Keep your printer running smoothly with this 2-pack of E-04D1 T04D100 maintenance cartridges. These replacement cartridges are compatible with numerous models including ET-15000, ET-4850, ET-3760, ET-4760, ET-3850, ET-3750, ET-3710, ET-3830, ET-5150, WF-2860, XP-5100, ET-M1000, ST-3000, and ET-M2170 printers. The maintenance cartridge plays a crucial role in collecting waste ink during printing operations and routine maintenance procedures. Regular replacement helps maintain optimal printer performance and prevents potential issues caused by overflow. Each cartridge features a sturdy construction with clear labeling for easy identification and installation. Keep a spare on hand to ensure uninterrupted printing operations when replacement is needed.