Replace only the empty. Six unique HP cartridges mean you change out just the colour you need Get up to twice as many pages vs. with refills. Based on a Buyers Laboratory Inc. 2014 study commissioned by HP for the on-average performance of cartridges refilled and remanufactured compared to Original HP ink cartridges
HP Printer compatibility: HP Photosmart 3210, 3310, C5180, D7245, D7255.
The stock listed above does not take into account variances in stock levels that may occur and any items on hold.