What is the difference between HP 302 and HP 302XL? The HP 302XL cartridges are the high capacity cartridges. For example, the HP 302XL black ink cartridge contains 8.5ml of ink and the HP 302 black ink cartridge has 3.5ml. This product is the XL type hence can print up to 600 pages unlike the ordinary one that yields 190 pages. Ink cartridges is not like the ordinary on the market. This type is refillable so when you buy, all you need is to refill the ink whenever the ink level goes down. Long lasting, isn’t it? HP 305 61 63 932 also available.