In many cases you can get those prints flowing again by "tricking" your printer into thinking you have replaced the cartridge. It isn't that difficult. Printers aren't that smart. Manjoo does point out, however, that inkjet printers are a bit harder to fool. Why is that? It's all about the money:
Inkjet makers have a lot riding on your regular purchases of ink -- and they go to great lengths to protect that market. In 2003, the British consumer magazine Which? found that inkjet printers ask for a refill long before their cartridges actually go dry. After overriding internal warnings, a researcher was able to print 38 percent more pages on an Epson printer that had claimed it didn't have a drop left. Lawyers in California and New York filed a class-action lawsuit against Epson; the company denied any wrongdoing, but it settled the suit in 2006, giving customers a $45 credit. A similar suit is pending against Hewlett-Packard.Check out the article and see what you can do to fight back against Big Ink.