I have for a long time purchased the smaller HP 300 normal size colour ink cartridges, and having recently changed to using the larger model, I thought I should write a review on whether the change has been worth it. As with the smaller capacity model, the HP 300XL comes as a single unit, which includes magenta, cyan and yellow, so unlike some other cartridge models, you will only need to purchase one unit. They are identical in design to the smaller capacity model, and so remain very simple to install into the printer, with mine you simply push and click. There are even instructions included with the cartridge which comes in handy for first time ...  Read the complete review