The Epson T04D1 maintenance box collects the waste ink that an inkjet printer flushes through its printhead during cleaning cycles. Once it fills, the printer stops and asks for a replacement, so keeping a spare on the shelf avoids an unplanned halt part way through a job.Fitting the box takes a moment on most compatible models: the printer tells you when the limit is reached, and the replacement slots into place without tools. The exceptions are the ET-2700 and ET-2750, where the maintenance box must be installed by an authorised Epson service agent rather than by the user.Because this is a genuine Epson part, the printer recognises it and resets its internal counter correctly. That matters, since a printer that cannot read the box will keep reporting a full waste tank even after a change.Suited to owners of compatible Epson EcoTank, WorkForce and Expression printers who want a spare on hand before the warning appears. Browse the printer consumables range or the full Epson collection at Everyday Home Living. Specification Detail Part number C13T04D100 Type Waste ink maintenance box User replaceable Yes, except ET-2700 and ET-2750 Brand Epson