If you’re in the market for a printer, ebuyer’s £100 cashback offer on HP’s OfficeJet ... months of HP Instant Ink’s subscription service too, shipping out new cartridges as you start ...

If you cancel your plan mid-month or have ink left over when you don't renew, that cartridge will be deactivated, and you'll have to purchase one retail. According to HP, subscribing to Instant ...