My printer says my ink cartridge is empty. I think it's lying
Solution:
You may be right. Printer out-of-ink messages are notoriously unreliable. The good news: You can try various hacks to get around those ink cartridge controls. We're not suggesting that all, or even some, of these reader tips will work with your printer, but they're worth a try. One tip reveals how to reset ink cartridges for various HP printers. And a video on this page shows how to revive an "out of ink" Epson cartridge. If you're feeling adventurous, check them out.