Epson uses a permanent and fixed print-head that is reachable and difficult to reach. This type of print-head allows Epson to use high-quality print-head which depends on the inclusion of separate ink tanks to feed /supply the ink in the head. Ink tanks are generally cheap to manufacture and supply, supply a new print-head with other manufacturers like HP, Lexmark,Canon and many other ink tanks. In other words, when you change the tanks, you change the head "But" cartridges are often more expensive.
For those who are afraid of the printer warranty loss, they will often stick to the original Epson cartridge, although others will have to use the compatible cartridge happily or refill themselves. Epson "allude" an din some cases actually claim that compatible, refilled and re manufactured cartridges remain low in quality resulting in poor performance and yield. Epson also claims that they can and can harm your printer in extreme cases. This is not true in our experience, both the