Keep supported Epson EcoTank printers in service with a genuine maintenance box designed to capture waste ink before it reaches critical internal components. The T04D100 is specified for ET-2700, ET-3700, and ET-4700 models, making it the right fit when print volume and uptime matter more than low-cost substitutes. For IT teams and office managers, the value is operational control. A maintenance box is not a consumable you want to think about during a busy workday; it is a service part that helps preserve print reliability and reduce avoidable downtime. Using the OEM part ensures the printer recognizes the component correctly and maintains the service path Epson intended for these devices. Choose this maintenance box when you need predictable replacement intervals, clean waste-ink handling, and a direct match for the printer platform already in place. It is a small part with a large role in keeping distributed workgroups productive.