a/ C310b/ C310c/C410a/ C410b/C410d Photosmart eStation C510a Photosmart Plus B210b PRINTER 5 color ;BLACK /photo black / BLACK / CYAN /MAGENTA /YELLOW 1.This kind of chip can not indicate ink level.. 2.Attention: For refillable ink cartridge users: Please make sure the ink cartrdge always have ink in it, that means users have to add ink before ink cartridge out of ink. So we suggest users check ink level one or two times every half an month according to your printing job quantities. 3.The chip\'s life will be over if ink cartridge out of ink. It is a good replacement for your original ink cartridges ,let you to save money