To sign up for our daily newsletter covering the latest news, features and reviews, head HERE. For a running feed of all our stories, follow us on Twitter HERE. Or you can bookmark the Gizmodo Australia homepage to visit whenever you need a news fix. After being in overseas markets for years, HP has finally launches its Instant Ink service in Australia. Here’s how it actually works. What is Instant Ink? Instant Ink is a subscription service that is positioned as a way to avoid ever running out of printer ink at the worst possible time. Users pay a monthly fee based on how much they use per month. Regardless of what plan you’re on, you get the same ink cartridge and simply use your monthly allocation.