product code C13T671398 (also referred to as T6713 or C13T671300) is a high-capacity Ink Maintenance Box designed specifically for Epson's high-end WorkForce Enterprise series of business printers.
 
Prevents ink build-up and leaks within the printer mechanism, protecting components and maintaining consistent print quality. It is a mandatory, user-replaceable consumable.
 
The printer will notify the user when the maintenance box is full and will stop printing until a new box is installed.