Overview The Epson T04D100 is an ink maintenance box designed to collect excess ink flushed out during routine head cleanings in compatible EcoTank and Expression printers. It prevents internal ink overflow, keeps the print path clean, and ensures that nozzles remain ready for consistent printing. This component fits models such as the EcoTank ET-3700, WorkForce ET-3750, and Expression Home XP-5100, making it essential for maintaining print quality and prolonging printer life. Key features Captures waste ink generated during automatic head cleaning cycles to prevent internal damage and maintain print quality Easy replacement process with a simple slide-in design that requires no tools or technical skills Printer software alerts you clearly when the maintenance box needs to be replaced, minimizing downtime Lightweight design at approximately 0.4 lbs, allowing convenient storage and handling Genuine Epson part that protects your printer warranty and ensures optimal performance Key specs Compatible models: EcoTank ET-3700, WorkForce ET-3750, Expression Home XP-5100 Weight: approximately 0.4 lbs Function: collects waste ink from head cleaning cycles Installation and setup Replacing the ink maintenance box is straightforward and quick. When the printer signals that the box is full, simply slide the old unit out of its bay and click the new one in place. This process requires no tools or special skills, allowing you to resume printing promptly without extended interruptions. Ideal uses and environments This maintenance box is well suited for home offices, small workgroups, and anyone who regularly prints documents, photos, invoices, or lesson plans. Keeping a spare on hand helps avoid unexpected printing delays and supports continuous productivity by ensuring your printer stays clean and functional.