Original hp inkthe hp combo 302 tri colour black ink cartridges deliver high yield black and colour inks, so you can print more great looking documents and images.you'll be able to get the most out of your hp envy, deskjet or officejet printer with a set of inks that are as consistent for text as they are for photos'. '.strtoupper('w')hether you're printing out personal documents, school projects or presentations for work, the hp combo 302 cartridges will deliver the results you want.hp instant inksave up to 70% on ink with hp's instant ink service'. '.strtoupper('w')hen 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'. '.strtoupper('y')ou can choose from a range of monthly page plans, and unused pages roll over to the next month'. '.strtoupper('t')he price includes ink, shipping and cartridge recycling.compatible printers hp deskjet 1110 hp deskjet 2100 series hp deskjet 3600 series hp envy 4500 series hp officejet 3800 series hp officejet 4650 series hp officejet 5200 series