The Epson T619000 Maintenance Box is an essential item to keep your printer running smoothly & provide consistent quality. This ink replacement tank stores ink that gets flushed from the system during printhead cleaning. Your printer & its software will let you know when the maintenance box needs to be replaced. This maintenance box is user replaceable & easy to install. Device Types: Wide Format Inkjet Printer; Supply Type: Maintenance Tank; OEM / Compatible: OEM; Remanufactured: No.