The Epson 542 Black EcoTank Ink Bottle (T542120-S) delivers crisp, sharp text and professional-quality prints. Designed for use with EcoTank Pro and Supertank printers, this ultra high-capacity, water-based ink bottle offers up to 7,500 pages of reliable performance. With Epson’s EcoFit design, refilling is quick, clean, and error-free. Ideal for offices, schools, and high-volume home printing, this genuine Epson ink ensures long-lasting results and exceptional value.