Inkjet printers can command eye-poppingly low purchase prices, but their buy-in cost advantages disappear when you add in your investment of ink cartridges over the printer’s lifespan. That investment becomes even more expensive when inkjet manufacturers, such as HP, produce cartridges that no longer print after they reach a specific age. However, some HP Photosmart printers include secret override procedures you can use to bypass those devices’ ink-expiration warnings. Writer Bio
