The marginless ink maintenance tank can be replaced by the user.The printer alerts you when the level is low or the tank needs to be changed.
Type of Ink / Toner
The Epson T619100 Replacement Borderless Maintenance Tank compatible for the Epson Stylus Pro 4900 printers. The printer ink maintenance tank is user replaceable. The printer will alert you when getting low or when tank needs to be changed.