The main problem is refilling the cartridges for the Epson printer. Related: Epson ET-4550 Gives You Ink for Years That last procedure is the cheapest one, and offers the greatest economy possible for the user, as long as it is done correctly.
Considering the rise in the price of ink cartridges, several users started to resort to alternative solutions, such as the purchase of similar cartridges (cartridges manufactured by a manufacturer other than the original one, but compatible with the printer), refilled cartridges (used original cartridges, reloaded with new ink) or refilling Epson cartridges themselves, in a process that consists of manually reloading the cartridge with new ink.
