It is however, possible that you could fix it yourself by resetting the printer and clearing the counter of how much ink has gone to those pads. Technically, this condition requires an Epson service engineer to resolve. That¡¯s right - all that ink you lose in cleaning cycles and priming new cartridges has to go somewhere, and your Epson printer keeps track of roughly how much ink it has dumped into some large absorbent pads in the base of the printer! In fact, numerous users in the internet community believe that this error is most often experienced when the printer has reached a condition where it thinks the ink waste pads inside the printer are full. Different printer models may have different descriptions of this error, but it seems to be generally described as a ¡®Unknown Printer Error¡¯. Occasionally, some users will experience the error on their printer where it stops printing and all the lights start flashing. How do I reset flashing lights error condition on my printer? Epson printer Reset Adjustment Program Epson printer Reset Adjustment Program