The official solution? Replace the sponge and pay Epson $100 for a mainboard reset.
Open the printer. Remove the left side cover. You will see a white plastic cartridge with a sponge. Take it out, squeeze the ink into a trash bag (wear gloves—it’s toxic), and let it dry. Or replace it with a new generic pad for $3. Why the T10/T11 Specifically? The Epson Stylus T10 and T11 are unique because they use the DURABrite Ultra pigment ink. Pigment ink clogs waste pads faster than dye ink. Epson knew this, so they set the counter aggressively low—often triggering at just 30% of the pad's physical capacity. Epson Stylus T10 T11 Working Resetter
If your printer was flashing the error after 8 years of heavy use, you have a ticking time bomb. The ink will eventually leak out of the bottom of the printer, ruining your desk and potentially shorting the power supply. The official solution
Resetting these models is actually safer than resetting a dye-based model, because the pigment ink dries into a solid chunk rather than leaking as a liquid. The Epson Stylus T10/T11 Working Resetter is not a hack. It is a recovery tool . Epson puts this software in their service manuals (not for public release). Using it returns your printer to the exact state it was in the day you bought it—full sponge and all. Remove the left side cover