The Epson P50 waste ink pads are internal sponges. Once they are physically full, resetting the counter allows the printer to pump more ink into an already soaked sponge. The result? Ink pours out the bottom of the printer, frying the power supply and staining your desk.
For the Epson P50, there is a physical device called an "Epson Resetter" that you plug into the USB port. It sends the reset signal automatically. Epson P50 Adjustment Program Free Download
: The most common use; it resets the internal counter to 0%, allowing the printer to resume operation. EEPROM Operations The Epson P50 waste ink pads are internal sponges