Though the Epson printers are known for user-friendly interfaces, they are bound to face some errors. One such technical error is Epson printer error 000033. This error usually occurs when the Epson ink cartridge does not mount correctly or the ink cartridge depletes. To fix the issue, try removing the Epson ink cartridge and replacing it again attentively. For a depleted cartridge, you should try replacing the cartridge with a new one.