A refilled HP ink cartridge has been demonstrated ... third-party-ink makers resorted to refilling old cartridges to circumvent this security feature. The original ink cartridges then received ...

Printer companies make customers constantly refill ink cartridges and even ... the printers with chips and software to only accept HP ink cartridges. Printers can also be programmed to not operate ...

HP is the most popular brand and is leading ... A customer will buy a printer once in three to five years; however, they buy ink cartridges/refills two to three times in a year.