Original hp inkbring your photos and documents to life with the hp 303xl tri colour ink cartridge. Delivering bright, authentic colours, it gives you high quality prints that dry fast. And they won't smudge or fade over time.made from recycled materials, the 303xl ink cartridge is affordable as well as being good for the planet. It also provides ink balancing, so you can get more from your cartridge before having to replace it.hp instant inksave up to 70% on ink with hp's instant ink service. When your printer is running low, it automatically orders more ink cartridges, so you don't have to order them yourself.the service works on how many pages you print, not how much ink you use. You can choose from a range of monthly page plans, and unused pages roll over to the next month. The price includes ink, shipping and cartridge recycling.compatible printers hp envy photo 6000 series hp envy photo 7000 series hp tango tango x