NOT KNOWN DETAILS ABOUT HP INSTANT INK CONTACT

Note that you simply Have to Take out ALL HP instant ink cartridges if you don’t wish to get billed over and above the cancellation day. It seems you rent, not buy the cartridges. Worse, the ink dries out in the cartridges If you don't print frequently, but the “intelligent” chip they have will keep on to indicate that the cartridges are full