- Reliable Ink Maintenance: The C9344 EWMB3 C12C934461 Ink Maintenance Box ensures optimal printing performance by preventing clogs in the print head. Each unit is individually sealed to maintain freshness, providing dependable results for your printing needs. - Compatible Printer Models: This maintenance box is designed to work seamlessly with a variety of Epson printers, including ET-2840, 4810, XP-4100, 3100, 4105, WF-2930, 2950, 2830, 2850, L3550, and L5590. Enjoy hassle-free installation and operation across a wide range of devices. - Quality Fibre Cotton: The ink maintenance tank features a built-in high-quality waste ink cotton that effectively absorbs ink, preventing spills and keeping your hands clean during maintenance tasks. - Stable and Reliable: Equipped with a new intelligent chip, this waste cartridge ensures compatibility and stable performance. The long-lasting design of the maintenance cartridge enhances its service life, providing you with consistent printing support. Use Scenarios: - Ideal for home office setups where consistent print quality is essential for documents and presentations. - Perfect for small businesses that rely on high-volume printing, minimizing downtime due to ink-related issues. - Convenient for educational institutions that require regular printing for materials, ensuring smooth operation without interruptions.