The importance that we give when we are buying a brand of printer model should be given when we buy the printer ink cartridge also because there is no point in operating a printer that has low quality printer ink cartridge in it. Even though the price of the printer ink cartridges are very much expensive, we should never compromise on the quality of the printer ink cartridges that we buy for our printer because the printer ink cartridge is the heart of the printer. Another thing that we should always keep in mind when we buy printer ink cartridges is that, we should make sure that we but only the original printer ink cartridges from authorized shops of the printer brand that we use. Only then can we safeguard our self from buying printer ink cartridge which is not genuine or original. If we happen to use non-genuine printer ink cartridges in our printer, the printer may not function properly and may break down. Hence, it always advisable to go for genuine epson ink cartridges for epson printers and the same thing applies to the lexmark ink cartridges which can be used only with lexmark brand of printers.