【Economical with Individual Replacement】The Yinuaseus LC411BK-4PK features separate cartridges for black (BK), cyan (C), magenta (M), and yellow (Y). You only need to replace the color that runs out, eliminating waste and offering excellent cost performance. 【Wide Compatibility】Compatible with numerous EPSON printer models, especially suitable for professional and industrial printers. It's easy to confirm compatibility with your printer. 【Achieves High-Quality Printing】Special ink with high-purity dyes resists fading and enables clear, high-definition printing. Beautifully reproduces photos and important documents. 【Large Capacity Design for Excellent Cost Performance】Compared to standard cartridges, it has a larger ink capacity, increasing the number of printable pages per cartridge and contributing to reduced running costs. 【Stable Supply and Reliability】Designed for professional and industrial use, it boasts reliable quality and a stable supply. You can use it with confidence even in environments requiring large-volume printing. 【Easy-to-Use Packaging and Replacement】Individually packaged for cleanliness and convenient storage. Installation in the printer is easy, with a design that minimizes ink leakage, making maintenance simple. 【Compatible Models】EW-456A, EW-056A, etc.