The printer ink maintenance tank is user replaceable. The printer will alert you when getting low or when tank needs to be changed.
The genuine Epson T6711 maintenance box collects any excess ink and stores it within itself so that no damage or unnecessary blockage is caused. It is an original waste collection unit for your printer; it gathers up excess toner from your printouts so that your printer is kept clean. It is manufactured by Epson and therefore ensures the best performance in your printer and guarantees results.