I signed up for the 100 page plan ($4.99) but found out thru the online ink account that I was printing 152, 146, 121, etc., pages some months so I changed to the 300 page plan ($9.99). The online ink account is easy & customer service is great. Basically, a prepaid card comes with the printer purchase, & hp gave more ink credits for this promotion. hp people were in the store & there was a deal on the printer & ink. Purchased an hp Office Jet Pro 8035 printer in Best Buy for personal use. This review is from HP - Instant Ink $5 Prepaid Card Give Instant Ink a try! What's the worst that can happen?! I purchase the pre-paid cards to load into my account because I prefer that compared to monthly $0.99 charges on my account. I have not run low or out of ink yet but in that scenario, once you're running low, the printer communicates this with your account and automatically sends you out the new cartridge(s) with fast and free shipping. On 5/7 of the packages, if you go over your limit and you don't have any roll-over pages you are charged $1 for 10 pages and the other 2 packages the overages are 15 pages per $1. If you print a LOT it becomes way more cost-effective in the larger packages and you can roll over a LOT more unused pages. If I don't use some or even all, they roll over to the next month which on the $0.99/mo plan you can rollover up to 45 unused pages at once. For me, I pay $0.99/month for 15 pages since I hardly print. As soon as you enter those cartridges into your printer, the printer communicates with your account, and your monthly subscription starts immediately. You purchase a monthly plan that fits your needs which starts at $0.99/month, and HP sends you brand new, full color & black cartridges for your printer. I absolutely love HP - Instant Ink! It's confusing from an outside perspective if you've never tried it so I'll try to break it down for you.

Hp printer ink subscription