Are you currently seeing on the printer body, or just the error on your monitor?
To prevent this ink from overflowing and damaging your desk or the internal electronics, Epson programmed an internal counter into the printer's firmware. Once this counter hits a specific digital limit (typically 100%), the printer locks itself down. When this happens, you will notice: Alternating flashing red lights on the printer panel. epson et2600 adjustment program free download link