Review of the instant ink service and customer service: The product is a complete rip-off. The idea of a cartridge system that is sent to you is not bad in theory, but it is clearly just a scam to pull as much money as possible out of costumers. I got an extra bill of over 70 dollars on top of the subscription fee, for an amount of pages I didn't print, with no warning or way to keep track of the printouts. On top of that I got a cancellation fee of 6 dollars as well as losing acces to the amount of pages I had payed for previously. The service is also broken most of the time as HP's software solutions are completely incompetently made. The support time is also no use and the printers are impossible to get to work properly, but that is to be expected.