I bought this Epson CX8400 because my large expensive printer had large expensive print cartridges and I just couldn't afford them anymore. I bought this, thinking I could save a bit of money. I did no research beyond what Staples had on sale at the time I needed it. BIG MISTAKE!!!! I homeschool and work from home as a writer. My normal printing routine ran me through cartridges every 10 to 14 days. I actually had to reevaluate my printing needs and figure out where I could cut copies. The ink costs about 60 dollars for all four cartridges that you need, and all of the ink cartridges have to have...