How do I set up and use Instant Ink with my HP DeskJet 3755?
Register your printer for HP Instant Ink which helps save up to 50% on ink costs compared to standard-capacity inkjet supplies by purchasing pages in plan via internet. Ensure you have a valid credit card, email address and access to the geographic service delivery areas.
From the official HP Deskjet 3755 All-in-One Printer manual, page 2
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